{"id":50273,"date":"2023-12-17T07:02:40","date_gmt":"2023-12-17T07:02:40","guid":{"rendered":"https:\/\/masterskills.org\/blog\/12-cau-hoi-phong-van-node-js-pho-bien-nhat-va-goi-y-tra-loi.html"},"modified":"2023-12-17T07:02:40","modified_gmt":"2023-12-17T07:02:40","slug":"12-cau-hoi-phong-van-node-js-pho-bien-nhat-va-goi-y-tra-loi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/12-cau-hoi-phong-van-node-js-pho-bien-nhat-va-goi-y-tra-loi.html","title":{"rendered":"12 C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Node.JS Ph\u1ed5 Bi\u1ebfn Nh\u1ea5t V\u00e0 G\u1ee3i \u00dd Tr\u1ea3 L\u1eddi\u00a0"},"content":{"rendered":"
\n

Node.js l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng m\u00e1y ch\u1ee7 si\u00eau ph\u1ed5 bi\u1ebfn m\u00e0 ng\u00e0y c\u00e0ng nhi\u1ec1u t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb b\u01b0\u1edbc ti\u1ebfn m\u1edbi cho s\u1ef1 nghi\u1ec7p l\u00e0m Developer c\u1ee7a m\u00ecnh v\u00e0 c\u00f3 m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n xin vi\u1ec7c Node.js s\u1eafp t\u1edbi, b\u1ea1n n\u00ean chu\u1ea9n b\u1ecb v\u00e0 trau d\u1ed3i k\u1ef9 n\u0103ng ph\u1ecfng v\u1ea5n tr\u01b0\u1edbc. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Node.js<\/strong> th\u01b0\u1eddng g\u1eb7p trong nhi\u1ec1u lo\u1ea1i h\u00ecnh ph\u1ecfng v\u1ea5n kh\u00e1c nhau do Masterskills t\u1ed5ng h\u1ee3p!<\/p>\n

Gi\u1ea3i th\u00edch c\u00e1c API kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 non-blocking trong Node.js<\/strong><\/h2>\n

\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Node.js<\/strong> kh\u00e1 ph\u1ed5 bi\u1ebfn. T\u1ea5t c\u1ea3 API trong th\u01b0 vi\u1ec7n Node.js \u0111\u1ec1u kh\u00f4ng \u0111\u1ed3ng b\u1ed9, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u0169ng kh\u00f4ng b\u1ecb ch\u1eb7n (non-blocking).<\/p>\n

M\u00e1y ch\u1ee7 d\u1ef1a tr\u00ean Node.js kh\u00f4ng bao gi\u1edd \u0111\u1ee3i API tr\u1ea3 v\u1ec1 d\u1eef li\u1ec7u. Thay v\u00e0o \u0111\u00f3, n\u00f3 chuy\u1ec3n sang API ti\u1ebfp theo sau khi \u0111\u01b0\u1ee3c g\u1ecdi v\u00e0 c\u01a1 ch\u1ebf th\u00f4ng b\u00e1o t\u1eeb s\u1ef1 ki\u1ec7n Node.js s\u1ebd ph\u1ea3n h\u1ed3i m\u00e1y ch\u1ee7 cho l\u1ec7nh g\u1ecdi API tr\u01b0\u1edbc \u0111\u00f3<\/p>\n

Node.js ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n
\n
\"phong-van-nodejs\"
Node.js ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/figcaption><\/figure>\n<\/div>\n

C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Node.js<\/strong> n\u00e0y ki\u1ec3m tra ki\u1ebfn th\u1ee9c kh\u00e1i qu\u00e1t c\u1ee7a \u1ee9ng vi\u00ean v\u1ec1 c\u00e1ch Node.js ho\u1ea1t \u0111\u1ed9ng. 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 v\u1edbi c\u00e1c lu\u1ed3ng (thread) ho\u1ea1t \u0111\u1ed9ng sau \u0111\u00e2y:<\/p>\n

