{"id":1839,"date":"2022-05-10T04:33:38","date_gmt":"2022-05-10T04:33:38","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1839"},"modified":"2023-03-14T07:10:06","modified_gmt":"2023-03-14T07:10:06","slug":"anonymous-function-la-gi","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/","title":{"rendered":"Anonymous function l\u00e0 g\u00ec? C\u00e1ch d\u00f9ng\u00a0 h\u00e0m Anonymous function?"},"content":{"rendered":"\n<p>Ngh\u1ec1 IT, l\u1eadp tr\u00ecnh Backend, Coder l\u00e0 nh\u1eefng ngh\u1ec1 v\u1edbi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 l\u1eadp tr\u00ecnh. Nh\u1eefng ngh\u1ec1 n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u1ee7a ch\u00fang ta ph\u1ea3i th\u00e0nh th\u1ea1o ng\u00f4n ng\u1eef JavaScript.<\/p>\n\n\n\n<p>Trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh JavaScript c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i h\u00e0m nh\u01b0 tr\u00ean, m\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 Anonymous function. V\u1eady h\u00e0m <strong>Anonymous function l\u00e0 g\u00ec<\/strong> v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng? <strong><a href=\"https:\/\/topviecit.vn\/\">Topviecit.vn<\/a><\/strong> c\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/#Ham_Anonymous_function_la_gi\" title=\"H\u00e0m Anonymous function l\u00e0 g\u00ec?\">H\u00e0m Anonymous function 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:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/#Khi_nao_nen_su_dung_Anonymous_function\" title=\"Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Anonymous function?&nbsp;\">Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Anonymous function?&nbsp;<\/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:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/#Su_dung_ham_an_danh_lam_doi_so_tham_so_cua_ham_khac\" title=\"S\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh l\u00e0m \u0111\u1ed1i s\u1ed1, tham s\u1ed1 c\u1ee7a h\u00e0m kh\u00e1c\">S\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh l\u00e0m \u0111\u1ed1i s\u1ed1, tham s\u1ed1 c\u1ee7a h\u00e0m kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/anonymous-function-la-gi\/#Ham_tu_goi_ngay_lap_tuc\" title=\"H\u00e0m t\u1ef1 g\u1ecdi ngay l\u1eadp t\u1ee9c\">H\u00e0m t\u1ef1 g\u1ecdi ngay l\u1eadp t\u1ee9c<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ham_Anonymous_function_la_gi\"><\/span><strong>H\u00e0m Anonymous function l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Anonymous function l\u00e0 g\u00ec<\/strong>? Thay v\u00ec suy ngh\u0129 ph\u1ee9c t\u1ea1p h\u00e3y th\u1eed ph\u00e2n t\u00edch b\u1eb1ng c\u00e1ch c\u1eaft ngh\u0129a c\u1ee7a t\u1eeb:<br>Anonymous ngh\u0129a l\u00e0 \u1ea9n danh, function \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 h\u00e0m trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Javascript. T\u1eeb \u0111\u00f3 ta hi\u1ec3u Anonymous function l\u00e0 t\u00ean g\u1ecdi c\u1ee7a h\u00e0m \u1ea9n danh hay c\u00f2n g\u1ecdi l\u00e0 h\u00e0m kh\u00f4ng c\u00f3 t\u00ean. Trong bi\u1ec3u th\u1ee9c h\u00e0m b\u1ea1n b\u1ecf \u0111i ph\u1ea7n t\u00ean khi khai b\u00e1o v\u1eady l\u00e0 \u0111\u00e3 c\u00f3 h\u00e0m \u1ea9n danh.