{"id":49904,"date":"2023-12-17T05:05:20","date_gmt":"2023-12-17T05:05:20","guid":{"rendered":"https:\/\/masterskills.org\/blog\/top-cau-hoi-phong-van-vuejs-pho-bien-nhat.html"},"modified":"2023-12-17T05:05:20","modified_gmt":"2023-12-17T05:05:20","slug":"top-cau-hoi-phong-van-vuejs-pho-bien-nhat","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/top-cau-hoi-phong-van-vuejs-pho-bien-nhat.html","title":{"rendered":"Top C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Vuejs Ph\u1ed5 Bi\u1ebfn Nh\u1ea5t\u00a0"},"content":{"rendered":"
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Trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, Masterskills s\u1ebd g\u1eedi \u0111\u1ebfn b\u1ea1n top c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n xin vi\u1ec7c Vue.js ho\u1eb7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 mu\u1ed1n n\u00e2ng cao ki\u1ebfn th\u1ee9c v\u1ec1 Vue.js, b\u1ea1n c\u1ea7n l\u00e0m quen v\u1edbi c\u00e1c c\u00e2u h\u1ecfi m\u00e0 nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u01b0\u1eddng s\u1eed d\u1ee5ng. Hi\u1ec3u r\u00f5 nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y s\u1ebd gi\u00fap b\u1ea1n th\u1ec3 hi\u1ec7n chuy\u00ean m\u00f4n v\u00e0 s\u1ef1 t\u1ef1 tin c\u1ee7a m\u00ecnh trong qu\u00e1 tr\u00ecnh ph\u1ecfng v\u1ea5n.<\/p>\n

C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs cho freshers\u00a0<\/strong><\/h2>\n

\u0110\u1ea7u ti\u00ean, h\u00e3y c\u00f9ng Masterskills \u0111i\u1ec3m qua m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs<\/strong> d\u00e0nh cho freshers:<\/p>\n

1. Prop component l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Trong Vue.js, prop l\u00e0 m\u1ed9t c\u00e1ch \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb th\u00e0nh ph\u1ea7n parent sang th\u00e0nh ph\u1ea7n child. N\u00f3 cho ph\u00e9p th\u00e0nh ph\u1ea7n parent chia s\u1ebb d\u1eef li\u1ec7u v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n child c\u1ee7a n\u00f3 v\u00e0 cho ph\u00e9p giao ti\u1ebfp gi\u1eefa ch\u00fang. Props l\u00e0 read-only, ngh\u0129a l\u00e0 th\u00e0nh ph\u1ea7n child kh\u00f4ng th\u1ec3 s\u1eeda \u0111\u1ed5i tr\u1ef1c ti\u1ebfp d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c th\u00f4ng qua props. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o lu\u1ed3ng d\u1eef li\u1ec7u m\u1ed9t chi\u1ec1u trong Vue.js.<\/p>\n

2. Trong Vuejs, reactivity l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Reactivity l\u00e0 m\u1ed9t t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Vue.js cho ph\u00e9p c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng t\u1ef1 \u0111\u1ed9ng khi d\u1eef li\u1ec7u c\u01a1 b\u1ea3n thay \u0111\u1ed5i. Vue.js s\u1eed d\u1ee5ng DOM \u1ea3o v\u00e0 h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 theo d\u00f5i c\u00e1c thay \u0111\u1ed5i trong d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Khi d\u1eef li\u1ec7u thay \u0111\u1ed5i, Vue.js s\u1ebd t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt c\u00e1c th\u00e0nh ph\u1ea7n b\u1ecb \u1ea3nh h\u01b0\u1edfng, \u0111\u1ea3m b\u1ea3o giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n

3. N\u1ebfu s\u1ef1 kh\u00e1c nhau gi\u1eefa v-show v\u00e0 v-if<\/strong><\/h3>\n

Trong Vue.js, c\u1ea3 v-show v\u00e0 v-if \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00f3 \u0111i\u1ec1u ki\u1ec7n, nh\u01b0ng ch\u00fang c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf v\u1ec1 h\u00e0nh vi.<\/p>\n

v-show ki\u1ec3m so\u00e1t kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i thu\u1ed9c t\u00ednh hi\u1ec3n th\u1ecb CSS c\u1ee7a ph\u1ea7n t\u1eed \u0111\u00f3. Ph\u1ea7n t\u1eed v\u1eabn c\u00f2n trong DOM v\u00e0 CSS \u0111\u01b0\u1ee3c thao t\u00e1c \u0111\u1ec3 \u1ea9n ho\u1eb7c hi\u1ec3n th\u1ecb. N\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ho\u1eb7c \u1ea9n.<\/p>\n

M\u1eb7t kh\u00e1c, v-if k\u1ebft xu\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u1ed9t ph\u1ea7n t\u1eed b\u1eb1ng c\u00e1ch th\u00eam ho\u1eb7c x\u00f3a ph\u1ea7n t\u1eed \u0111\u00f3 kh\u1ecfi DOM d\u1ef1a tr\u00ean t\u00ednh trung th\u1ef1c c\u1ee7a bi\u1ec3u th\u1ee9c. N\u1ebfu bi\u1ec3u th\u1ee9c \u0111\u00e1nh gi\u00e1 l\u00e0 sai, ph\u1ea7n t\u1eed s\u1ebd b\u1ecb x\u00f3a kh\u1ecfi DOM. N\u00f3 r\u1ea5t h\u1eefu \u00edch khi kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb c\u1ee7a ph\u1ea7n t\u1eed kh\u00f4ng th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c b\u1eadt ho\u1eb7c khi qu\u00e1 tr\u00ecnh k\u1ebft xu\u1ea5t c\u00f3 chi ph\u00ed cao.<\/p>\n