    \n
  • Kh\u00e1ch h\u00e0ng g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 web \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi \u1ee9ng d\u1ee5ng web. Y\u00eau c\u1ea7u c\u00f3 th\u1ec3 kh\u00f4ng ch\u1eb7n ho\u1eb7c ch\u1eb7n:<\/li>\n
  • Truy v\u1ea5n d\u1eef li\u1ec7u<\/li>\n
  • X\u00f3a d\u1eef li\u1ec7u<\/li>\n
  • C\u1eadp nh\u1eadt d\u1eef li\u1ec7u<\/li>\n
  • Node.js truy xu\u1ea5t c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00e0 th\u00eam ch\u00fang v\u00e0o Event Queue<\/li>\n
  • C\u00e1c y\u00eau c\u1ea7u sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n t\u1eebng c\u00e1i m\u1ed9t qua Event Loop. N\u00f3 ki\u1ec3m tra xem c\u00e1c y\u00eau c\u1ea7u c\u00f3 \u0111\u1ee7 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 t\u00e0i nguy\u00ean b\u00ean ngo\u00e0i n\u00e0o kh\u00f4ng<\/li>\n
  • Event Loop x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u \u0111\u01a1n gi\u1ea3n (non-blocking), ch\u1eb3ng h\u1ea1n nh\u01b0 Th\u0103m d\u00f2 I\/O v\u00e0 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i cho c\u00e1c m\u00e1y kh\u00e1ch t\u01b0\u01a1ng \u1ee9ng<\/li>\n<\/ul>\n

    M\u1ed9t lu\u1ed3ng duy nh\u1ea5t (single-thread) t\u1eeb Nh\u00f3m lu\u1ed3ng \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t y\u00eau c\u1ea7u ph\u1ee9c t\u1ea1p duy nh\u1ea5t. Chu\u1ed7i n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m ho\u00e0n th\u00e0nh m\u1ed9t y\u00eau c\u1ea7u ch\u1eb7n (blocking) c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean b\u00ean ngo\u00e0i, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u00ednh to\u00e1n, h\u1ec7 th\u1ed1ng t\u1ec7p, v.v.<\/p>\n

    Khi nhi\u1ec7m v\u1ee5 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u00e0n ch\u1ec9nh, ph\u1ea3n h\u1ed3i s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn Event Loop \u0111\u1ec3 g\u1eedi ph\u1ea3n h\u1ed3i \u0111\u00f3 tr\u1edf l\u1ea1i m\u00e1y kh\u00e1ch.<\/p>\n

    Node.js \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean nh\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

    Node.js \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng sau:<\/p>\n

      \n
    • Real-time chats<\/li>\n
    • Internet of Things<\/li>\n
    • Complex SPAs (Single-Page Applications)<\/li>\n
    • Real-time collaboration tools<\/li>\n
    • Streaming applications<\/li>\n
    • Microservices architecture<\/li>\n<\/ul>\n

      Node.js x\u1eed l\u00fd c\u00e1c child threads nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n

      V\u1ec1 b\u1ea3n ch\u1ea5t, Node.js l\u00e0 m\u1ed9t quy tr\u00ecnh x\u1eed l\u00fd \u0111\u01a1n lu\u1ed3ng (single-thread). N\u00f3 kh\u00f4ng hi\u1ec3n th\u1ecb c\u00e1c lu\u1ed3ng con v\u00e0 ph\u01b0\u01a1ng th\u1ee9c qu\u1ea3n l\u00fd lu\u1ed3ng cho nh\u00e0 ph\u00e1t tri\u1ec3n. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, Node.js sinh ra c\u00e1c lu\u1ed3ng con cho m\u1ed9t s\u1ed1 t\u00e1c v\u1ee5 nh\u1ea5t \u0111\u1ecbnh ch\u1eb3ng h\u1ea1n nh\u01b0 I\/O kh\u00f4ng \u0111\u1ed3ng b\u1ed9, nh\u01b0ng c\u00e1c lu\u1ed3ng n\u00e0y ch\u1ea1y ng\u1ea7m v\u00e0 kh\u00f4ng th\u1ef1c thi b\u1ea5t k\u1ef3 m\u00e3 JavaScript \u1ee9ng d\u1ee5ng n\u00e0o, c\u0169ng nh\u01b0 ch\u1eb7n Event Loop ch\u00ednh.<\/p>\n

