{"id":4033,"date":"2023-02-04T03:46:39","date_gmt":"2023-02-04T03:46:39","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=4033"},"modified":"2023-03-23T04:26:52","modified_gmt":"2023-03-23T04:26:52","slug":"cau-hoi-phong-van-nodejs","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/","title":{"rendered":"T\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u00f4ng d\u1ee5ng v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t"},"content":{"rendered":"\n<p>NodeJS l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c nhi\u1ec1u t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng h\u01a1n. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb t\u00ecm ki\u1ebfm c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn l\u0129nh v\u1ef1c n\u00e0y, h\u00e3y c\u00f9ng <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">TopviecIT<\/mark><\/strong><\/a> tham kh\u1ea3o t\u1ed5ng h\u1ee3p <strong><a href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS<\/a><\/strong> th\u01b0\u1eddng g\u1eb7p sau \u0111\u00e2y.<\/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\/cau-hoi-phong-van-nodejs\/#Cac_cau_hoi_phong_van_NodeJS_co_ban\" title=\"C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/#Cau_1_NodeJS_la_gi_va_no_hoat_dong_nhu_the_nao\" title=\"C\u00e2u 1: NodeJS l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\">C\u00e2u 1: NodeJS l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/#Cau_2_Tai_sao_nen_su_dung_NodeJS_Su_dung_no_o_dau\" title=\"C\u00e2u 2: T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng NodeJS? S\u1eed d\u1ee5ng n\u00f3 \u1edf \u0111\u00e2u?\">C\u00e2u 2: T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng NodeJS? S\u1eed d\u1ee5ng n\u00f3 \u1edf \u0111\u00e2u?<\/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\/cau-hoi-phong-van-nodejs\/#Cau_3_Ban_quan_ly_cac_goi_trong_du_an_NodeJS_cua_minh_nhu_the_nao\" title=\"C\u00e2u 3: B\u1ea1n qu\u1ea3n l\u00fd c\u00e1c g\u00f3i trong d\u1ef1 \u00e1n NodeJS c\u1ee7a m\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?\">C\u00e2u 3: B\u1ea1n qu\u1ea3n l\u00fd c\u00e1c g\u00f3i trong d\u1ef1 \u00e1n NodeJS c\u1ee7a m\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/#Cau_4_Uu_%E2%80%93_nhuoc_diem_khi_su_dung_NodeJS_la_gi\" title=\"C\u00e2u 4: \u01afu &#8211; nh\u01b0\u1ee3c \u0111i\u1ec3m khi s\u1eed d\u1ee5ng NodeJS l\u00e0 g\u00ec?\">C\u00e2u 4: \u01afu &#8211; nh\u01b0\u1ee3c \u0111i\u1ec3m khi s\u1eed d\u1ee5ng NodeJS l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/#Cac_cau_hoi_phong_van_NodeJS_chuyen_mon\" title=\"C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n\">C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_NodeJS_co_ban\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS sau \u0111\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ea7u bu\u1ed5i trao \u0111\u1ed5i \u0111\u1ec3 nh\u00e0 tuy\u1ec3n d\u1ee5ng x\u00e1c \u0111\u1ecbnh nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 n\u1ec1n t\u1ea3ng n\u00e0y c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n v\u00e0 g\u1ee3i \u00fd tr\u1ea3 l\u1eddi m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_1_NodeJS_la_gi_va_no_hoat_dong_nhu_the_nao\"><\/span><strong>C\u00e2u 1: NodeJS l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Node.js l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n, m\u00f4i tr\u01b0\u1eddng th\u1eddi gian hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t m\u00e1y \u1ea3o, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y JavaScript \u0111a n\u1ec1n t\u1ea3ng, ch\u1ea1y c\u00f4ng c\u1ee5 JavaScript V8 c\u1ee7a Chrome. N\u00f3 c\u0169ng l\u00e0 m\u00e3 ngu\u1ed3n m\u1edf \u0111\u1ec3 ch\u1ea1y c\u00e1c \u1ee9ng d\u1ee5ng web b\u00ean ngo\u00e0i tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00e1y kh\u00e1ch. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o c\u00e1c \u1ee9ng d\u1ee5ng web ph\u00eda m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<p>V\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, NodeJS d\u1ef1a v\u00e0o ki\u1ebfn tr\u00fac h\u01b0\u1edbng s\u1ef1 ki\u1ec7n trong \u0111\u00f3 I\/O ch\u1ea1y kh\u00f4ng \u0111\u1ed3ng b\u1ed9. Do \u0111\u00f3, n\u1ec1n t\u1ea3ng n\u00e0y nh\u1eb9 v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u d\u1eef li\u1ec7u. M\u1ed9t m\u00e1y ch\u1ee7 web s\u1eed d\u1ee5ng Node.js th\u01b0\u1eddng c\u00f3 quy tr\u00ecnh l\u00e0m vi\u1ec7c kh\u00e1 gi\u1ed1ng v\u1edbi s\u01a1 \u0111\u1ed3 minh h\u1ecda d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam: <\/strong><a href=\"https:\/\/topviecit.vn\/blog\/javascript-frameworks\/\"><strong>T\u1ed5ng h\u1ee3p c\u00e1c JavaScript Frameworks th\u00f4ng d\u1ee5ng hi\u1ec7n nay<\/strong><\/a><\/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\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-1.jpg\" alt=\"M\u00f4 h\u00ecnh minh h\u1ecda s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 NodeJS\" class=\"wp-image-4035\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-1.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-1-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>M\u00f4 h\u00ecnh minh h\u1ecda s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 NodeJS<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_2_Tai_sao_nen_su_dung_NodeJS_Su_dung_no_o_dau\"><\/span><strong>C\u00e2u 2: T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng NodeJS? S\u1eed d\u1ee5ng n\u00f3 \u1edf \u0111\u00e2u?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>NodeJS gi\u00fap d\u1ec5 d\u00e0ng x\u00e2y d\u1ef1ng c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u1ea1ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. M\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m c\u1ee7a NodeJS n\u1ed5i b\u1eadt h\u01a1n c\u00e1c lo\u1ea1i framework kh\u00e1c nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cung c\u1ea5p s\u1ef1 \u0111\u01a1n gi\u1ea3n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n do I\/O kh\u00f4ng ch\u1eb7n, th\u1eddi gian ph\u1ea3n h\u1ed3i ng\u1eafn, x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi. Kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 m\u00e0 c\u00e1c framework kh\u00e1c ph\u00e1t tri\u1ec3n ph\u1ea3i s\u1eed d\u1ee5ng qu\u1ea3n l\u00fd lu\u1ed3ng.<\/li>\n\n\n\n<li>N\u00f3 ch\u1ea1y tr\u00ean m\u1ed9t c\u00f4ng c\u1ee5 chrome v8 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng C++ v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t cao v\u1edbi s\u1ef1 c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c.&nbsp;<\/li>\n\n\n\n<li>Qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, l\u1eadp tr\u00ecnh b\u1eb1ng NodeJS cao h\u01a1n.<\/li>\n\n\n\n<li>C\u00f3 nhi\u1ec1u th\u01b0 vi\u1ec7n \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_3_Ban_quan_ly_cac_goi_trong_du_an_NodeJS_cua_minh_nhu_the_nao\"><\/span><strong>C\u00e2u 3: B\u1ea1n qu\u1ea3n l\u00fd c\u00e1c g\u00f3i trong d\u1ef1 \u00e1n NodeJS c\u1ee7a m\u00ecnh nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n s\u1ebd ph\u1ea3i qu\u1ea3n l\u00fd nhi\u1ec1u d\u1ef1 \u00e1n kh\u00e1c nhau, do \u0111\u00f3 \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ng\u00e0y nay, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng qu\u1ea3n l\u00fd c\u00e1c d\u1ef1 \u00e1n NodeJS b\u1eb1ng m\u1ed9t s\u1ed1 tr\u00ecnh c\u00e0i \u0111\u1eb7t li\u00ean quan \u0111\u1ebfn t\u1ec7p c\u1ea5u h\u00ecnh t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c g\u00f3i. Trong \u0111\u00f3, h\u1ecd s\u1eed d\u1ee5ng npm ho\u1eb7c yarn \u0111\u1ec3 qu\u1ea3n l\u00fd.<\/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\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-2.jpg\" alt=\"C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng ph\u1ea3i qu\u1ea3n l\u00fd nhi\u1ec1u d\u1ef1 \u00e1n NodeJS c\u00f9ng m\u1ed9t l\u00fac\" class=\"wp-image-4036\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-2.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-2-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean th\u01b0\u1eddng ph\u1ea3i qu\u1ea3n l\u00fd nhi\u1ec1u d\u1ef1 \u00e1n NodeJS c\u00f9ng m\u1ed9t l\u00fac<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_4_Uu_%E2%80%93_nhuoc_diem_khi_su_dung_NodeJS_la_gi\"><\/span><strong>C\u00e2u 4: \u01afu &#8211; nh\u01b0\u1ee3c \u0111i\u1ec3m khi s\u1eed d\u1ee5ng NodeJS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. G\u1ee3i \u00fd tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi n\u00e0y nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>\u01afu \u0111i\u1ec3m c\u1ee7a NodeJS<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u1eed l\u00fd nhanh v\u00e0 m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng ng\u00f4n ng\u1eef JavaScript ph\u1ed5 bi\u1ebfn.