&nbsp;<\/p>\n\n\n\n<p>M\u1ed9t trong nh\u1eefng k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n trong ng\u00f4n ng\u1eef JavaScript \u0111\u00f2i h\u1ecfi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 tri\u1ec3n khai c\u00e1c h\u00e0m (hay c\u00f2n g\u1ecdi l\u00e0 function). N\u1ebfu nh\u01b0 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c c\u00f3 \u0111a d\u1ea1ng nhi\u1ec1u lo\u1ea1i h\u00e0m kh\u00e1c nhau th\u00ec c\u00e1c h\u00e0m trong JavaScript ch\u1ec9 xoay quanh c\u00e1c lo\u1ea1i h\u00e0m c\u01a1 b\u1ea3n v\u1eabn th\u01b0\u1eddng g\u1eb7p nh\u01b0: Arrow Function, Regular Function, Anonymous Function,&#8230;).<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/loss-function-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Loss Function L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u Chi Ti\u1ebft V\u1ec1 Loss Function<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/anonymous-function-la-gi-1.png\" alt=\"\u1ea8n danh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng c\u00f3 t\u00ean\" class=\"wp-image-1858\" title=\"\u1ea8n danh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng c\u00f3 t\u00ean\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/anonymous-function-la-gi-1.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/anonymous-function-la-gi-1-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/anonymous-function-la-gi-1-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>\u1ea8n danh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng c\u00f3 t\u00ean<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>B\u1ea1n kh\u00f4ng th\u1ec3 truy c\u1eadp l\u1ea7n \u0111\u1ea7u m\u1ed9t h\u00e0m \u1ea9n danh sau khi t\u1ea1o n\u00f3 \u0111i\u1ec1u n\u00e0y kh\u00e1c v\u1edbi th\u00f4ng th\u01b0\u1eddng khi b\u1ea1n khai b\u00e1o m\u1ed9t h\u00e0m kh\u00e1c. Khi b\u1ea1n khai b\u00e1o m\u1ed9t h\u00e0m, th\u00f4ng th\u01b0\u1eddng th\u00ec b\u1ea1n s\u1ebd g\u1ecdi \u0111\u01b0\u1ee3c h\u00e0m \u0111\u00f3 \u1edf v\u1ecb tr\u00ed tr\u00ean hay d\u01b0\u1edbi h\u00e0m \u0111\u1ec1u \u0111\u01b0\u1ee3c, v\u00ec h\u00e0m \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u00ecnh bi\u00ean d\u1ecbch l\u01b0u trong b\u1ed9 nh\u1edb. Kh\u00e1c v\u1edbi tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, h\u00e0m \u1ea9n danh \u0111\u01b0\u1ee3c sinh ra khi tr\u00ecnh bi\u00ean d\u1ecbch b\u1eaft \u0111\u1ea7u x\u1eed l\u00fd \u0111\u1ebfn v\u1ecb tr\u00ed c\u1ee7a n\u00f3. \u0110\u00f3 c\u0169ng l\u00e0 th\u1eddi \u0111i\u1ec3m ch\u1ea1y c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh.&nbsp;<\/p>\n\n\n\n<p>M\u1ed9t \u01b0u \u0111i\u1ec3m m\u00e0 h\u00e0m \u1ea9n danh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn l\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a h\u00e0m \u1ea9n danh v\u00e0o b\u1ea5t c\u1ee9 l\u00fac n\u00e0o. Khi \u0111\u00f3 h\u00e0m \u1ea9n danh \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t tham s\u1ed1 \u0111\u1ec3 g\u00e1n v\u1edbi m\u1ed9t bi\u1ebfn ho\u1eb7c g\u00e1n v\u00e0o h\u00e0m kh\u00e1c. C\u00e1c h\u00e0m \u1ea9n danh ch\u1ec9 hi\u1ec7u l\u1ef1c trong ph\u1ea1m vi c\u1ee7a bi\u1ebfn m\u00e0 n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a, trong tr\u01b0\u1eddng h\u1ee3p v\u01b0\u1ee3t ngo\u00e0i ph\u1ea1m vi bi\u1ebfn \u0111\u00f3 th\u00ec h\u00e0m n\u00e0y c\u0169ng kh\u00f4ng t\u1ed3n t\u1ea1i.