      N\u1ebfu mu\u1ed1n h\u1ed7 tr\u1ee3 lu\u1ed3ng trong \u1ee9ng d\u1ee5ng Node.js, th\u00ec c\u00f3 s\u1eb5n c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 k\u00edch ho\u1ea1t n\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00f4-\u0111un ChildProcess. Tr\u00ean th\u1ef1c t\u1ebf, Node.js 12 c\u00f3 h\u1ed7 tr\u1ee3 th\u1eed nghi\u1ec7m cho c\u00e1c lu\u1ed3ng.<\/p>\n

      M\u1ed9t s\u1ed1 th\u01b0 vi\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong Node.js l\u00e0 g\u00ec?<\/strong><\/h2>\n

      C\u00f3 hai th\u01b0 vi\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Node.js:<\/p>\n

        \n
      • ExpressJS \u2013 Express l\u00e0 m\u1ed9t khung \u1ee9ng d\u1ee5ng web Node.js linh ho\u1ea1t cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 di \u0111\u1ed9ng.<\/li>\n
      • Mongoose \u2013 Mongoose c\u0169ng l\u00e0 m\u1ed9t khung \u1ee9ng d\u1ee5ng web Node.js gi\u00fap d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i \u1ee9ng d\u1ee5ng v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n

        REPL trong Node.js l\u00e0 g\u00ec?<\/strong><\/h2>\n

        REPL l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Read Eval Print Loop v\u00e0 n\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u00e1y t\u00ednh c\u1ee5 th\u1ec3. N\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Windows ho\u1eb7c Unix\/Linux shell trong \u0111\u00f3 m\u1ed9t l\u1ec7nh \u0111\u01b0\u1ee3c nh\u1eadp v\u00e0o. Sau \u0111\u00f3, h\u1ec7 th\u1ed1ng ph\u1ea3n h\u1ed3i v\u1edbi m\u1ed9t \u0111\u1ea7u ra cho m\u00e1y ch\u1ee7 v\u00e0 m\u00e1y kh\u00e1ch.<\/p>\n

        Event-loop trong Node JS l\u00e0 g\u00ec?<\/strong><\/h2>\n

        B\u1ea5t c\u1ee9 th\u1ee9 g\u00ec kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u1ec1u \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi Event Loop b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Queue v\u00e0 tr\u00ecnh nghe.\u00a0<\/p>\n

        V\u00ec v\u1eady, khi m\u1ed9t ch\u1ee9c n\u0103ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c thi (ho\u1eb7c I\/O), lu\u1ed3ng ch\u00ednh (Main-Thread) s\u1ebd g\u1eedi n\u00f3 \u0111\u1ebfn m\u1ed9t lu\u1ed3ng kh\u00e1c cho ph\u00e9p v8 ti\u1ebfp t\u1ee5c th\u1ef1c thi m\u00e3 ch\u00ednh. Event Loop bao g\u1ed3m c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau v\u1edbi c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3 nh\u01b0 b\u1ed9 h\u1eb9n gi\u1edd, cu\u1ed9c g\u1ecdi l\u1ea1i \u0111ang ch\u1edd x\u1eed l\u00fd, kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c chu\u1ea9n b\u1ecb, th\u0103m d\u00f2 \u00fd ki\u1ebfn, ki\u1ec3m tra, \u0111\u00f3ng cu\u1ed9c g\u1ecdi l\u1ea1i v\u1edbi c\u00e1c Queue FIFO kh\u00e1c nhau. Ngo\u00e0i ra, gi\u1eefa c\u00e1c l\u1ea7n l\u1eb7p, n\u00f3 ki\u1ec3m tra I\/O kh\u00f4ng \u0111\u1ed3ng b\u1ed9 ho\u1eb7c b\u1ed9 h\u1eb9n gi\u1edd v\u00e0 t\u1eaft ho\u00e0n to\u00e0n n\u1ebfu kh\u00f4ng c\u00f3.<\/p>\n

        L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 Node.js h\u1ed7 tr\u1ee3 c\u00e1c n\u1ec1n t\u1ea3ng \u0111a b\u1ed9 x\u1eed l\u00fd v\u00e0 n\u00f3 c\u00f3 s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i nguy\u00ean c\u1ee7a b\u1ed9 x\u1eed l\u00fd kh\u00f4ng?<\/strong><\/h2>\n