<\/li>\n\n\n\n<li>Node Package Manager c\u00f3 h\u01a1n 50.000 g\u00f3i cung c\u1ea5p ch\u1ee9c n\u0103ng cho m\u1ed9t \u1ee9ng d\u1ee5ng.<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 truy\u1ec1n tr\u1ef1c tuy\u1ebfn l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng chuy\u00ean s\u00e2u I\/O.<\/li>\n<\/ul>\n\n\n\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a NodeJS<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n n\u1eb7ng.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng c\u1ea5u tr\u00fac callback r\u1ea5t ph\u1ee9c t\u1ea1p v\u00ec b\u1ea1n k\u1ebft th\u00fac v\u1edbi m\u1ed9t s\u1ed1 callback l\u1ed3ng nhau.<\/li>\n\n\n\n<li>X\u1eed l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho NodeJS.<\/li>\n\n\n\n<li>V\u00ec Node.js l\u00e0 \u0111\u01a1n lu\u1ed3ng n\u00ean c\u00e1c t\u00e1c v\u1ee5 s\u1eed d\u1ee5ng nhi\u1ec1u CPU kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ebf m\u1ea1nh c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/nodejs-developer\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nodejs Developer L\u00e0 G\u00ec? M\u00f4 T\u1ea3 Chi Ti\u1ebft C\u00f4ng Vi\u1ec7c V\u00e0 M\u1ee9c L\u01b0\u01a1ng<\/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\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-3.jpg\" alt=\"NodeJS c\u00f3 nhi\u1ec1u \u01b0u - nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c nhau\" class=\"wp-image-4037\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-3.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-3-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-3-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>NodeJS c\u00f3 nhi\u1ec1u \u01b0u &#8211; nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c nhau<\/em><\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_phong_van_NodeJS_chuyen_mon\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng c\u00e2u h\u1ecfi \u1edf tr\u00ean, \u0111a s\u1ed1 nh\u00e0 tuy\u1ec3n d\u1ee5ng s\u1ebd d\u00f9ng c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n trong su\u1ed1t bu\u1ed5i trao \u0111\u1ed5i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p:<\/p>\n\n\n\n<p><strong>C\u00e2u 5<\/strong>: B\u1ea1n hi\u1ec3u g\u00ec v\u1ec1 ch\u1ee9c n\u0103ng callback trong NodeJS?<\/p>\n\n\n\n<p><strong>C\u00e2u 6<\/strong>: L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1ea1n t\u1ea1o m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01a1n gi\u1ea3n trong NodeJS tr\u1ea3 v\u1ec1 Hello World?<\/p>\n\n\n\n<p><strong>C\u00e2u 7<\/strong>: C\u00f3 bao nhi\u00eau lo\u1ea1i h\u00e0m API trong NodeJS?<\/p>\n\n\n\n<p><strong>C\u00e2u 8<\/strong>: M\u1ee5c \u0111\u00edch c\u1ee7a module.exports l\u00e0 g\u00ec?<\/p>\n\n\n\n<p><strong>C\u00e2u 9<\/strong>: Li\u1ec7t k\u00ea hai \u0111\u1ed1i s\u1ed1 m\u00e0 async.queue l\u1ea5y l\u00e0m \u0111\u1ea7u v\u00e0o?<\/p>\n\n\n\n<p><strong>C\u00e2u 10<\/strong>: Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong NodeJS \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ki\u1ec3u m\u00e3 nh\u1ea5t qu\u00e1n?<\/p>\n\n\n\n<p><strong>C\u00e2u 11<\/strong>: B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 v\u00f2ng l\u1eb7p s\u1ef1 ki\u1ec7n trong NodeJS?<\/p>\n\n\n\n<p><strong>C\u00e2u 12<\/strong>: Ph\u00e2n bi\u1ec7t gi\u1eefa process.nextTick() v\u00e0 setImmediate()?<\/p>\n\n\n\n<p><strong>C\u00e2u 13<\/strong>:&nbsp; L\u00e0m th\u1ebf n\u00e0o ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng async \u0111ang ch\u1edd trong NodeJS?<\/p>\n\n\n\n<p><strong>C\u00e2u 14<\/strong>: NodeJS kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 ch\u1eb7n ho\u1ea1t \u0111\u1ed9ng I\/O nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p><strong>C\u00e2u 15<\/strong>: C\u00e1ch n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a NodeJS th\u00f4ng qua ph\u00e2n c\u1ee5m nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p>T\u00ecm hi\u1ec3u th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/thuc-tap-nodejs\/\" target=\"_blank\" rel=\"noreferrer noopener\">L\u1eddi khuy\u00ean khi \u0111i th\u1ef1c t\u1eadp NodeJS &#8211; Chu\u1ea9n b\u1ecb g\u00ec, t\u00ecm vi\u1ec7c \u1edf \u0111\u00e2u?