&nbsp;<\/p>\n\n\n\n<p>V\u1eady, c\u00fa ph\u00e1p \u0111\u1ec3 khai b\u00e1o <strong>Anonymous function l\u00e0 g\u00ec<\/strong>? \u0110\u00e2y ch\u1eafc l\u00e0 v\u1ea5n \u0111\u1ec1 ti\u1ebfp theo m\u00e0 b\u1ea1n quan t\u00e2m. Kh\u00e1c v\u1edbi c\u00e1c h\u00e0m th\u00f4ng th\u01b0\u1eddng d\u00f9ng c\u00fa ph\u00e1p \u0111\u1ecbnh ngh\u0129a \u0111\u1ec3 khai b\u00e1o, h\u00e0m Anonymous function s\u1eed d\u1ee5ng to\u00e1n t\u1eed \u0111\u1ec3 khai b\u00e1o.<\/p>\n\n\n\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh r\u1ea5t ti\u1ec7n l\u1ee3i v\u00e0 h\u1eefu d\u1ee5ng n\u1ebfu b\u1ea1n hi\u1ec3u r\u00f5 v\u1ec1 h\u00e0m \u1ea9n danh v\u00e0 c\u00e1ch d\u00f9ng c\u1ee7a n\u00f3. Vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh \u0111\u00fang c\u00e1ch s\u1ebd gi\u00fap b\u1ea1n t\u1ed1i \u01b0u c\u00f4ng vi\u1ec7c l\u1eadp tr\u00ecnh v\u00e0 gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u00e0 th\u00f4ng minh h\u01a1n.<\/p>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/lap-trinh-java-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">L\u1eadp Tr\u00ecnh Vi\u00ean Java L\u00e0 G\u00ec<\/mark><\/a>? M\u00f4 T\u1ea3 C\u00f4ng Vi\u1ec7c V\u00e0 M\u1ee9c L\u01b0\u01a1ng M\u1edbi Nh\u1ea5t<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-6.png\" alt=\"H\u00e0m \u1ea9n danh n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch s\u1ebd r\u1ea5t h\u1eefu d\u1ee5ng\" class=\"wp-image-1859\" title=\"H\u00e0m \u1ea9n danh n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch s\u1ebd r\u1ea5t h\u1eefu d\u1ee5ng\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-6.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-6-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-6-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em><em>H\u00e0m \u1ea9n danh n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch s\u1ebd r\u1ea5t h\u1eefu d\u1ee5ng<\/em><\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Khi b\u1ea1n c\u1ea7n m\u1ed9t h\u00e0m ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00f4ng vi\u1ec7c v\u00e0 b\u1ea1n kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng h\u00e0m \u0111\u00f3 \u1edf ph\u1ea1m vi global th\u00ec b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh. Vai tr\u00f2 thay th\u1ebf n\u00e0y c\u1ee7a h\u00e0m \u1ea9n danh <strong>Anonymous function l\u00e0 g\u00ec<\/strong>.<strong> <\/strong>V\u1edbi c\u00e1c h\u00e0m ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n, vi\u1ec7c ph\u1ea3i t\u1ea1o h\u00e0m l\u00e0m ch\u00fang ta t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c h\u01a1n.&nbsp;<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa vi\u1ec7c ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t h\u00e0m n\u00e0o \u0111\u00f3 m\u1ed9t l\u1ea7n r\u1ed3i b\u1ecf \u0111i c\u0169ng r\u1ea5t b\u1ea5t ti\u1ec7n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, h\u00e0m \u1ea9n danh ph\u00e1t huy t\u1ed1t vai tr\u00f2 c\u1ee7a n\u00f3. Thay v\u00ec t\u1ed1n c\u00f4ng t\u1ea1o m\u1ed9t h\u00e0m s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n sau \u0111\u00f3 b\u1ecf n\u00f3 \u1edf m\u1ed9t g\u00f3c, ch\u00fang ta c\u00f3 th\u1ec3 thay th\u1ebf b\u1eb1ng c\u00e1ch t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh cho c\u00f4ng vi\u1ec7c \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Khi_nao_nen_su_dung_Anonymous_function\"><\/span><strong>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Anonymous function?