        V\u00ec Node.js theo m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u01a1n lu\u1ed3ng (single thread), n\u00ean n\u00f3 s\u1ebd ch\u1ea1y tr\u00ean m\u1ed9t l\u00f5i b\u1ed9 x\u1eed l\u00fd duy nh\u1ea5t v\u00e0 s\u1ebd kh\u00f4ng t\u1eadn d\u1ee5ng h\u1ebft c\u00e1c t\u00e0i nguy\u00ean \u0111a l\u00f5i. Tuy nhi\u00ean, Node.js cung c\u1ea5p h\u1ed7 tr\u1ee3 tri\u1ec3n khai tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng \u0111a l\u00f5i \u0111\u1ec3 t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf l\u1edbn h\u01a1n c\u1ee7a ph\u1ea7n c\u1ee9ng. M\u00f4-\u0111un Cluster l\u00e0 m\u1ed9t trong nh\u1eefng m\u00f4-\u0111un Node.js c\u1ed1t l\u00f5i v\u00e0 n\u00f3 cho ph\u00e9p ch\u1ea1y nhi\u1ec1u quy tr\u00ecnh Node.js chia s\u1ebb c\u00f9ng m\u1ed9t c\u1ed5ng.<\/p>\n

        H\u00e3y tr\u00ecnh b\u00e0y c\u00e1ch n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a Node.js th\u00f4ng qua ph\u00e2n c\u1ee5m<\/strong><\/h2>\n
        \n
        \"cau-hoi-phong-van-nodejs-pho-bien\"
        C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Node.js ph\u1ed5 bi\u1ebfn<\/figcaption><\/figure>\n<\/div>\n

        C\u00e1c \u1ee9ng d\u1ee5ng Node.js ch\u1ea1y tr\u00ean m\u1ed9t b\u1ed9 x\u1eed l\u00fd duy nh\u1ea5t, c\u00f3 ngh\u0129a l\u00e0 theo m\u1eb7c \u0111\u1ecbnh, ch\u00fang kh\u00f4ng t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng \u0111a l\u00f5i. Ch\u1ebf \u0111\u1ed9 c\u1ee5m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng nhi\u1ec1u quy tr\u00ecnh c\u1ee7a Node.js, do \u0111\u00f3 c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a Event Loop.\u00a0<\/p>\n

        Khi ch\u00fang ta b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng c\u1ee5m trong \u1ee9ng d\u1ee5ng Node.js ph\u00eda sau c\u1ea3nh, nhi\u1ec1u quy tr\u00ecnh Node.js \u0111\u01b0\u1ee3c t\u1ea1o nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t quy tr\u00ecnh g\u1ed1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh qu\u1ea3n l\u00fd c\u1ee5m ch\u1ecbu tr\u00e1ch nhi\u1ec7m theo d\u00f5i t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c phi\u00ean b\u1ea3n ri\u00eang l\u1ebb trong \u1ee9ng d\u1ee5ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

        \u0110\u1ed1i v\u1edbi Node.js, t\u1ea1i sao Google s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 V8?<\/strong><\/h2>\n

        C\u00f4ng c\u1ee5 V8, do Google ph\u00e1t tri\u1ec3n, l\u00e0 m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng C++. Google Chrome s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y. V8, kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c, c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho th\u1eddi gian ch\u1ea1y Node.js ph\u1ed5 bi\u1ebfn. V8 ban \u0111\u1ea7u \u0111\u01b0\u1ee3c d\u1ef1 \u0111\u1ecbnh \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 th\u1ef1c thi JavaScript trong tr\u00ecnh duy\u1ec7t web.\u00a0<\/p>\n