: Frontend, Backend, Fullstack l\u00e0 g\u00ec? Ph\u00e2n Bi\u1ec7t Frontend, Backend, Fullstack<\/strong><\/p>\n

4. C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n thi\u1ebft nh\u1ea5t trong State Management Pattern l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Trong Vue.js, c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu c\u1ee7a State Management Pattern bao g\u1ed3m:<\/p>\n

    \n
  • State: \u0110\u1ea1i di\u1ec7n cho kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1eadp trung c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng. State gi\u1eef d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chia s\u1ebb c\u1ea7n \u0111\u01b0\u1ee3c truy c\u1eadp v\u00e0 s\u1eeda \u0111\u1ed5i b\u1edfi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau.<\/li>\n
  • Getters: Getters l\u00e0 c\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n cho ph\u00e9p truy c\u1eadp tr\u1ea1ng th\u00e1i theo c\u00e1ch c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 ph\u1ea3n \u1ee9ng l\u1ea1i. Ch\u00fang cung c\u1ea5p c\u00e1ch \u0111\u1ec3 l\u1ea5y v\u00e0 tr\u00edch xu\u1ea5t c\u00e1c gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 t\u1eeb State.<\/li>\n
  • Mutations: Mutations ch\u1ecbu tr\u00e1ch nhi\u1ec7m s\u1eeda \u0111\u1ed5i State m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9. Ch\u00fang l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 s\u1eeda \u0111\u1ed5i State nh\u1eb1m \u0111\u1ea3m b\u1ea3o lu\u1ed3ng qu\u1ea3n l\u00fd State c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.<\/li>\n
  • Actions: C\u00e1c h\u00e0nh \u0111\u1ed9ng x\u1eed l\u00fd c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c \u0111\u1ed9t bi\u1ebfn. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n l\u1ec7nh g\u1ecdi API, c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i ho\u1eb7c g\u1eedi c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u00e1c.<\/li>\n
  • C\u00e1c m\u00f4-\u0111un: C\u00e1c m\u00f4-\u0111un gi\u00fap t\u1ed5 ch\u1ee9c tr\u1ea1ng th\u00e1i, getters, c\u00e1c \u0111\u1ed9t bi\u1ebfn v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng th\u00e0nh c\u00e1c kh\u00f4ng gian t\u00ean ho\u1eb7c m\u00f4-\u0111un ri\u00eang bi\u1ec7t. Ch\u00fang cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac m\u00f4-\u0111un \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c \u1ee9ng d\u1ee5ng quy m\u00f4 l\u1edbn.<\/li>\n<\/ul>\n

    5. M\u00f4 t\u1ea3 Single File Component (component file ri\u00eang bi\u1ec7t) trong Vuejs<\/strong><\/h3>\n

    Single File Component l\u00e0 t\u1ec7p c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng .vue ch\u1ee9a th\u00e0nh ph\u1ea7n Vue. N\u00f3 ch\u1ee9a m\u1eabu, logic v\u00e0 ki\u1ec3u c\u1ee7a th\u00e0nh ph\u1ea7n, t\u1ea5t c\u1ea3 \u0111\u01b0\u1ee3c g\u00f3i c\u00f9ng nhau trong m\u1ed9t t\u1ec7p. N\u00f3 bao g\u1ed3m m\u1ed9t kh\u1ed1i <script>, c\u00e1c kh\u1ed1i <template> v\u00e0 <style> t\u00f9y ch\u1ecdn v\u00e0 c\u00e1c kh\u1ed1i t\u00f9y ch\u1ec9nh b\u1ed5 sung c\u00f3 th\u1ec3 c\u00f3.<\/p>\n

    6. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c minh n\u1ebfu m\u1ed9t \u0111\u1ed9t bi\u1ebfn (mutation) x\u1ea3y ra?\u00a0<\/strong><\/h3>\n

    Trong Vue.js, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c minh xem c\u00f3 x\u1ea3y ra \u0111\u1ed9t bi\u1ebfn hay kh\u00f4ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Vue Devtools. Vue Devtools l\u00e0 m\u1ed9t ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a tr\u00ecnh duy\u1ec7t cho ph\u00e9p b\u1ea1n ki\u1ec3m tra v\u00e0 g\u1ee1 l\u1ed7i c\u00e1c \u1ee9ng d\u1ee5ng Vue.js. N\u00f3 cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 tr\u1ea1ng th\u00e1i, c\u00e1c \u0111\u1ed9t bi\u1ebfn, h\u00e0nh \u0111\u1ed9ng v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n trong \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n

    \u0110\u1ec3 x\u00e1c minh xem c\u00f3 x\u1ea3y ra \u0111\u1ed9t bi\u1ebfn hay kh\u00f4ng, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

