{"id":30517,"date":"2025-07-05T09:04:57","date_gmt":"2025-07-05T02:04:57","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=30517"},"modified":"2025-07-05T14:25:42","modified_gmt":"2025-07-05T07:25:42","slug":"lap-trinh-bat-dong-bo-asynchronous","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/","title":{"rendered":"L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m, l\u1ee3i \u00edch &#038; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Lap-trinh-bat-dong-bo-la-gi\" >L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Tai-sao-can-lap-trinh-bat-dong-bo\" >T\u1ea1i sao c\u1ea7n l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Trai-nghiem-nguoi-dung-kem\" >Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng k\u00e9m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Hieu-suat-va-Kha-nang-mo-rong-han-che\" >Hi\u1ec7u su\u1ea5t v\u00e0 Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u1ea1n ch\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Tan-dung-tai-nguyen-hieu-qua\" >T\u1eadn d\u1ee5ng t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Xu-ly-tac-vu-khong-chan\" >X\u1eed l\u00fd t\u00e1c v\u1ee5 kh\u00f4ng ch\u1eb7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo\" >C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Lap-trinh-bat-dong-bo-hoat-dong-nhu-the-nao\" >L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo\" >\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Uu-diem\" >\u01afu \u0111i\u1ec3m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Nhuoc-diem\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Cac-ky-thuat-thuong-dung-trong-lap-trinh-bat-dong-bo\" >C\u00e1c k\u1ef9 thu\u1eadt th\u01b0\u1eddng d\u00f9ng trong l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Callback\" >Callback<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Promise\" >Promise<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#AsyncAwait\" >Async\/Await<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo\" >So s\u00e1nh l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9 (Synchronous) v\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Lap-trinh-bat-dong-bo-trong-cac-ngon-ngu-pho-bien\" >L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 trong c\u00e1c ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#JavaScript-NodejsBrowser\" >JavaScript (Node.js\/Browser)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Python\" >Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#C\" >C#<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo\" >Tr\u01b0\u1eddng h\u1ee3p n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Truong-hop-nen-su-dung-Asynchronous\" >Tr\u01b0\u1eddng h\u1ee3p n\u00ean s\u1eed d\u1ee5ng Asynchronous<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/#Truong-hop-khong-nen-su-dung-Asynchronous\" >Tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng Asynchronous<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Ng\u00e0y nay, t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a \u1ee9ng d\u1ee5ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 (Asynchronous Programming) n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a InterData s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, t\u1eeb kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u0111\u1ebfn c\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao, gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 n\u00e2ng t\u1ea7m ch\u1ea5t l\u01b0\u1ee3ng ph\u1ea7n m\u1ec1m.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lap-trinh-bat-dong-bo-la-gi\"><\/span>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong><a href=\"https:\/\/interdata.vn\/blog\/lap-trinh-bat-dong-bo-asynchronous\/\">L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/a> (Asynchronous Programming) <span>l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh cho ph\u00e9p ch\u01b0\u01a1ng tr\u00ecnh kh\u1edfi t\u1ea1o v\u00e0 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 m\u00e0 kh\u00f4ng c\u1ea7n ch\u1edd \u0111\u1ee3i t\u00e1c v\u1ee5 tr\u01b0\u1edbc \u0111\u00f3 ho\u00e0n th\u00e0nh<\/span><\/strong>; ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c trong khi ch\u1edd \u0111\u1ee3i k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/p>\n<p>Thay v\u00ec th\u1ef1c thi t\u1eebng d\u00f2ng l\u1ec7nh m\u1ed9t c\u00e1ch tu\u1ea7n t\u1ef1 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi, l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 cho ph\u00e9p m\u1ed9t t\u00e1c v\u1ee5 \u0111\u01b0\u1ee3c &#8220;g\u1eedi \u0111i&#8221; v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c v\u1edbi c\u00e1c t\u00e1c v\u1ee5 kh\u00e1c.<\/p>\n<figure id=\"attachment_30564\" aria-describedby=\"caption-attachment-30564\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Lap-trinh-bat-dong-bo-la-gi-1.jpg\" alt=\"L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 g\u00ec?\" width=\"800\" height=\"500\" class=\"size-full wp-image-30564\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Lap-trinh-bat-dong-bo-la-gi-1.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Lap-trinh-bat-dong-bo-la-gi-1-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Lap-trinh-bat-dong-bo-la-gi-1-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Lap-trinh-bat-dong-bo-la-gi-1-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-30564\" class=\"wp-caption-text\">L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>\u0110\u1ec3 d\u1ec5 h\u00ecnh dung, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang g\u1ecdi \u0111i\u1ec7n tho\u1ea1i cho m\u1ed9t d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng.<\/p>\n<p>N\u1ebfu l\u00e0 \u0111\u1ed3ng b\u1ed9 (Synchronous), b\u1ea1n s\u1ebd g\u1ecdi, gi\u1eef m\u00e1y, v\u00e0 ch\u1edd \u0111\u1ee3i cho \u0111\u1ebfn khi c\u00f3 nh\u00e2n vi\u00ean tr\u1ea3 l\u1eddi v\u00e0 gi\u1ea3i quy\u1ebft xong v\u1ea5n \u0111\u1ec1 c\u1ee7a b\u1ea1n. Trong su\u1ed1t th\u1eddi gian ch\u1edd \u0111\u1ee3i \u0111\u00f3, b\u1ea1n kh\u00f4ng th\u1ec3 l\u00e0m b\u1ea5t k\u1ef3 vi\u1ec7c g\u00ec kh\u00e1c tr\u00ean \u0111i\u1ec7n tho\u1ea1i.<\/p>\n<p>C\u00f2n n\u1ebfu l\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9 (Asynchronous), b\u1ea1n s\u1ebd g\u1ecdi, \u0111\u1ec3 l\u1ea1i l\u1eddi nh\u1eafn ho\u1eb7c y\u00eau c\u1ea7u g\u1ecdi l\u1ea1i. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 g\u00e1c m\u00e1y v\u00e0 l\u00e0m vi\u1ec7c kh\u00e1c. Khi nh\u00e2n vi\u00ean c\u00f3 m\u1eb7t ho\u1eb7c \u0111\u00e3 gi\u1ea3i quy\u1ebft xong v\u1ea5n \u0111\u1ec1, h\u1ecd s\u1ebd g\u1ecdi l\u1ea1i cho b\u1ea1n. Trong kho\u1ea3ng th\u1eddi gian ch\u1edd \u0111\u1ee3i \u0111\u00f3, b\u1ea1n ho\u00e0n to\u00e0n t\u1ef1 do \u0111\u1ec3 l\u00e0m vi\u1ec7c kh\u00e1c.<\/p>\n<p>Trong l\u1eadp tr\u00ecnh, t\u00e1c v\u1ee5 &#8220;g\u1ecdi \u0111i\u1ec7n&#8221; th\u01b0\u1eddng l\u00e0 c\u00e1c thao t\u00e1c I\/O (Input\/Output) nh\u01b0 truy c\u1eadp m\u1ea1ng, \u0111\u1ecdc ghi \u0111\u0129a, hay t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u. Nh\u1eefng thao t\u00e1c n\u00e0y th\u01b0\u1eddng m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n so v\u1edbi c\u00e1c ph\u00e9p t\u00ednh to\u00e1n th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tai-sao-can-lap-trinh-bat-dong-bo\"><\/span>T\u1ea1i sao c\u1ea7n l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nhu c\u1ea7u v\u1ec1 l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng h\u1ea1n ch\u1ebf c\u1ed1 h\u1eefu c\u1ee7a m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9 truy\u1ec1n th\u1ed1ng, \u0111\u1eb7c bi\u1ec7t trong b\u1ed1i c\u1ea3nh c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Trai-nghiem-nguoi-dung-kem\"><\/span>Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng k\u00e9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) nh\u01b0 \u1ee9ng d\u1ee5ng web ho\u1eb7c di \u0111\u1ed9ng, n\u1ebfu m\u1ed9t t\u00e1c v\u1ee5 t\u1ed1n th\u1eddi gian (v\u00ed d\u1ee5: t\u1ea3i \u1ea3nh l\u1edbn) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng b\u1ed9, giao di\u1ec7n s\u1ebd b\u1ecb &#8220;\u0111\u00f3ng b\u0103ng&#8221; ho\u1eb7c kh\u00f4ng ph\u1ea3n h\u1ed3i <strong>g\u00e2y kh\u00f3 ch\u1ecbu t\u1ed9t \u0111\u1ed9 cho ng\u01b0\u1eddi d\u00f9ng<\/strong>.<\/p>\n<p>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 gi\u00fap UI lu\u00f4n m\u01b0\u1ee3t m\u00e0, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ti\u1ebfp t\u1ee5c t\u01b0\u01a1ng t\u00e1c trong khi c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng \u0111ang ch\u1ea1y ng\u1ea7m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hieu-suat-va-Kha-nang-mo-rong-han-che\"><\/span>Hi\u1ec7u su\u1ea5t v\u00e0 Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u1ea1n ch\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ph\u00eda m\u00e1y ch\u1ee7 (backend) x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1ed3ng th\u1eddi, m\u00f4 h\u00ecnh \u0111\u1ed3ng b\u1ed9 s\u1ebd khi\u1ebfn m\u1ed7i y\u00eau c\u1ea7u ph\u1ea3i ch\u1edd \u0111\u1ebfn l\u01b0\u1ee3t, khi s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u t\u0103ng l\u00ean, hi\u1ec7u su\u1ea5t gi\u1ea3m \u0111\u00e1ng k\u1ec3 do t\u00e0i nguy\u00ean b\u1ecb chi\u1ebfm gi\u1eef trong khi ch\u1edd \u0111\u1ee3i I\/O.<\/p>\n<p>Asynchronous Programming cho ph\u00e9p m\u00e1y ch\u1ee7 <strong>x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u h\u01a1n trong c\u00f9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian<\/strong>, t\u0103ng th\u00f4ng l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng c\u1ea7n t\u0103ng th\u00eam t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng m\u1ed9t c\u00e1ch tuy\u1ebfn t\u00ednh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tan-dung-tai-nguyen-hieu-qua\"><\/span>T\u1eadn d\u1ee5ng t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CPU th\u01b0\u1eddng ph\u1ea3i ch\u1edd \u0111\u1ee3i khi c\u00e1c t\u00e1c v\u1ee5 I\/O di\u1ec5n ra. V\u1edbi l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, trong khi ch\u1edd m\u1ed9t t\u00e1c v\u1ee5 I\/O ho\u00e0n t\u1ea5t, CPU c\u00f3 th\u1ec3 chuy\u1ec3n sang x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1eadn d\u1ee5ng t\u1ed1i \u0111a th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CPU, gi\u1ea3m thi\u1ec3u th\u1eddi gian nh\u00e0n r\u1ed7i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xu-ly-tac-vu-khong-chan\"><\/span>X\u1eed l\u00fd t\u00e1c v\u1ee5 kh\u00f4ng ch\u1eb7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 cho ph\u00e9p m\u1ed9t lu\u1ed3ng (thread) <strong>x\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 m\u00e0 kh\u00f4ng b\u1ecb ch\u1eb7n<\/strong>. Thay v\u00ec m\u1ed7i t\u00e1c v\u1ee5 chi\u1ebfm gi\u1eef m\u1ed9t lu\u1ed3ng ri\u00eang bi\u1ec7t trong to\u00e0n b\u1ed9 th\u1eddi gian th\u1ef1c