        Thay v\u00ec s\u1eed d\u1ee5ng tr\u00ecnh th\u00f4ng d\u1ecbch, V8 chuy\u1ec3n \u0111\u1ed5i m\u00e3 JavaScript th\u00e0nh m\u00e3 m\u00e1y hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t. N\u00f3 bi\u1ebfn m\u00e3 JavaScript th\u00e0nh m\u00e3 m\u00e1y trong qu\u00e1 tr\u00ecnh th\u1ef1c thi b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tr\u00ecnh bi\u00ean d\u1ecbch JIT (Just-In-Time), c\u0169ng nh\u01b0 nhi\u1ec1u c\u00f4ng c\u1ee5 JavaScript hi\u1ec7n t\u1ea1i nh\u01b0 SpiderMonkey ho\u1eb7c Rhino (Mozilla).<\/p>\n

        C\u00e1c lo\u1ea1i y\u00eau c\u1ea7u kh\u00e1c nhau c\u1ee7a HTTP l\u00e0 g\u00ec?<\/strong><\/h2>\n

        HTTP \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u01b0\u01a1ng th\u1ee9c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng mong mu\u1ed1n. C\u00e1c ph\u01b0\u01a1ng th\u1ee9c y\u00eau c\u1ea7u bao g\u1ed3m:<\/p>\n

          \n
        • GET: D\u00f9ng \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u<\/li>\n
        • POST: Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i ho\u1eb7c ph\u1ea3n \u1ee9ng tr\u00ean m\u00e1y ch\u1ee7<\/li>\n
        • HEAD: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng th\u1ee9c GET, nh\u01b0ng y\u00eau c\u1ea7u ph\u1ea3n h\u1ed3i m\u00e0 kh\u00f4ng c\u00f3 n\u1ed9i dung ph\u1ea3n h\u1ed3i<\/li>\n
        • DELETE: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00f3a t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc<\/li>\n<\/ul>\n

          WASI l\u00e0 g\u00ec v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c ra \u0111\u1eddi v\u1edbi m\u1ee5c \u0111\u00edch g\u00ec?<\/strong><\/h2>\n

          WASI tri\u1ec3n khai h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 API v\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ti\u1ec7n \u00edch b\u1ed5 sung \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean WASI. M\u1ed7i phi\u00ean b\u1ea3n WASI \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u00f4i tr\u01b0\u1eddng duy nh\u1ea5t. M\u1ed7i phi\u00ean b\u1ea3n WASI ph\u1ea3i ch\u1ec9 \u0111\u1ecbnh tham s\u1ed1 d\u00f2ng l\u1ec7nh, bi\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea5u tr\u00fac th\u01b0 m\u1ee5c v\u00ec l\u00fd do b\u1ea3o m\u1eadt.<\/p>\n

          K\u1ebft<\/strong><\/h2>\n

          V\u1eady l\u00e0 Masterskills \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u top 12 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Node.js<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t. Hy v\u1ecdng nh\u1eefng g\u1ee3i \u00fd tr\u1ea3 l\u1eddi tr\u00ean s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 chu\u1ea9n b\u1ecb t\u1ed1t nh\u1ea5t cho cu\u1ed9c ph\u1ecfng v\u1ea5n s\u1eafp t\u1edbi. N\u1ebfu c\u1ea3m th\u1ea5y h\u1ee9ng th\u00fa v\u1edbi c\u00e1c ch\u1ee7 \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1, h\u00e3y gh\u00e9 qua Blog c\u1ee7a Masterskills \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u n\u1ed9i dung h\u1ea5p d\u1eabn h\u01a1n n\u1eefa nh\u00e9!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          Node.js l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng m\u00e1y ch\u1ee7 si\u00eau ph\u1ed5 bi\u1ebfn m\u00e0 ng\u00e0y c\u00e0ng nhi\u1ec1u t\u1ed5 ch\u1ee9c s\u1eed d\u1ee5ng. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb b\u01b0\u1edbc ti\u1ebfn m\u1edbi cho s\u1ef1 nghi\u1ec7p l\u00e0m Developer c\u1ee7a m\u00ecnh v\u00e0 c\u00f3 m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n xin vi\u1ec7c Node.js s\u1eafp t\u1edbi, b\u1ea1n n\u00ean chu\u1ea9n b\u1ecb v\u00e0 trau d\u1ed3i k\u1ef9 n\u0103ng ph\u1ecfng v\u1ea5n […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50273"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=50273"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50273\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=50273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=50273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=50273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}