{"id":9426,"date":"2025-04-17T11:08:55","date_gmt":"2025-04-17T04:08:55","guid":{"rendered":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/?p=9426"},"modified":"2026-03-27T17:21:04","modified_gmt":"2026-03-27T10:21:04","slug":"flex-css-la-gi","status":"publish","type":"post","link":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/tu-van-nghe-nghiep\/flex-css-la-gi","title":{"rendered":"Flex CSS l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, thu\u1ed9c t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf Flexbox"},"content":{"rendered":"\n

Qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng giao di\u1ec7n web \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t b\u1ed1 c\u1ee5c linh ho\u1ea1t nh\u1eb1m t\u1ed1i \u01b0u tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. C\u00e2u h\u1ecfi flex CSS l\u00e0 g\u00ec<\/strong> th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 thay th\u1ebf cho c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u0103n ch\u1ec9nh truy\u1ec1n th\u1ed1ng. Kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 s\u1eafp x\u1ebfp ph\u1ea7n t\u1eed m\u1ed9t c\u00e1ch tr\u1ef1c quan, k\u1ef9 thu\u1eadt n\u00e0y c\u00f2n mang l\u1ea1i s\u1ef1 \u0111\u01a1n gi\u1ea3n h\u00f3a trong vi\u1ec7c t\u1ea1o c\u00e1c layout ph\u1ea3n h\u1ed3i t\u1ed1t tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

\"Flex<\/figure>\n\n\n\n

Flex CSS l\u00e0 g\u00ec?<\/h2>\n\n\n\n
\n

Flex CSS (vi\u1ebft t\u1eaft c\u1ee7a Flexible Box Layout Module, th\u01b0\u1eddng g\u1ecdi l\u00e0 Flexbox) l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt b\u1ed1 c\u1ee5c trong CSS gi\u00fap s\u1eafp x\u1ebfp, c\u0103n ch\u1ec9nh v\u00e0 ph\u00e2n ph\u1ed1i kh\u00f4ng gian gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed trong m\u1ed9t container m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3.<\/strong><\/p>\n<\/blockquote>\n\n\n\n

Thay v\u00ec ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng nh\u01b0 float, inline-block hay table, Flexbox cho ph\u00e9p b\u1ea1n ki\u1ec3m so\u00e1t to\u00e0n di\u1ec7n v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc, h\u01b0\u1edbng v\u00e0 tr\u1ee5c c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed con \u2013 k\u1ec3 c\u1ea3 khi ch\u00fang thay \u0111\u1ed5i v\u1ec1 n\u1ed9i dung ho\u1eb7c k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n

Flex CSS \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c x\u00e2y d\u1ef1ng layout ph\u1ea3n h\u1ed3i (responsive layout) \u2013 khi m\u00e0 b\u1ed1 c\u1ee5c c\u1ea7n t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh kh\u00e1c nhau. Ch\u1ec9 v\u1edbi m\u1ed9t v\u00e0i d\u00f2ng CSS, Flexbox c\u00f3 th\u1ec3 gi\u00fap c\u0103n gi\u1eefa ph\u1ea7n t\u1eed, gi\u00e3n \u0111\u1ec1u c\u00e1c m\u1ee5c trong thanh menu, \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 co gi\u00e3n c\u1ee7a c\u1ed9t h\u00e0ng, hay s\u1eafp x\u1ebfp l\u1ea1i th\u1ee9 t\u1ef1 ph\u1ea7n t\u1eed tr\u00ean giao di\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i HTML.<\/p>\n\n\n\n

Flexbox \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m kh\u1eafc ph\u1ee5c nh\u1eefng b\u1ea5t ti\u1ec7n trong c\u00e1ch b\u1ed1 c\u1ee5c truy\u1ec1n th\u1ed1ng. Tr\u01b0\u1edbc khi Flexbox xu\u1ea5t hi\u1ec7n, vi\u1ec7c c\u0103n gi\u1eefa ph\u1ea7n t\u1eed theo c\u1ea3 chi\u1ec1u ngang v\u00e0 d\u1ecdc l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn. Float th\u01b0\u1eddng khi\u1ebfn layout d\u1ec5 v\u1ee1 khi n\u1ed9i dung thay \u0111\u1ed5i, trong khi table layout kh\u00f4ng linh ho\u1ea1t v\u00e0 kh\u00f3 duy tr\u00ec. Flexbox ra \u0111\u1eddi \u0111\u1ec3 gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u00f3, mang l\u1ea1i m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7n \u0111\u1ea1i, d\u1ec5 vi\u1ebft, d\u1ec5 \u0111\u1ecdc v\u00e0 d\u1ec5 m\u1edf r\u1ed9ng cho c\u1ea3 thi\u1ebft k\u1ebf c\u1ed1 \u0111\u1ecbnh l\u1eabn responsive. T\u1eeb khi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i, Flexbox \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong CSS hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