thi (k\u1ec3 c\u1ea3 th\u1eddi gian ch\u1edd I\/O), m\u1ed9t lu\u1ed3ng c\u00f3 th\u1ec3 lu\u00e2n phi\u00ean x\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 kh\u00e1c nhau khi ch\u00fang s\u1eb5n s\u00e0ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo\"><\/span>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, ch\u00fang ta c\u1ea7n n\u1eafm r\u00f5 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a n\u00f3:<\/p>\n<ul>\n<li><strong>Kh\u00f4ng ch\u1eb7n (Non-blocking)<\/strong>: \u0110\u00e2y l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t. Khi m\u1ed9t t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o, lu\u1ed3ng ch\u00ednh kh\u00f4ng b\u1ecb ch\u1eb7n l\u1ea1i \u0111\u1ec3 ch\u1edd n\u00f3 ho\u00e0n th\u00e0nh. Thay v\u00e0o \u0111\u00f3, lu\u1ed3ng ch\u00ednh ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c. Khi t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 k\u1ebft th\u00fac, n\u00f3 s\u1ebd th\u00f4ng b\u00e1o cho lu\u1ed3ng ch\u00ednh \u0111\u1ec3 x\u1eed l\u00fd k\u1ebft qu\u1ea3.<\/li>\n<li><strong>Phi tu\u1ea7n t\u1ef1 (Non-sequential Execution)<\/strong>: C\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ho\u00e0n th\u00e0nh theo th\u1ee9 t\u1ef1 ch\u00fang \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u. M\u1ed9t t\u00e1c v\u1ee5 \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o sau c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh tr\u01b0\u1edbc m\u1ed9t t\u00e1c v\u1ee5 \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o tr\u01b0\u1edbc \u0111\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1ch qu\u1ea3n l\u00fd lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 tr\u1ea1ng th\u00e1i ph\u1ee9c t\u1ea1p h\u01a1n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u01a1 ch\u1ebf ch\u1edd (Waiting Mechanisms)<\/strong>: \u0110\u1ec3 bi\u1ebft khi n\u00e0o m\u1ed9t t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u00e0n th\u00e0nh, c\u00e1c c\u01a1 ch\u1ebf nh\u01b0 <code>callback<\/code>, <code>Promise<\/code>, ho\u1eb7c <code>async\/await<\/code> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u00fang gi\u00fap \u0111\u1ecbnh ngh\u0129a h\u00e0nh vi sau khi t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 k\u1ebft th\u00fac ho\u1eb7c g\u1eb7p l\u1ed7i.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i (Responsiveness)<\/strong>: Nh\u1edd \u0111\u1eb7c t\u00ednh kh\u00f4ng ch\u1eb7n, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i li\u00ean t\u1ee5c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng &#8220;\u0111\u1ee9ng h\u00ecnh&#8221; khi x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng.<\/li>\n<li><strong>Kh\u00f3 Debug h\u01a1n<\/strong>: Do lu\u1ed3ng th\u1ef1c thi kh\u00f4ng tu\u1ea7n t\u1ef1, vi\u1ec7c theo d\u00f5i v\u00e0 g\u1ee1 l\u1ed7i (debugging) c\u00e1c v\u1ea5n \u0111\u1ec1 trong m\u00e3 b\u1ea5t \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi m\u00e3 \u0111\u1ed3ng b\u1ed9. C\u00e1c l\u1ed7i nh\u01b0 <code>race conditions<\/code> (tr\u1ea1ng th\u00e1i ch\u1ea1y \u0111ua) ho\u1eb7c <code>deadlock<\/code> (t\u1eafc ngh\u1ebdn) c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n v\u00e0 kh\u00f3 ph\u00e1t hi\u1ec7n.<\/li>\n<\/ul>\n<figure id=\"attachment_30565\" aria-describedby=\"caption-attachment-30565\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo.jpg\" alt=\"C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9\" width=\"800\" height=\"500\" class=\"size-full wp-image-30565\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Cac-dac-diem-chinh-cua-lap-trinh-bat-dong-bo-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-30565\" class=\"wp-caption-text\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Lap-trinh-bat-dong-bo-hoat-dong-nhu-the-nao\"><\/span>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 JavaScript, l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 d\u1ef1a v\u00e0o c\u01a1 ch\u1ebf v\u00f2ng l\u1eb7p s\u1ef1 ki\u1ec7n (event loop), gi\u00fap theo d\u00f5i v\u00e0 x\u1eed l\u00fd c\u00e1c callback ho\u1eb7c Promise khi c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u00e0n th\u00e0nh. Promise l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ea1i di\u1ec7n cho k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9, c\u00f2n v\u00f2ng l\u1eb7p s\u1ef1 ki\u1ec7n ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e2n ph\u1ed1i c\u00e1c callback t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>L\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a v\u00f2ng l\u1eb7p s\u1ef1 ki\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t callback, cho ph\u00e9p v\u00f2ng l\u1eb7p s\u1ef1 ki\u1ec7n cung c\u1ea5p th\u00f4ng tin t\u1eeb ch\u01b0\u01a1ng tr\u00ecnh cho m\u1ed9t ph\u1ea7n m\u00e3 kh\u00e1c, th\u01b0\u1eddng l\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n<p>Trong th\u1eddi gian \u0111\u00f3, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 kh\u00e1c trong khi b\u1ea1n \u0111ang ch\u1edd \u0111\u1ee3i k\u1ebft qu\u1ea3 t\u1eeb ch\u01b0\u01a1ng tr\u00ecnh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c t\u00e1c v\u1ee5 t\u1ed1n k\u00e9m v\u1ec1 m\u1eb7t t\u00e0i nguy\u00ean c\u00f3 th\u1ec3 ch\u1ea1y m\u00e0 kh\u00f4ng khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i ch\u1edd \u0111\u1ee3i \u0111\u1ebfn khi ho\u00e0n th\u00e0nh.