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng h\u00e0m Anonymous function hay ch\u1ee9c n\u0103ng c\u1ee7a <strong>Anonymous function l\u00e0 g\u00ec<\/strong> trong l\u1eadp tr\u00ecnh l\u00e0 \u0111i\u1ec1u ti\u1ebfp theo ch\u00fang ta c\u1ea7n quan t\u00e2m. M\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng ph\u1ed5 bi\u1ebfn c\u1ee7a h\u00e0m <strong>Anonymous function l\u00e0 g\u00ec<\/strong>?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Su_dung_ham_an_danh_lam_doi_so_tham_so_cua_ham_khac\"><\/span><strong>S\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh l\u00e0m \u0111\u1ed1i s\u1ed1, tham s\u1ed1 c\u1ee7a h\u00e0m kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Ch\u00fang ta kh\u00f4ng th\u1ec3 g\u1ecdi h\u00e0m n\u00e0y nh\u01b0 m\u1ed9t ch\u1ee9c n\u0103ng th\u01b0\u1eddng xuy\u00ean b\u1edfi v\u00ec h\u00e0m \u1ea9n danh kh\u00f4ng c\u00f3 t\u00ean. V\u1eady ch\u1ee9c n\u0103ng l\u00e0 \u0111\u1ed1i s\u1ed1 c\u1ee7a <strong>Anonymous function l\u00e0 g\u00ec<\/strong>?<strong> <\/strong>\u0110i\u1ec1u n\u00e0y ngh\u0129a l\u00e0 ta ph\u1ea3i g\u00e1n h\u00e0m \u1ea9n danh v\u00e0o m\u1ed9t bi\u1ebfn. M\u1eb7t kh\u00e1c ta c\u00f3 th\u1ec3 xem h\u00e0m \u1ea9n danh l\u00e0 m\u1ed9t tham s\u1ed1 sau \u0111\u00f3 cho n\u00f3 v\u00e0o m\u1ed9t h\u00e0m kh\u00e1c.<\/p>\n\n\n\n<p>C\u1ea7n g\u00e1n h\u00e0m \u1ea9n danh anonymous v\u00e0o m\u1ed9t bi\u1ebfn v\u00e0 sau \u0111\u00f3 g\u1ecdi l\u00e0 bi\u1ebfn nh\u01b0 l\u00e0 m\u1ed9t function \u0111\u1ec3 s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh. Vi\u1ec7c truy\u1ec1n h\u00e0m \u1ea9n danh v\u00e0o m\u1ed9t h\u00e0m kh\u00e1c gi\u00fap h\u00e0m \u1ea9n danh tr\u1edf th\u00e0nh \u0111\u1ed1i s\u1ed1 c\u1ee7a h\u00e0m \u0111\u00f3.<\/p>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/callback-function-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Callback Function L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 H\u00e0m Callback Trong Javascript<\/a><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ham_tu_goi_ngay_lap_tuc\"><\/span><strong>H\u00e0m t\u1ef1 g\u1ecdi ngay l\u1eadp t\u1ee9c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi g\u1ecdi h\u00e0m ngay l\u1eadp t\u1ee9c th\u00ec nhi\u1ec7m v\u1ee5 c\u1ee7a h\u00e0m \u1ea9n danh <strong>Anonymous function l\u00e0 g\u00ec<\/strong>? Nh\u01b0 \u1edf \u0111o\u1ea1n tr\u00ean ch\u00fang ta \u0111\u00e3 bi\u1ebft v\u1ec1 vai tr\u00f2 \u0111\u1ea7u ti\u00ean c\u1ee7a h\u00e0m \u1ea9n danh trong vi\u1ec7c truy\u1ec1n h\u00e0m, c\u0169ng nh\u01b0 s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh l\u00e0m \u0111\u1ed1i s\u1ed1, tham s\u1ed1 c\u1ee7a h\u00e0m kh\u00e1c. <\/p>\n\n\n\n<p>Ti\u1ebfp \u0111\u1ebfn \u1edf ph\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd \u0111\u01b0\u1ee3c bi\u1ebft th\u00eam v\u1ec1 vai tr\u00f2 th\u1ee9 2 c\u1ee7a h\u00e0m \u1ea9n danh &#8211; H\u00e0m t\u1ef1 g\u1ecdi ngay l\u1eadp t\u1ee9c. \u0110i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n r\u1eb1ng ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m \u1ea9n danh \u0111\u1ec3 th\u1ef1c thi ngay sau khi t\u1ea1o v\u00e0 khai b\u00e1o n\u00f3.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-7.png\" alt=\"V\u00ed d\u1ee5 v\u1ec1 h\u00e0m t\u1ef1 g\u1ecdi ngay t\u1ee9c kh\u1eafc.\" class=\"wp-image-1860\" title=\"V\u00ed d\u1ee5 v\u1ec1 h\u00e0m t\u1ef1 g\u1ecdi ngay t\u1ee9c kh\u1eafc.