<\/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\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-4.jpg\" alt=\"Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn\" class=\"wp-image-4038\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-4.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-4-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/cau-hoi-phong-van-nodejs-topcv-4-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS chuy\u00ean m\u00f4n s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Tr\u00ean \u0111\u00e2y b\u00e0i vi\u1ebft <strong><a href=\"https:\/\/topviecit.vn\/blog\/chuyen-muc\/chia-se-kinh-nghiem\/\" target=\"_blank\" rel=\"noreferrer noopener\">chia s\u1ebb kinh nghi\u1ec7m<\/a><\/strong> v\u1ec1 c\u00e1c<strong> c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS<\/strong> ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p. Hy v\u1ecdng v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS n\u00e0y, b\u1ea1n s\u1ebd chu\u1ea9n b\u1ecb t\u1ed1t h\u01a1n cho s\u1ef1 thay \u0111\u1ed5i c\u00f4ng vi\u1ec7c s\u1eafp t\u1edbi c\u1ee7a m\u00ecnh. N\u1ebfu b\u1ea1n c\u0169ng \u0111ang t\u00ecm ki\u1ebfm c\u01a1 h\u1ed9i <strong><a href=\"https:\/\/www.topcv.vn\/viec-lam\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">vi\u1ec7c l\u00e0m h\u1ea5p d\u1eabn<\/mark><\/a><\/strong> li\u00ean quan \u0111\u1ebfn v\u1ecb tr\u00ed NodeJS Developer, h\u00e3y truy c\u1eadp v\u00e0o trang <a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">TopCV<\/mark><\/strong><\/a>. <strong><em>\u0110\u00e2y hi\u1ec7n l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng k\u1ebft n\u1ed1i vi\u1ec7c l\u00e0m uy t\u00edn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u hi\u1ec7n nay. V\u1edbi ti\u00ean phong trong \u00e1p d\u1ee5ng HR Tech, TopCV s\u1ebd gi\u00fap b\u1ea1n k\u1ebft n\u1ed1i nhanh &#8211; \u0111\u00fang &#8211; hi\u1ec7u qu\u1ea3 v\u1edbi nh\u1eefng c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m h\u1ea5p d\u1eabn hi\u1ec7n nay li\u00ean quan \u0111\u1ebfn NodeJS Developer.<\/em><\/strong>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NodeJS l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c nhi\u1ec1u t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng h\u01a1n. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb t\u00ecm ki\u1ebfm c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn l\u0129nh v\u1ef1c n\u00e0y, h\u00e3y c\u00f9ng TopviecIT tham kh\u1ea3o t\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u01b0\u1eddng g\u1eb7p sau \u0111\u00e2y. C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS c\u01a1 b\u1ea3n [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4034,"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":[1110,1111,586,986,461,1112],"class_list":["post-4033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-cau-hoi-phong-van-fresher-nodejs","tag-cau-hoi-phong-van-nodejs-senior","tag-dang-tin-tuyen-dung","tag-nodejs-developer","tag-phong-van-it","tag-phong-van-nodejs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u00f4ng d\u1ee5ng v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/title>\n<meta name=\"description\" content=\"N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb t\u00ecm ki\u1ebfm c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan NodeJS, h\u00e3y c\u00f9ng tham kh\u1ea3o t\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u01b0\u1eddng g\u1eb7p sau \u0111\u00e2y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-nodejs\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ed5ng h\u1ee3p c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n NodeJS th\u00f4ng d\u1ee5ng v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t\" \/>\n<meta property=\"og:description\" content=\"N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb t\u00ecm 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