<\/p>\n<p>Await l\u00e0 m\u1ed9t t\u1eeb kh\u00f3a trong nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh hi\u1ec7n \u0111\u1ea1i, cho ph\u00e9p t\u1ea1m d\u1eebng th\u1ef1c thi b\u00ean trong m\u1ed9t h\u00e0m b\u1ea5t \u0111\u1ed3ng b\u1ed9 (async function) cho \u0111\u1ebfn khi t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u00e0n th\u00e0nh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo\"><\/span>\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ecdi m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, v\u00e0 Asynchronous Programming c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Asynchronous Programming l\u00e0 g\u00ec s\u1ebd gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ph\u00f9 h\u1ee3p khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uu-diem\"><\/span>\u01afu \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 th\u00f4ng l\u01b0\u1ee3ng<\/strong>: B\u1eb1ng c\u00e1ch kh\u00f4ng ch\u1eb7n lu\u1ed3ng ch\u00ednh, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u ho\u1eb7c t\u00e1c v\u1ee5 h\u01a1n trong c\u00f9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng I\/O-bound (ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c thao t\u00e1c Input\/Output nh\u01b0 m\u1ea1ng, \u0111\u0129a).<\/li>\n<li><strong>N\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/strong>: Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng lu\u00f4n m\u01b0\u1ee3t m\u00e0 v\u00e0 ph\u1ea3n h\u1ed3i nhanh, kh\u00f4ng b\u1ecb \u0111\u00f3ng b\u0103ng khi c\u00e1c t\u00e1c v\u1ee5 n\u1ec1n \u0111ang ch\u1ea1y. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t tr\u1ea3i nghi\u1ec7m t\u00edch c\u1ef1c v\u00e0 chuy\u00ean nghi\u1ec7p h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/li>\n<li><strong>T\u1eadn d\u1ee5ng t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n<\/strong>: CPU v\u00e0 c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n, gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1edd \u0111\u1ee3i kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng hi\u1ec7n c\u00f3.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao<\/strong>: C\u00e1c \u1ee9ng d\u1ee5ng b\u1ea5t \u0111\u1ed3ng b\u1ed9 th\u01b0\u1eddng d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng l\u1edbn y\u00eau c\u1ea7u, v\u00ec m\u1ed7i y\u00eau c\u1ea7u kh\u00f4ng chi\u1ebfm gi\u1eef m\u1ed9t lu\u1ed3ng li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n<figure id=\"attachment_30566\" aria-describedby=\"caption-attachment-30566\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo.jpg\" alt=\"\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9\" width=\"800\" height=\"500\" class=\"size-full wp-image-30566\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Uu-nhuoc-diem-cua-lap-trinh-bat-dong-bo-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-30566\" class=\"wp-caption-text\">\u01afu, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Nhuoc-diem\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00e3 t\u0103ng l\u00ean<\/strong>: Vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 kh\u00f4ng \u0111\u1ed3ng b\u1ed9, x\u1eed l\u00fd l\u1ed7i v\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n nhi\u1ec1u so v\u1edbi l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9. C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 &#8220;callback hell&#8221; ho\u1eb7c &#8220;Promise hell&#8221; c\u00f3 th\u1ec3 ph\u00e1t sinh n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ed1t.<\/li>\n<li><strong>Kh\u00f3 Debugging<\/strong>: Do lu\u1ed3ng th\u1ef1c thi phi tu\u1ea7n t\u1ef1, vi\u1ec7c theo d\u00f5i lu\u1ed3ng ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n l\u1ed7i c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n h\u01a1n. C\u00e1c c\u00f4ng c\u1ee5 g\u1ee1 l\u1ed7i \u0111\u00f4i khi kh\u00f4ng h\u1ed7 tr\u1ee3 t\u1ed1t cho vi\u1ec7c nh\u1ea3y gi\u1eefa c\u00e1c ng\u1eef c\u1ea3nh b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i v\u00e0 d\u1eef li\u1ec7u<\/strong>: \u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1eef li\u1ec7u khi nhi\u1ec1u t\u00e1c v\u1ee5 ch\u1ea1y song song v\u00e0 c\u00f3 th\u1ec3 truy c\u1eadp c\u00f9ng m\u1ed9t t\u00e0i nguy\u00ean l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c. C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 <code>race conditions<\/code> c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ea9n th\u1eadn.<\/li>\n<li><strong>Overhead nh\u1ea5t \u0111\u1ecbnh<\/strong>: M\u1eb7c d\u00f9 t\u0103ng hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3, vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c c\u01a1 ch\u1ebf b\u1ea5t \u0111\u1ed3ng b\u1ed9 (nh\u01b0 t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd <code>Promise<\/code>, <code>Task<\/code> ho\u1eb7c <code>Coroutine<\/code>) c\u0169ng c\u00f3 m\u1ed9t chi ph\u00ed nh\u1ecf v\u1ec1 t\u00e0i nguy\u00ean v\u00e0 th\u1eddi gian.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac-ky-thuat-thuong-dung-trong-lap-trinh-bat-dong-bo\"><\/span>C\u00e1c k\u1ef9 thu\u1eadt th\u01b0\u1eddng d\u00f9ng trong l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec7n th\u1ef1c h\u00f3a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, c\u00e1c ng\u00f4n ng\u1eef \u0111\u00e3 ph\u00e1t tri\u1ec3n nhi\u1ec1u k\u1ef9 thu\u1eadt v\u00e0 m\u00f4 h\u00ecnh kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Callback\"><\/span>Callback<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Callback<\/strong> l\u00e0 m\u1ed9t h\u00e0m \u0111\u01b0\u1ee3c truy\u1ec1n d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed1i s\u1ed1 cho m\u1ed9t h\u00e0m kh\u00e1c, v\u00e0 h\u00e0m n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u1ea1i (th\u1ef1c thi) khi t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 ho\u00e0n th\u00e0nh. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt \u0111\u01a1n gi\u1ea3n v\u00e0 c\u1ed5 \u0111i\u1ec3n nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/p>\n<ul>\n<li><strong>C\u1ea5u tr\u00fac<\/strong>: H\u00e0m th\u1ef1c hi\u1ec7n t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 s\u1ebd nh\u1eadn m\u1ed9t h\u00e0m callback. Khi t\u00e1c v\u1ee5 k\u1ebft th\u00fac (th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i), n\u00f3 s\u1ebd g\u1ecdi h\u00e0m callback \u0111\u00f3, truy\u1ec1n v\u00e0o k\u1ebft qu\u1ea3 ho\u1eb7c th\u00f4ng b\u00e1o l\u1ed7i.<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m<\/strong>: D\u1ec5 hi\u1ec3u v\u1edbi c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>: Khi c\u00f3 nhi\u1ec1u t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u1ed3ng nhau, m\u00e3 ngu\u1ed3n c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecdc, kh\u00f3 b\u1ea3o tr\u00ec, t\u1ea1o ra c\u00e1i g\u1ecdi l\u00e0 &#8220;<strong>Callback Hell<\/strong>&#8221; (ho\u1eb7c Pyramid of Doom). \u0110i\u1ec1u n\u00e0y g\u00e2y ra kh\u00f3 kh\u0103n trong vi\u1ec7c qu\u1ea3n l\u00fd l\u1ed7i v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Promise\"><\/span>Promise<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Promise<\/strong> (L\u1eddi h\u1ee9a) l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c ho\u00e0n th\u00e0nh (ho\u1eb7c th\u1ea5t b\u1ea1i) c\u1ee7a m\u1ed9t t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 v\u00e0 gi\u00e1 tr\u1ecb k\u1ebft qu\u1ea3 c\u1ee7a n\u00f3 trong t\u01b0\u01a1ng lai. Promise gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 &#8220;Callback Hell&#8221; b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u1ed9t c\u00e1ch c\u1ea5u tr\u00fac h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd chu\u1ed7i c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/p>\n<ul>\n<li><strong>C\u1ea5u tr\u00fac<\/strong>: M\u1ed9t Promise c\u00f3 ba tr\u1ea1ng th\u00e1i: <code>pending<\/code> (\u0111ang ch\u1edd), <code>fulfilled<\/code> (ho\u00e0n th\u00e0nh th\u00e0nh c\u00f4ng), v\u00e0 <code>rejected<\/code> (th\u1ea5t b\u1ea1i). B\u1ea1n c\u00f3 th\u1ec3 \u0111\u00ednh k\u00e8m c\u00e1c h\u00e0m x\u1eed l\u00fd (<code>.then()<\/code>, <code>.catch()<\/code>, <code>.finally()<\/code>) \u0111\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i n\u00e0y.<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m<\/strong>: Gi\u00fap m\u00e3 d\u1ec5 \u0111\u1ecdc v\u00e0 qu\u1ea3n l\u00fd h\u01a1n so v\u1edbi callback l\u1ed3ng nhau. C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng x\u1eed l\u00fd l\u1ed7i t\u1eadp trung.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>: V\u1eabn c\u00f3 th\u1ec3 t\u1ea1o ra &#8220;Promise Hell&#8221; n\u1ebfu l\u1ea1m d\u1ee5ng vi\u1ec7c <code>.then().then().then()<\/code> qu\u00e1 nhi\u1ec1u v\u00e0 kh\u00f4ng c\u1ea5u tr\u00fac h\u1ee3p l\u00fd.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"AsyncAwait\"><\/span>Async\/Await<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Async\/Await<\/strong> l\u00e0 c\u00fa ph\u00e1p hi\u1ec7n \u0111\u1ea1i v\u00e0 m\u1ea1nh m\u1ebd nh\u1ea5t \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn trong JavaScript (ES8+), Python (t\u1eeb 3.5), C#, v\u00e0 nhi\u1ec1u ng\u00f4n ng\u1eef kh\u00e1c.<\/p>\n<p>Async\/Await \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a Promise (ho\u1eb7c c\u00e1c c\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Coroutine\/Task trong c\u00e1c ng\u00f4n ng\u1eef kh\u00e1c) v\u00e0 cho ph\u00e9p b\u1ea1n vi\u1ebft m\u00e3 b\u1ea5t \u0111\u1ed3ng b\u1ed9 tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e3 \u0111\u1ed3ng b\u1ed9.<\/p>\n<ul>\n<li><strong>C\u1ea5u tr\u00fac<\/strong>: H\u00e0m \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1eb1ng t\u1eeb kh\u00f3a <code>async<\/code> s\u1ebd lu\u00f4n tr\u1ea3 v\u1ec1 m\u1ed9t <code>Promise<\/code>. T\u1eeb kh\u00f3a <code>await<\/code> ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean trong m\u1ed9t h\u00e0m <code>async<\/code>. N\u00f3 s\u1ebd &#8220;t\u1ea1m d\u1eebng&#8221; vi\u1ec7c th\u1ef1c thi c\u1ee7a h\u00e0m <code>async<\/code> cho \u0111\u1ebfn khi <code>Promise<\/code> m\u00e0 n\u00f3 \u0111ang ch\u1edd \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft (fulfilled ho\u1eb7c rejected).<\/li>\n<li><strong>\u01afu \u0111i\u1ec3m<\/strong>: M\u00e3 ngu\u1ed3n c\u1ef1c k\u1ef3 r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc, v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec, tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u00e3 \u0111\u1ed3ng b\u1ed9 tuy\u1ebfn t\u00ednh. Gi\u00fap tr\u00e1nh &#8220;Callback Hell&#8221; v\u00e0 &#8220;Promise Hell&#8221; m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>: V\u1eabn c\u1ea7n hi\u1ec3u c\u01a1 b\u1ea3n v\u1ec1 Promise \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c tr\u01b0\u1eddng h\u1ee3p ph\u1ee9c t\u1ea1p h\u01a1n. Kh\u00f4ng x\u1eed l\u00fd l\u1ed7i t\u1ef1 \u0111\u1ed9ng m\u00e0 c\u1ea7n <code>try...catch<\/code> nh\u01b0 m\u00e3 \u0111\u1ed3ng b\u1ed9.