\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-7.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-7-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/05\/image-7-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em><em>V\u00ed d\u1ee5 v\u1ec1 h\u00e0m t\u1ef1 g\u1ecdi ngay t\u1ee9c kh\u1eafc.<\/em><\/em><\/figcaption><\/figure><\/div>\n\n\n<p>&nbsp;L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, h\u00e3y tham kh\u1ea3o c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ea7u ti\u00ean l\u00e0 h\u00e3y \u0111\u1ecbnh ngh\u0129a m\u1ed9t h\u00e0m, \u0111\u00e2y l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n m\u00e0 b\u1ea5t k\u00ec l\u1eadp tr\u00ecnh vi\u00ean n\u00e0o c\u0169ng s\u1ebd th\u00e0nh th\u1ea1o.&nbsp;<\/li>\n\n\n\n<li>B\u01b0\u1edbc k\u1ebf ti\u1ebfp, v\u1edbi m\u1ed9t thao t\u00e1c kh\u00e1 \u0111\u01a1n gi\u1ea3n, ngay v\u1ecb tr\u00ed cu\u1ed1i ch\u1ec9 c\u1ea7n th\u00eam d\u1ea5u ngo\u1eb7c \u0111\u01a1n (), \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n g\u1ecdi h\u00e0m ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ul>\n\n\n\n<p>C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m: <strong><a href=\"https:\/\/topviecit.vn\/blog\/sre-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">SRE L\u00e0 G\u00ec? SRE L\u00e0m G\u00ec? Kh\u00e1c Bi\u1ec7t Gi\u1eefa SRE V\u00e0 DevOps<\/a><\/strong><\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n kh\u00e1 \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng th\u00f4ng tin v\u1ec1 h\u00e0m \u1ea9n danh <strong>Anonymous function l\u00e0 g\u00ec <\/strong>c\u0169ng nh\u01b0 vi\u1ec7c s\u1eed d\u1ee5ng h\u00e0m n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u c\u00f4ng vi\u1ec7c. Hy v\u1ecdng b\u00e0i vi\u1ebft tr\u00ean s\u1ebd mang l\u1ea1i nh\u1eefng ki\u1ebfn th\u1ee9c b\u1ed5 \u00edch cho c\u00f4ng vi\u1ec7c l\u1eadp tr\u00ecnh c\u1ee7a b\u1ea1n. V\u00e0 \u0111\u1ec3 kh\u00f4ng b\u1ecb b\u1ecf l\u1ee1 c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn IT, h\u00e3y truy c\u1eadp ngay v\u00e0o <a href=\"https:\/\/www.topcv.vn\/\"><strong>top<\/strong><\/a><strong><a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">cv<\/a><\/strong><a href=\"https:\/\/www.topcv.vn\/\"><strong>.vn<\/strong><\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c th\u00f4ng tin <strong><a href=\"https:\/\/www.topcv.vn\/viec-lam\" target=\"_blank\" rel=\"noreferrer noopener\">vi\u1ec7c l\u00e0m<\/a><\/strong> m\u1edbi nh\u1ea5t<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ngh\u1ec1 IT, l\u1eadp tr\u00ecnh Backend, Coder l\u00e0 nh\u1eefng ngh\u1ec1 v\u1edbi ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 l\u1eadp tr\u00ecnh. Nh\u1eefng ngh\u1ec1 n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u1ee7a ch\u00fang ta ph\u1ea3i th\u00e0nh th\u1ea1o ng\u00f4n ng\u1eef JavaScript. Trong ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh JavaScript c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i h\u00e0m nh\u01b0 tr\u00ean, m\u1ed9t trong s\u1ed1 \u0111\u00f3 l\u00e0 Anonymous function. [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[438],"class_list":["post-1839","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-anonymous-function-la-gi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Anonymous function l\u00e0 g\u00ec? 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