      \n
    • C\u00e0i \u0111\u1eb7t ti\u1ec7n \u00edch m\u1edf r\u1ed9ng tr\u00ecnh duy\u1ec7t Vue Devtools cho tr\u00ecnh duy\u1ec7t \u01b0a th\u00edch c\u1ee7a b\u1ea1n.<\/li>\n
    • M\u1edf \u1ee9ng d\u1ee5ng Vue.js c\u1ee7a b\u1ea1n trong tr\u00ecnh duy\u1ec7t.<\/li>\n
    • M\u1edf b\u1ea3ng Vue Devtools v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn tab \u201cVuex\u201d.<\/li>\n
    • T\u00ecm ph\u1ea7n \u201cMutations\u201d trong tab Vuex.<\/li>\n
    • B\u1ea5t c\u1ee9 khi n\u00e0o m\u1ed9t \u0111\u1ed9t bi\u1ebfn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong ph\u1ea7n \u0110\u1ed9t bi\u1ebfn, c\u00f9ng v\u1edbi c\u00e1c chi ti\u1ebft c\u1ee7a \u0111\u1ed9t bi\u1ebfn v\u00e0 c\u00e1c thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i li\u00ean quan.<\/li>\n<\/ul>\n

      B\u1eb1ng c\u00e1ch theo d\u00f5i c\u00e1c \u0111\u1ed9t bi\u1ebfn trong th\u1eddi gian th\u1ef1c b\u1eb1ng Vue Devtools, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u00e1c minh xem c\u00f3 x\u1ea3y ra \u0111\u1ed9t bi\u1ebfn hay kh\u00f4ng v\u00e0 theo d\u00f5i c\u00e1c thay \u0111\u1ed5i x\u1ea3y ra trong tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng.<\/p>\n

      : 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<\/p>\n

      7. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c Styled Components trong Vuejs kh\u00f4ng?\u00a0<\/strong><\/h3>\n

      Styled Components, m\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 t\u1ea1o ki\u1ec3u cho c\u00e1c th\u00e0nh ph\u1ea7n trong React, kh\u00f4ng c\u00f3 s\u1eb5n trong Vue.js. Tuy nhi\u00ean, Vue.js cung c\u1ea5p c\u00e1ch ti\u1ebfp c\u1eadn ri\u00eang \u0111\u1ec3 t\u1ea1o ki\u1ec3u th\u00e0nh ph\u1ea7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un CSS v\u00e0 CSS c\u00f3 ph\u1ea1m vi.<\/p>\n

      Vue.js h\u1ed7 tr\u1ee3 CSS c\u00f3 ph\u1ea1m vi, trong \u0111\u00f3 c\u00e1c ki\u1ec3u CSS \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong kh\u1ed1i ki\u1ec3u c\u1ee7a th\u00e0nh ph\u1ea7n ch\u1ec9 \u00e1p d\u1ee5ng cho th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 \u0111\u00f3 v\u00e0 kh\u00f4ng r\u00f2 r\u1ec9 sang c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p \u0111\u00f3ng g\u00f3i v\u00e0 tr\u00e1nh xung \u0111\u1ed9t gi\u1eefa c\u00e1c ki\u1ec3u trong c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau.<\/p>\n

      Ngo\u00e0i ra, Vue.js c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1c m\u00f4-\u0111un CSS, cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eed d\u1ee5ng c\u00e1c l\u1edbp CSS l\u00e0m bi\u1ebfn c\u1ee5c b\u1ed9 trong m\u1ed9t th\u00e0nh ph\u1ea7n. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p t\u00ednh m\u00f4-\u0111un t\u1ed1t h\u01a1n v\u00e0 ng\u0103n ch\u1eb7n xung \u0111\u1ed9t t\u00ean l\u1edbp.<\/p>\n

      M\u1eb7c d\u00f9 Vue.js kh\u00f4ng c\u00f3 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ea1o ki\u1ec3u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng tr\u1ef1c ti\u1ebfp, nh\u01b0ng c\u00e1c t\u00ednh n\u0103ng m\u00f4-\u0111un CSS v\u00e0 CSS c\u00f3 ph\u1ea1m vi cung c\u1ea5p c\u00e1c kh\u1ea3 n\u0103ng t\u1ea1o ki\u1ec3u linh ho\u1ea1t v\u00e0 m\u1ea1nh m\u1ebd trong c\u00e1c \u1ee9ng d\u1ee5ng Vue.js.<\/p>\n

      8. Instant prototyping l\u00e0 g\u00ec v\u00e0 n\u00f3 l\u00e0m vi\u1ec7c nh\u01b0 th\u1ebf n\u00e0o?\u00a0<\/strong><\/h3>\n

      Instant prototyping trong Vue.js l\u00e0 m\u1ed9t t\u00ednh n\u0103ng cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng t\u1ea1o nguy\u00ean m\u1eabu v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c th\u00e0nh ph\u1ea7n, m\u1eabu v\u00e0 d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft l\u1eadp b\u1ea3n d\u1ef1ng ho\u00e0n ch\u1ec9nh ho\u1eb7c c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p.<\/p>\n