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo\"><\/span>So s\u00e1nh l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9 (Synchronous) v\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 c\u1ee7ng c\u1ed1 s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 l\u1eadp tr\u00ecnh kh\u00f4ng \u0111\u1ed3ng b\u1ed9, h\u00e3y c\u00f9ng so s\u00e1nh chi ti\u1ebft hai m\u00f4 h\u00ecnh l\u1eadp tr\u00ecnh n\u00e0y qua b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif;\">\n<thead>\n<tr>\n<th style=\"background-color: #0d6efd; color: white; padding: 12px; text-align: center;\"><strong>Ti\u00eau ch\u00ed<\/strong><\/th>\n<th style=\"background-color: #0d6efd; color: white; padding: 12px; text-align: center;\"><strong>Synchronous (\u0110\u1ed3ng b\u1ed9)<\/strong><\/th>\n<th style=\"background-color: #0d6efd; color: white; padding: 12px; text-align: center;\"><strong>Asynchronous (B\u1ea5t \u0111\u1ed3ng b\u1ed9)<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Lu\u1ed3ng th\u1ef1c thi<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Tu\u1ea7n t\u1ef1, theo th\u1ee9 t\u1ef1 t\u1eebng d\u00f2ng l\u1ec7nh m\u1ed9t.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Kh\u00f4ng tu\u1ea7n t\u1ef1, c\u00e1c t\u00e1c v\u1ee5 c\u00f3 th\u1ec3 ch\u1ea1y song song ho\u1eb7c ch\u1ed3ng l\u1ea5n.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">H\u00e0nh vi ch\u1eb7n<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">B\u1ecb ch\u1eb7n (blocking). Lu\u1ed3ng ch\u00ednh ph\u1ea3i ch\u1edd t\u00e1c v\u1ee5 ho\u00e0n th\u00e0nh.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Kh\u00f4ng ch\u1eb7n (non-blocking). Lu\u1ed3ng ch\u00ednh ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c kh\u00e1c.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Hi\u1ec7u su\u1ea5t<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Th\u01b0\u1eddng k\u00e9m h\u01a1n cho c\u00e1c t\u00e1c v\u1ee5 I\/O-bound.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Cao h\u01a1n cho c\u00e1c t\u00e1c v\u1ee5 I\/O-bound, t\u1eadn d\u1ee5ng t\u00e0i nguy\u00ean t\u1ed1t.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Giao di\u1ec7n c\u00f3 th\u1ec3 b\u1ecb treo, kh\u00f4ng ph\u1ea3n h\u1ed3i.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Giao di\u1ec7n lu\u00f4n m\u01b0\u1ee3t m\u00e0, ph\u1ea3n h\u1ed3i t\u1ed1t.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p m\u00e3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u0110\u01a1n gi\u1ea3n, d\u1ec5 \u0111\u1ecdc, d\u1ec5 debug.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Ph\u1ee9c t\u1ea1p h\u01a1n, c\u1ea7n qu\u1ea3n l\u00fd callback, Promise, async\/await.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">H\u1ea1n ch\u1ebf, c\u1ea7n nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd song song.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Cao, c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u v\u1edbi \u00edt t\u00e0i nguy\u00ean h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">X\u1eed l\u00fd l\u1ed7i<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u0110\u01a1n gi\u1ea3n v\u1edbi try-catch truy\u1ec1n th\u1ed1ng.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Ph\u1ee9c t\u1ea1p h\u01a1n, c\u1ea7n x\u1eed l\u00fd l\u1ed7i trong c\u00e1c chu\u1ed7i b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">C\u00e1c v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">T\u00ednh to\u00e1n c\u1ee5c b\u1ed9 CPU-bound.<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">G\u1ecdi API, truy v\u1ea5n DB, \u0111\u1ecdc\/ghi file, x\u1eed l\u00fd s\u1ef1 ki\u1ec7n UI.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure id=\"attachment_30569\" aria-describedby=\"caption-attachment-30569\" style=\"width: 868px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo.webp\" alt=\"So s\u00e1nh l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9 (Synchronous) v\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9\" width=\"868\" height=\"801\" class=\"size-full wp-image-30569\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo.webp 868w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo-300x277.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo-768x709.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/So-sanh-lap-trinh-dong-bo-Synchronous-va-bat-dong-bo-750x692.webp 750w\" sizes=\"auto, (max-width: 868px) 100vw, 868px\" \/><figcaption id=\"caption-attachment-30569\" class=\"wp-caption-text\">So s\u00e1nh l\u1eadp tr\u00ecnh \u0111\u1ed3ng b\u1ed9 (Synchronous) v\u00e0 b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Lap-trinh-bat-dong-bo-trong-cac-ngon-ngu-pho-bien\"><\/span>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 trong c\u00e1c ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed7i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u00f3 c\u00e1ch tri\u1ec3n khai v\u00e0 c\u00fa ph\u00e1p ri\u00eang cho l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch m\u00e0 m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef ph\u1ed5 bi\u1ebfn hi\u1ec7n th\u1ef1c h\u00f3a \u0111i\u1ec1u n\u00e0y:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"JavaScript-NodejsBrowser\"><\/span>JavaScript (Node.js\/Browser)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>JavaScript l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef ti\u00ean phong trong vi\u1ec7c ph\u1ed5 bi\u1ebfn m\u00f4 h\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, \u0111\u1eb7c bi\u1ec7t do t\u00ednh ch\u1ea5t \u0111\u01a1n lu\u1ed3ng c\u1ee7a n\u00f3.