      V\u1edbi t\u00ednh n\u0103ng t\u1ea1o nguy\u00ean m\u1eabu t\u1ee9c th\u00ec, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o d\u1ef1 \u00e1n Vue.js m\u1edbi b\u1eb1ng Vue CLI v\u00e0 ngay l\u1eadp t\u1ee9c b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c th\u00e0nh ph\u1ea7n. N\u00f3 lo\u1ea1i b\u1ecf nhu c\u1ea7u thi\u1ebft l\u1eadp quy tr\u00ecnh x\u00e2y d\u1ef1ng, \u0111\u1ecbnh c\u1ea5u h\u00ecnh g\u00f3i web ho\u1eb7c qu\u1ea3n l\u00fd c\u00e1c ph\u1ee5 thu\u1ed9c theo c\u00e1ch th\u1ee7 c\u00f4ng.<\/p>\n

      9. Trong Vuejs, m\u1ee5c \u0111\u00edch c\u1ee7a nextTick l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

      Trong Vue.js, ph\u01b0\u01a1ng th\u1ee9c nextTick \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00ean l\u1ecbch g\u1ecdi l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi sau chu k\u1ef3 c\u1eadp nh\u1eadt DOM ti\u1ebfp theo. N\u00f3 cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng ho\u1eb7c truy c\u1eadp c\u00e1c ph\u1ea7n t\u1eed DOM \u0111\u00e3 c\u1eadp nh\u1eadt sau khi phi\u00ean b\u1ea3n Vue ho\u00e0n t\u1ea5t c\u1eadp nh\u1eadt v\u00e0 k\u1ebft xu\u1ea5t l\u1ea1i.<\/p>\n

      M\u1ee5c \u0111\u00edch c\u1ee7a nextTick l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o tr\u1ea1ng th\u00e1i DOM \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt sau khi thay \u0111\u1ed5i d\u1eef li\u1ec7u ph\u1ea3n \u1ee9ng. V\u00ec Vue.js th\u1ef1c hi\u1ec7n c\u1eadp nh\u1eadt DOM kh\u00f4ng \u0111\u1ed3ng b\u1ed9 n\u00ean vi\u1ec7c c\u1ed1 g\u1eafng truy c\u1eadp c\u00e1c ph\u1ea7n t\u1eed DOM \u0111\u00e3 c\u1eadp nh\u1eadt ngay sau khi s\u1eeda \u0111\u1ed5i d\u1eef li\u1ec7u c\u00f3 th\u1ec3 kh\u00f4ng mang l\u1ea1i cho b\u1ea1n k\u1ebft qu\u1ea3 mong mu\u1ed1n.<\/p>\n

      10. Ph\u00e2n bi\u1ec7t slots v\u00e0 scoped slots<\/strong><\/h3>\n

      Trong Vue.js, c\u1ea3 slots v\u00e0 scoped slots \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o th\u00e0nh ph\u1ea7n v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung. Tuy nhi\u00ean, ch\u00fang c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf trong c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng.<\/p>\n

      Slots: Slots cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh tr\u00ecnh gi\u1eef ch\u1ed7 trong m\u1eabu c\u1ee7a th\u00e0nh ph\u1ea7n n\u01a1i th\u00e0nh ph\u1ea7n ch\u00ednh c\u00f3 th\u1ec3 truy\u1ec1n n\u1ed9i dung. Ch\u00fang cho ph\u00e9p th\u00e0nh ph\u1ea7n g\u1ed1c \u0111\u01b0a n\u1ed9i dung \u0111\u1ed9ng v\u00e0o c\u00e1c khu v\u1ef1c c\u1ee5 th\u1ec3 c\u1ee7a th\u00e0nh ph\u1ea7n con. Slots c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean ho\u1eb7c kh\u00f4ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea3 k\u1ecbch b\u1ea3n m\u1ed9t v\u1ecb tr\u00ed v\u00e0 nhi\u1ec1u v\u1ecb tr\u00ed.<\/p>\n

      Scoped Slots: Cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb th\u00e0nh ph\u1ea7n parent sang th\u00e0nh ph\u1ea7n child \u0111\u1ed3ng th\u1eddi cho ph\u00e9p th\u00e0nh ph\u1ea7n child x\u00e1c \u0111\u1ecbnh logic k\u1ebft xu\u1ea5t. Ch\u00fang h\u1eefu \u00edch khi th\u00e0nh ph\u1ea7n child c\u1ea7n truy c\u1eadp d\u1eef li\u1ec7u t\u1eeb th\u00e0nh ph\u1ea7n parent ho\u1eb7c khi b\u1ea1n mu\u1ed1n t\u00f9y ch\u1ec9nh k\u1ebft xu\u1ea5t n\u1ed9i dung \u0111\u01b0\u1ee3c truy\u1ec1n qua khe. Scoped Slots cho ph\u00e9p linh ho\u1ea1t v\u00e0 t\u00f9y ch\u1ec9nh nhi\u1ec1u h\u01a1n so v\u1edbi c\u00e1c Slots th\u00f4ng th\u01b0\u1eddng.<\/p>\n

      11. M\u00f4 t\u1ea3 lifecycle hooks trong Vuejs<\/strong><\/h3>\n

      Trong Vue.js, lifecycle hooks hay m\u00f3c v\u00f2ng \u0111\u1eddi l\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng \u1edf c\u00e1c giai \u0111o\u1ea1n c\u1ee5 th\u1ec3 trong v\u00f2ng \u0111\u1eddi c\u1ee7a th\u00e0nh ph\u1ea7n. C\u00e1c hook n\u00e0y t\u1ea1o c\u01a1 h\u1ed9i \u0111\u1ec3 th\u1ef1c thi m\u00e3 khi m\u1ed9t s\u1ed1 s\u1ef1 ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh x\u1ea3y ra trong qu\u00e1 tr\u00ecnh t\u1ea1o, c\u1eadp nh\u1eadt ho\u1eb7c h\u1ee7y c\u1ee7a th\u00e0nh ph\u1ea7n.<\/p>\n

      D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c hook v\u00f2ng \u0111\u1eddi kh\u00e1c nhau trong Vue.js:<\/p>\n

        \n
      • beforeCreate: Hook n\u00e0y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u01b0\u1edbc khi phi\u00ean b\u1ea3n th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ea1o. \u1ede giai \u0111o\u1ea1n n\u00e0y, vi\u1ec7c quan s\u00e1t d\u1eef li\u1ec7u v\u00e0 kh\u1edfi t\u1ea1o s\u1ef1 ki\u1ec7n ch\u01b0a x\u1ea3y ra.<\/li>\n
      • created: Hook \u0111\u00e3 t\u1ea1o \u0111\u01b0\u1ee3c g\u1ecdi sau khi phi\u00ean b\u1ea3n th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o. Quan s\u00e1t d\u1eef li\u1ec7u, thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 ph\u01b0\u01a1ng th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp nh\u01b0ng th\u00e0nh ph\u1ea7n n\u00e0y ch\u01b0a \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o DOM.<\/li>\n
      • beforeMount: Hook n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c thi tr\u01b0\u1edbc khi th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o DOM. N\u00f3 cho ph\u00e9p b\u1ea1n truy c\u1eadp m\u1eabu c\u1ee7a th\u00e0nh ph\u1ea7n v\u00e0 th\u1ef1c hi\u1ec7n thi\u1ebft l\u1eadp ho\u1eb7c s\u1eeda \u0111\u1ed5i b\u1ed5 sung.<\/li>\n
      • mounted: Hook \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t khi th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o DOM. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn DOM ho\u1eb7c t\u00ecm n\u1ea1p d\u1eef li\u1ec7u b\u00ean ngo\u00e0i.<\/li>\n
      • beforeUpdate: Hook n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi tr\u01b0\u1edbc khi th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. N\u00f3 h\u1eefu \u00edch \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc khi c\u00e1c thay \u0111\u1ed5i d\u1eef li\u1ec7u ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh trong DOM.<\/li>\n
      • update: Hook update \u0111\u01b0\u1ee3c th\u1ef1c thi sau khi th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 DOM \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft xu\u1ea5t l\u1ea1i. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng sau c\u1eadp nh\u1eadt ho\u1eb7c t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c ph\u1ea7n t\u1eed DOM \u0111\u00e3 c\u1eadp nh\u1eadt.<\/li>\n
      • beforeUnmount: Hook n\u00e0y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u01b0\u1edbc khi th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ng\u1eaft k\u1ebft n\u1ed1i kh\u1ecfi DOM. N\u00f3 cho ph\u00e9p b\u1ea1n d\u1ecdn s\u1ea1ch t\u00e0i nguy\u00ean ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c c\u1ea7n thi\u1ebft.<\/li>\n
      • Unmount: Hook Unmount \u0111\u01b0\u1ee3c g\u1ecdi khi th\u00e0nh ph\u1ea7n ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ebfm kh\u1ecfi DOM. \u0110\u00e2y l\u00e0 n\u01a1i l\u00fd t\u01b0\u1edfng \u0111\u1ec3 d\u1ecdn d\u1eb9p c\u00e1c t\u00e0i nguy\u00ean kh\u00e1c.<\/li>\n<\/ul>\n

        C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs cho ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m\u00a0<\/strong><\/h2>\n

        12. T\u1ea1i sao component data ph\u1ea3i l\u00e0 m\u1ed9t function?\u00a0<\/strong><\/h3>\n

        Trong Vue.js, khi x\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u trong m\u1ed9t th\u00e0nh ph\u1ea7n, b\u1ea1n n\u00ean bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t h\u00e0m thay v\u00ec m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. L\u00fd do \u0111\u1eb1ng sau \u0111i\u1ec1u n\u00e0y l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i phi\u00ean b\u1ea3n th\u00e0nh ph\u1ea7n duy tr\u00ec b\u1ea3n sao d\u1eef li\u1ec7u b\u1ecb c\u00f4 l\u1eadp c\u1ee7a ri\u00eang n\u00f3.<\/p>\n

        Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c khai b\u00e1o l\u00e0 m\u1ed9t h\u00e0m, n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi m\u1ed7i khi m\u1ed9t phi\u00ean b\u1ea3n th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ea1o. \u0110i\u1ec1u n\u00e0y ng\u0103n vi\u1ec7c chia s\u1ebb d\u1eef li\u1ec7u gi\u1eefa nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a c\u00f9ng m\u1ed9t th\u00e0nh ph\u1ea7n, \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i phi\u00ean b\u1ea3n \u0111\u1ec1u c\u00f3 tr\u1ea1ng th\u00e1i \u0111\u1ed9c l\u1eadp.<\/p>\n