<\/p>\n<ul>\n<li><strong>Callback<\/strong>: K\u1ef9 thu\u1eadt ban \u0111\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, v\u00ed d\u1ee5 nh\u01b0 trong c\u00e1c s\u1ef1 ki\u1ec7n DOM hay API b\u1ea5t \u0111\u1ed3ng b\u1ed9 c\u0169.<\/li>\n<li><strong>Promise<\/strong>: \u0110\u01b0\u1ee3c gi\u1edbi thi\u1ec7u trong ES6, Promise cung c\u1ea5p m\u1ed9t c\u00e1ch c\u1ea5u tr\u00fac h\u01a1n \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9. R\u1ea5t nhi\u1ec1u th\u01b0 vi\u1ec7n v\u00e0 API hi\u1ec7n \u0111\u1ea1i c\u1ee7a JavaScript s\u1eed d\u1ee5ng Promise.<\/li>\n<li><strong>Async\/Await<\/strong>: K\u1ec3 t\u1eeb ES8, <code>async\/await<\/code> \u0111\u00e3 tr\u1edf th\u00e0nh c\u00e1ch \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t \u0111\u1ec3 vi\u1ebft m\u00e3 b\u1ea5t \u0111\u1ed3ng b\u1ed9 trong JavaScript. N\u00f3 gi\u00fap m\u00e3 r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 \u0111\u1ecdc nh\u01b0 m\u00e3 \u0111\u1ed3ng b\u1ed9, \u0111\u1ed3ng th\u1eddi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ea5t b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Python\"><\/span>Python<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Python \u0111\u00e3 t\u00edch h\u1ee3p l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 m\u1ed9t c\u00e1ch m\u1ea1nh m\u1ebd th\u00f4ng qua th\u01b0 vi\u1ec7n <code>asyncio<\/code> v\u00e0 c\u00fa ph\u00e1p <code>async\/await<\/code> k\u1ec3 t\u1eeb phi\u00ean b\u1ea3n 3.5.<\/p>\n<ul>\n<li><strong>Asyncio<\/strong>: L\u00e0 m\u1ed9t framework cho l\u1eadp tr\u00ecnh I\/O b\u1ea5t \u0111\u1ed3ng b\u1ed9, m\u1ea1ng \u0111\u1ed3ng th\u1eddi, v\u00e0 code li\u00ean quan \u0111\u1ebfn ch\u1ea1y h\u1ee3p t\u00e1c (cooperative multitasking) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00fa ph\u00e1p <code>async\/await<\/code>.<\/li>\n<li><strong>Async\/Await<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 JavaScript, Python s\u1eed d\u1ee5ng <code>async<\/code> \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t coroutine (m\u1ed9t h\u00e0m b\u1ea5t \u0111\u1ed3ng b\u1ed9) v\u00e0 <code>await<\/code> \u0111\u1ec3 ch\u1edd m\u1ed9t coroutine kh\u00e1c ho\u00e0n th\u00e0nh.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"C\"><\/span>C#<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C# \u0111\u00e3 t\u00edch h\u1ee3p <code>async\/await<\/code> t\u1eeb .NET Framework 4.5, bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9.<\/p>\n<ul>\n<li><strong>Task Parallel Library (TPL)<\/strong>: Cung c\u1ea5p c\u00e1c l\u1edbp nh\u01b0 <code>Task<\/code> v\u00e0 <code>Task<tresult><\/tresult><\/code> \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t \u0111\u1ed3ng b\u1ed9. <code>async\/await<\/code> \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng <code>Task<\/code>.<\/li>\n<li><strong>Async\/Await<\/strong>: Cho ph\u00e9p b\u1ea1n vi\u1ebft m\u00e3 b\u1ea5t \u0111\u1ed3ng b\u1ed9 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng GUI (Windows Forms, WPF, UWP) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng web (ASP.NET Core).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo\"><\/span>Tr\u01b0\u1eddng h\u1ee3p n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t. Vi\u1ec7c hi\u1ec3u r\u00f5 khi n\u00e0o n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng n\u00f3 s\u1ebd gi\u00fap b\u1ea1n thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Truong-hop-nen-su-dung-Asynchronous\"><\/span>Tr\u01b0\u1eddng h\u1ee3p n\u00ean s\u1eed d\u1ee5ng Asynchronous<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>C\u00e1c thao t\u00e1c I\/O-bound (Input\/Output bound)<\/strong>: \u0110\u00e2y l\u00e0 c\u00e1c t\u00e1c v\u1ee5 m\u00e0 th\u1eddi gian th\u1ef1c thi ch\u1ee7 y\u1ebfu l\u00e0 ch\u1edd \u0111\u1ee3i d\u1eef li\u1ec7u t\u1eeb m\u1ed9t ngu\u1ed3n b\u00ean ngo\u00e0i.<\/p>\n<ul>\n<li><strong>Truy c\u1eadp m\u1ea1ng<\/strong>: G\u1ecdi API, t\u1ea3i d\u1eef li\u1ec7u t\u1eeb internet, g\u1eedi\/nh\u1eadn email.<\/li>\n<li><strong>Thao t\u00e1c v\u1edbi t\u1ec7p (File I\/O)<\/strong>: \u0110\u1ecdc ho\u1eb7c ghi c\u00e1c t\u1ec7p l\u1edbn tr\u00ean \u0111\u0129a c\u1ee9ng.<\/li>\n<li><strong>Truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/strong>: Th\u1ef1c hi\u1ec7n c\u00e1c truy v\u1ea5n SQL, thao t\u00e1c v\u1edbi CSDL.<\/li>\n<li><strong>T\u01b0\u01a1ng t\u00e1c v\u1edbi ph\u1ea7n c\u1ee9ng b\u00ean ngo\u00e0i<\/strong>: Giao ti\u1ebfp v\u1edbi thi\u1ebft b\u1ecb ngo\u1ea1i vi.<\/li>\n<\/ul>\n<p><strong>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI)<\/strong>: Trong c\u00e1c \u1ee9ng d\u1ee5ng GUI (Desktop, Web, Mobile), s\u1eed d\u1ee5ng b\u1ea5t \u0111\u1ed3ng b\u1ed9 gi\u00fap UI kh\u00f4ng b\u1ecb treo khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c n\u1eb7ng.<\/p>\n<p><strong>X\u00e2y d\u1ef1ng API ho\u1eb7c Backend hi\u1ec7u su\u1ea5t cao<\/strong>: \u0110\u1ec3 server c\u00f3 th\u1ec3 x\u1eed l\u00fd h\u00e0ng ng\u00e0n request \u0111\u1ed3ng th\u1eddi m\u00e0 kh\u00f4ng b\u1ecb t\u1eafc ngh\u1ebdn, vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea5t \u0111\u1ed3ng b\u1ed9 cho c\u00e1c thao t\u00e1c m\u1ea1ng ho\u1eb7c CSDL l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng.<\/p>\n<p><strong>X\u1eed l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 \u0111\u1ed9c l\u1eadp c\u00f9ng l\u00fac<\/strong>: Khi b\u1ea1n c\u00f3 nhi\u1ec1u t\u00e1c v\u1ee5 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o nhau v\u00e0 c\u00f3 th\u1ec3 ch\u1ea1y song song \u0111\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian t\u1ed5ng th\u1ec3.<\/p>\n<figure id=\"attachment_30567\" aria-describedby=\"caption-attachment-30567\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo.jpg\" alt=\"Tr\u01b0\u1eddng h\u1ee3p n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9\" width=\"800\" height=\"500\" class=\"size-full wp-image-30567\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/06\/Truong-hop-nen-va-khong-nen-su-dung-lap-trinh-bat-dong-bo-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-30567\" class=\"wp-caption-text\">Tr\u01b0\u1eddng h\u1ee3p n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Truong-hop-khong-nen-su-dung-Asynchronous\"><\/span>Tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng Asynchronous<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>C\u00e1c thao t\u00e1c CPU-bound (CPU-bound operations)<\/strong>: \u0110\u00e2y l\u00e0 c\u00e1c t\u00e1c v\u1ee5 m\u00e0 th\u1eddi gian th\u1ef1c thi ch\u1ee7 y\u1ebfu l\u00e0 do t\u00ednh to\u00e1n c\u1ee7a CPU, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1edd \u0111\u1ee3i.<\/p>\n<ul>\n<li><strong>Ph\u00e9p t\u00ednh to\u00e1n ph\u1ee9c t\u1ea1p<\/strong>: X\u1eed l\u00fd d\u1eef li\u1ec7u s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, m\u00e3 h\u00f3a\/gi\u1ea3i m\u00e3, n\u00e9n\/gi\u1ea3i n\u00e9n file.<\/li>\n<li><strong>Thu\u1eadt to\u00e1n n\u1eb7ng<\/strong>: X\u1eed l\u00fd h\u00ecnh \u1ea3nh, video, machine learning.<\/li>\n<li>S\u1eed d\u1ee5ng b\u1ea5t \u0111\u1ed3ng b\u1ed9 cho c\u00e1c t\u00e1c v\u1ee5 n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t, th\u1eadm ch\u00ed c\u00f2n th\u00eam chi ph\u00ed qu\u1ea3n l\u00fd c\u00e1c t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, <strong>\u0111a lu\u1ed3ng (multithreading)<\/strong> c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n, cho ph\u00e9p c\u00e1c t\u00e1c v\u1ee5 CPU-bound ch\u1ea1y song song tr\u00ean c\u00e1c l\u00f5i CPU kh\u00e1c nhau.<\/li>\n<\/ul>\n<p><strong>C\u00e1c t\u00e1c v\u1ee5 r\u1ea5t ng\u1eafn v\u00e0 \u0111\u01a1n gi\u1ea3n<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c thao t\u00e1c ch\u1ec9 m\u1ea5t v\u00e0i mili gi\u00e2y, chi ph\u00ed \u0111\u1ec3 thi\u1ebft l\u1eadp v\u00e0 qu\u1ea3n l\u00fd m\u1ed9t t\u00e1c v\u1ee5 b\u1ea5t \u0111\u1ed3ng b\u1ed9 (v\u00ed d\u1ee5: t\u1ea1o Promise, qu\u1ea3n l\u00fd Context Switching) c\u00f3 th\u1ec3 l\u1edbn h\u01a1n l\u1ee3i \u00edch mang l\u1ea1i.<\/p>\n<p><strong>Khi lu\u1ed3ng th\u1ef1c thi ph\u1ea3i tu\u1ea7n t\u1ef1 tuy\u1ec7t \u0111\u1ed1i<\/strong>: N\u1ebfu c\u00e1c t\u00e1c v\u1ee5 ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh theo m\u1ed9t tr\u00ecnh t\u1ef1 nghi\u00eam ng\u1eb7t v\u00e0 t\u00e1c v\u1ee5 sau ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o k\u1ebft qu\u1ea3 c\u1ee7a t\u00e1c v\u1ee5 tr\u01b0\u1edbc m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 kho\u1ea3ng ch\u1edd \u0111\u1ee3i I\/O n\u00e0o, vi\u1ec7c \u00e9p bu\u1ed9c b\u1ea5t \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 l\u00e0m ph\u1ee9c t\u1ea1p m\u00e3 m\u00e0 kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch.<\/p>\n<p>L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m xa l\u1ea1 m\u00e0 l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 l\u1eadp tr\u00ecnh vi\u00ean n\u00e0o mu\u1ed1n x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i, hi\u1ec7u su\u1ea5t cao. N\u1eafm v\u1eefng c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 <code>callback<\/code>, <code>Promise<\/code>, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 <code>async\/await<\/code> s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean, c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u1ea1nh m\u1ebd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y nay, t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a \u1ee9ng d\u1ee5ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. L\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9 (Asynchronous Programming) n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd. B\u00e0i vi\u1ebft n\u00e0y c\u1ee7a InterData s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 l\u1eadp tr\u00ecnh b\u1ea5t \u0111\u1ed3ng b\u1ed9, t\u1eeb<\/p>\n","protected":false},"author":11,"featured_media":30570,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[140],"tags":[],"class_list":["post-30517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lap-trinh"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/30517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=30517"}],"version-history":[{"count":5,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/30517\/revisions"}],"predecessor-version":[{"id":31451,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/30517\/revisions\/31451"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/30570"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=30517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=30517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=30517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}