        13. Mixins l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

        Mixins trong Vue.js cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng logic th\u00e0nh ph\u1ea7n v\u00e0 chia s\u1ebb ch\u1ee9c n\u0103ng tr\u00ean nhi\u1ec1u th\u00e0nh ph\u1ea7n. Mixin l\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ee9a c\u00e1c t\u00f9y ch\u1ecdn th\u00e0nh ph\u1ea7n nh\u01b0 d\u1eef li\u1ec7u, t\u00ednh to\u00e1n, ph\u01b0\u01a1ng th\u1ee9c v\u00e0 hook v\u00f2ng \u0111\u1eddi. C\u00e1c t\u00f9y ch\u1ecdn n\u00e0y \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn t\u01b0\u01a1ng \u1ee9ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n s\u1eed d\u1ee5ng mixin.<\/p>\n

        B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng mixin, b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p m\u00e3 v\u00e0 th\u00fac \u0111\u1ea9y t\u00e1i s\u1eed d\u1ee5ng m\u00e3. N\u00f3 cho ph\u00e9p b\u1ea1n tr\u00edch xu\u1ea5t ch\u1ee9c n\u0103ng ph\u1ed5 bi\u1ebfn th\u00e0nh c\u00e1c mixin c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 \u00e1p d\u1ee5ng ch\u00fang cho nhi\u1ec1u th\u00e0nh ph\u1ea7n khi c\u1ea7n.<\/p>\n

        14. Nh\u1eefng l\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng Vuejs Mixins l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

        S\u1eed d\u1ee5ng mixin trong Vue.js mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf nh\u1ea5t \u0111\u1ecbnh:<\/p>\n

          \n
        • Kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng l\u1ea1i m\u00e3: Mixin cho ph\u00e9p b\u1ea1n tr\u00edch xu\u1ea5t ch\u1ee9c n\u0103ng ph\u1ed5 bi\u1ebfn th\u00e0nh c\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, gi\u1ea3m sao ch\u00e9p m\u00e3 v\u00e0 th\u00fac \u0111\u1ea9y m\u00e3 s\u1ea1ch h\u01a1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/li>\n
        • T\u00ednh m\u00f4-\u0111un: Mixins cung c\u1ea5p c\u00e1ch ti\u1ebfp c\u1eadn m\u00f4-\u0111un cho th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh. B\u1ea1n c\u00f3 th\u1ec3 tr\u1ed9n v\u00e0 k\u1ebft h\u1ee3p nhi\u1ec1u mixin \u0111\u1ec3 t\u1ea1o th\u00e0nh ph\u1ea7n v\u1edbi c\u00e1c k\u1ebft h\u1ee3p t\u00ednh n\u0103ng v\u00e0 h\u00e0nh vi kh\u00e1c nhau.<\/li>\n
        • T\u00ednh linh ho\u1ea1t: Mixin cho ph\u00e9p b\u1ea1n \u00e1p d\u1ee5ng c\u00f3 ch\u1ecdn l\u1ecdc ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 cho c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau. B\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nhi\u1ec1u mixin cho m\u1ed9t th\u00e0nh ph\u1ea7n ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c mixin kh\u00e1c nhau trong c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/li>\n
        • Kh\u1ea3 n\u0103ng chia s\u1ebb: Mixin c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia s\u1ebb tr\u00ean nhi\u1ec1u d\u1ef1 \u00e1n ho\u1eb7c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00e1c. Ch\u00fang cung c\u1ea5p gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng chia s\u1ebb v\u00e0 t\u00edch h\u1ee3p v\u00e0o c\u00e1c \u1ee9ng d\u1ee5ng Vue.js kh\u00e1c nhau.<\/li>\n<\/ul>\n

          15. Virtual DOM l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

          Virtual DOM (VDOM) l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m v\u00e0 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c Vue.js v\u00e0 c\u00e1c khung JavaScript hi\u1ec7n \u0111\u1ea1i kh\u00e1c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a v\u00e0 c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

          VDOM l\u00e0 m\u1ed9t \u0111\u1ea1i di\u1ec7n trong b\u1ed9 nh\u1edb c\u1ee7a DOM th\u1ef1c t\u1ebf. N\u00f3 ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t b\u1ea3n sao \u1ea3o c\u1ee7a DOM th\u1ef1c v\u00e0 ph\u1ea3n \u00e1nh tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. B\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u ho\u1eb7c th\u00e0nh ph\u1ea7n trong Vue.js, VDOM s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt t\u01b0\u01a1ng \u1ee9ng.<\/p>\n

          B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng VDOM, Vue.js c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thu\u1eadt to\u00e1n t\u00ecm kh\u00e1c bi\u1ec7t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng thao t\u00e1c DOM t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ed1 l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng DOM th\u1ef1c t\u1ebf, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i.<\/p>\n

          16. Li\u1ec7t k\u00ea c\u00e1c lo\u1ea1i Directives (ch\u1ec9 th\u1ecb) c\u00f3 s\u1eb5n trong Vuejs<\/strong><\/h3>\n

          Vue.js cung c\u1ea5p nhi\u1ec1u ch\u1ec9 th\u1ecb t\u00edch h\u1ee3p s\u1eb5n kh\u00e1c nhau cho ph\u00e9p b\u1ea1n \u00e1p d\u1ee5ng h\u00e0nh vi \u0111\u1eb7c bi\u1ec7t cho c\u00e1c ph\u1ea7n t\u1eed trong DOM. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ec9 th\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Vue.js:<\/p>\n

            \n
          • v-if: K\u1ebft xu\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n m\u1ed9t ph\u1ea7n t\u1eed d\u1ef1a tr\u00ean t\u00ednh trung th\u1ef1c c\u1ee7a bi\u1ec3u th\u1ee9c.<\/li>\n
          • v-for: L\u1eb7p l\u1ea1i m\u1ed9t m\u1ea3ng ho\u1eb7c \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 hi\u1ec3n th\u1ecb ph\u1ea7n t\u1eed cho t\u1eebng m\u1ee5c.<\/li>\n
          • v-bind (ho\u1eb7c :): Li\u00ean k\u1ebft thu\u1ed9c t\u00ednh ho\u1eb7c thu\u1ed9c t\u00ednh c\u1ee7a ph\u1ea7n t\u1eed v\u1edbi bi\u1ec3u th\u1ee9c ho\u1eb7c d\u1eef li\u1ec7u th\u00e0nh ph\u1ea7n.<\/li>\n
          • v-on (ho\u1eb7c @): L\u1eafng nghe m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh v\u00e0 k\u00edch ho\u1ea1t m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c ho\u1eb7c bi\u1ec3u th\u1ee9c khi s\u1ef1 ki\u1ec7n x\u1ea3y ra.<\/li>\n
          • v-model: T\u1ea1o li\u00ean k\u1ebft hai chi\u1ec1u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ea7u v\u00e0o c\u1ee7a bi\u1ec3u m\u1eabu v\u00e0 d\u1eef li\u1ec7u th\u00e0nh ph\u1ea7n.<\/li>\n
          • v-show: Chuy\u1ec3n \u0111\u1ed5i m\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb c\u1ee7a m\u1ed9t ph\u1ea7n t\u1eed d\u1ef1a tr\u00ean t\u00ednh trung th\u1ef1c c\u1ee7a bi\u1ec3u th\u1ee9c.<\/li>\n
          • v-text: C\u1eadp nh\u1eadt n\u1ed9i dung v\u0103n b\u1ea3n c\u1ee7a ph\u1ea7n t\u1eed v\u1edbi gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c.<\/li>\n
          • v-html: C\u1eadp nh\u1eadt HTML b\u00ean trong c\u1ee7a ph\u1ea7n t\u1eed v\u1edbi gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c, cho ph\u00e9p hi\u1ec3n th\u1ecb n\u1ed9i dung HTML.<\/li>\n<\/ul>\n

            17. Vue plugin l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

            Trong Vue.js, plugin l\u00e0 m\u1ed9t ph\u1ea7n ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u1ee9ng d\u1ee5ng Vue. C\u00e1c plugin n\u00e2ng cao ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a Vue b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng, th\u00e0nh ph\u1ea7n, ch\u1ec9 th\u1ecb ho\u1eb7c ph\u01b0\u01a1ng th\u1ee9c b\u1ed5 sung.<\/p>\n

            M\u1ed9t plugin Vue th\u01b0\u1eddng th\u00eam ch\u1ee9c n\u0103ng c\u1ea5p global c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp tr\u00ean to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng. N\u00f3 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng nguy\u00ean m\u1eabu c\u1ee7a Vue, \u0111\u0103ng k\u00fd c\u00e1c th\u00e0nh ph\u1ea7n ho\u1eb7c ch\u1ec9 th\u1ecb global hay cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng ti\u1ec7n \u00edch global.<\/p>\n

            18. Watchers l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

            Watchers hay ng\u01b0\u1eddi theo d\u00f5i trong Vue.js l\u00e0 m\u1ed9t t\u00ednh n\u0103ng cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i trong m\u1ed9t ph\u1ea7n d\u1eef li\u1ec7u ph\u1ea3n \u1ee9ng c\u1ee5 th\u1ec3. Ch\u00fang cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c \u0111\u1ec3 quan s\u00e1t v\u00e0 ph\u1ea3n \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i trong d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n g\u1ecdi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng ho\u1eb7c d\u1ef1a v\u00e0o c\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n.<\/p>\n

            Tr\u00ecnh theo d\u00f5i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong c\u00e1c t\u00f9y ch\u1ecdn c\u1ee7a th\u00e0nh ph\u1ea7n v\u00e0 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi thu\u1ed9c t\u00ednh d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 ho\u1eb7c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n. B\u1ea5t c\u1ee9 khi n\u00e0o thu\u1ed9c t\u00ednh \u0111\u00e3 xem thay \u0111\u1ed5i, h\u00e0m x\u1eed l\u00fd c\u1ee7a tr\u00ecnh theo d\u00f5i s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi, cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n logic t\u00f9y ch\u1ec9nh ho\u1eb7c k\u00edch ho\u1ea1t c\u00e1c h\u00e0nh \u0111\u1ed9ng b\u1ed5 sung.<\/p>\n

            19. Vue-loader l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

            Vue-loader l\u00e0 m\u1ed9t tr\u00ecnh t\u1ea3i d\u00e0nh cho webpack, m\u1ed9t g\u00f3i m\u00f4-\u0111un ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng JavaScript. Vue-loader cho ph\u00e9p b\u1ea1n vi\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n Vue \u1edf m\u1ed9t \u0111\u1ecbnh d\u1ea1ng t\u1ec7p duy nh\u1ea5t v\u00e0 bi\u00ean d\u1ecbch ch\u00fang th\u00e0nh c\u00e1c m\u00f4-\u0111un JavaScript c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi webpack.<\/p>\n

            V\u1edbi Vue-loader, b\u1ea1n c\u00f3 th\u1ec3 vi\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n Vue b\u1eb1ng \u0111\u1ecbnh d\u1ea1ng Th\u00e0nh ph\u1ea7n t\u1ec7p \u0111\u01a1n (SFC). SFC l\u00e0 m\u1ed9t t\u1ec7p \u0111\u00f3ng g\u00f3i m\u1eabu, t\u1eadp l\u1ec7nh v\u00e0 ki\u1ec3u c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n v\u00e0o m\u1ed9t t\u1ec7p duy nh\u1ea5t c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng .vue.<\/p>\n

            20. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a Vuejs<\/strong><\/h3>\n

            \u0110\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng Vue.js, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 sau:<\/p>\n

              \n
            • T\u1ed1i \u01b0u h\u00f3a k\u1ebft xu\u1ea5t th\u00e0nh ph\u1ea7n: Gi\u1ea3m thi\u1ec3u k\u1ebft xu\u1ea5t kh\u00f4ng c\u1ea7n thi\u1ebft b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, ghi nh\u1edb v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ee9c n\u0103ng k\u1ebft xu\u1ea5t c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee9c t\u1ea1p.<\/li>\n
            • S\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh kh\u00f3a: Khi hi\u1ec3n th\u1ecb danh s\u00e1ch v\u1edbi v-for, h\u00e3y s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh kh\u00f3a \u0111\u1ec3 gi\u00fap Vue.js theo d\u00f5i v\u00e0 c\u1eadp nh\u1eadt c\u00e1c m\u1ee5c danh s\u00e1ch ri\u00eang l\u1ebb m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n
            • C\u00e1c th\u00e0nh ph\u1ea7n t\u1ea3i ch\u1eadm: Ch\u1ec9 t\u1ea3i c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng \u0111\u1ed3ng b\u1ed9 khi c\u1ea7n, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng hi\u1ec3n th\u1ecb ngay tr\u00ean trang.<\/li>\n
            • S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ghi nh\u1edb: B\u1ed9 nh\u1edb \u0111\u1ec7m v\u00e0 ghi nh\u1edb c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1eaft ti\u1ec1n ho\u1eb7c c\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u0111\u1ec3 tr\u00e1nh c\u00e1c ph\u00e9p t\u00ednh d\u01b0 th\u1eeba.<\/li>\n
            • T\u1ed1i \u01b0u h\u00f3a c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng: Gi\u1ea3m thi\u1ec3u s\u1ed1 l\u01b0\u1ee3ng y\u00eau c\u1ea7u m\u1ea1ng b\u1eb1ng c\u00e1ch tri\u1ec3n khai b\u1ed9 nh\u1edb \u0111\u1ec7m d\u1eef li\u1ec7u, s\u1eed d\u1ee5ng c\u00e1c ti\u00eau \u0111\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m HTTP th\u00edch h\u1ee3p v\u00e0 g\u00f3i n\u1ed9i dung t\u0129nh.<\/li>\n
            • Tr\u00e1nh d\u1eef li\u1ec7u ph\u1ea3n \u1ee9ng qu\u00e1 m\u1ee9c: H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng trong Vue.js. Tr\u00e1nh ph\u1ea3n \u1ee9ng qu\u00e1 m\u1ee9c ho\u1eb7c tr\u00ecnh theo d\u00f5i thu\u1ed9c t\u00ednh \u0111\u1ed1i t\u01b0\u1ee3ng s\u00e2u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n

              K\u1ebft lu\u1eadn<\/strong>\u00a0<\/h2>\n

              V\u1eady l\u00e0 Masterskills \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t. Cho d\u00f9 b\u1ea1n l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi ra tr\u01b0\u1eddng hay \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1 n\u00e0y s\u1ebd gi\u00fap b\u1ea1n chu\u1ea9n b\u1ecb t\u1ed1t nh\u1ea5t cho c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n Vue.js v\u00e0 n\u00e2ng cao ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea1n v\u1ec1 framework.<\/p>\n

              N\u1ebfu b\u1ea1n 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 b\u1ed5 \u00edch kh\u00e1c nh\u00e9!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

              Trong b\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, Masterskills s\u1ebd g\u1eedi \u0111\u1ebfn b\u1ea1n top c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Vuejs ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u1ebfu b\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho m\u1ed9t cu\u1ed9c ph\u1ecfng v\u1ea5n xin vi\u1ec7c Vue.js ho\u1eb7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 mu\u1ed1n n\u00e2ng cao ki\u1ebfn th\u1ee9c v\u1ec1 Vue.js, b\u1ea1n c\u1ea7n l\u00e0m quen v\u1edbi c\u00e1c c\u00e2u h\u1ecfi m\u00e0 […]<\/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\/49904"}],"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=49904"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/49904\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=49904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=49904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=49904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}