C\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a Flexbox<\/h2>\n\n\n\n

\u0110\u1ec3 hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng Flexbox hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng ba y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i: Flex Container, Flex Item v\u00e0 h\u1ec7 tr\u1ee5c b\u1ed1 c\u1ee5c. Nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n v\u1ecb tr\u00ed, h\u01b0\u1edbng v\u00e0 s\u1ef1 ph\u00e2n b\u1ed5 kh\u00f4ng gian gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed trong m\u1ed9t b\u1ed1 c\u1ee5c linh ho\u1ea1t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft t\u1eebng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a Flexbox.<\/p>\n\n\n\n

Kh\u00e1i ni\u1ec7m Flex Container v\u00e0 Flex Item<\/h3>\n\n\n\n

Khi b\u1ea1n \u00e1p d\u1ee5ng thu\u1ed9c t\u00ednh display: flex cho m\u1ed9t ph\u1ea7n t\u1eed HTML, ph\u1ea7n t\u1eed \u0111\u00f3 tr\u1edf th\u00e0nh Flex Container \u2013 \u0111\u00f3ng vai tr\u00f2 l\u00e0 v\u00f9ng ch\u1ee9a c\u00e1c ph\u1ea7n t\u1eed con. C\u00e1c ph\u1ea7n t\u1eed tr\u1ef1c ti\u1ebfp b\u00ean trong n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Flex Item.<\/p>\n\n\n\n

V\u00ed d\u1ee5:<\/p>\n\n\n\n

html<\/p>\n\n\n\n

<div class=”container”><\/p>\n\n\n\n

  <div class=”item”>A<\/div><\/p>\n\n\n\n

  <div class=”item”>B<\/div><\/p>\n\n\n\n

  <div class=”item”>C<\/div><\/p>\n\n\n\n

<\/div><\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  display: flex;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

Trong v\u00ed d\u1ee5 tr\u00ean, .container l\u00e0 Flex Container, c\u00f2n c\u00e1c .item l\u00e0 Flex Item.<\/p>\n\n\n\n

Flex Container ch\u1ecbu tr\u00e1ch nhi\u1ec7m ki\u1ec3m so\u00e1t c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c Flex Item \u2013 ch\u1eb3ng h\u1ea1n nh\u01b0 theo chi\u1ec1u ngang, chi\u1ec1u d\u1ecdc, c\u00f3 cho ph\u00e9p xu\u1ed1ng d\u00f2ng hay kh\u00f4ng, v\u00e0 c\u0103n ch\u1ec9nh nh\u01b0 th\u1ebf n\u00e0o. C\u00e1c Flex Item c\u00f3 th\u1ec3 co gi\u00e3n, thay \u0111\u1ed5i th\u1ee9 t\u1ef1, ho\u1eb7c c\u0103n gi\u1eefa m\u1ed9t c\u00e1ch linh ho\u1ea1t m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u1ea5u tr\u00fac HTML.<\/p>\n\n\n\n

Tr\u1ee5c ch\u00ednh (Main Axis) v\u00e0 tr\u1ee5c ph\u1ee5 (Cross Axis)<\/h3>\n\n\n\n

Khi l\u00e0m vi\u1ec7c v\u1edbi Flexbox, b\u1ea1n s\u1ebd nghe nh\u1eafc \u0111\u1ebfn hai kh\u00e1i ni\u1ec7m quan tr\u1ecdng: Main Axis (tr\u1ee5c ch\u00ednh) v\u00e0 Cross Axis (tr\u1ee5c ph\u1ee5). \u0110\u00e2y l\u00e0 c\u00e1ch Flexbox x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng s\u1eafp x\u1ebfp v\u00e0 c\u0103n ch\u1ec9nh c\u00e1c ph\u1ea7n t\u1eed.<\/p>\n\n\n\n

Main Axis: L\u00e0 tr\u1ee5c ch\u00ednh m\u00e0 c\u00e1c Flex Item \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo. Tr\u1ee5c n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o thu\u1ed9c t\u00ednh flex-direction. M\u1eb7c \u0111\u1ecbnh l\u00e0 theo chi\u1ec1u ngang t\u1eeb tr\u00e1i sang ph\u1ea3i (row).<\/p>\n\n\n\n

Cross Axis: L\u00e0 tr\u1ee5c vu\u00f4ng g\u00f3c v\u1edbi Main Axis. N\u1ebfu flex-direction: row, th\u00ec Cross Axis s\u1ebd l\u00e0 chi\u1ec1u d\u1ecdc.<\/p>\n\n\n\n

Hi\u1ec3u r\u00f5 h\u1ec7 tr\u1ee5c gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh c\u00e1c thu\u1ed9c t\u00ednh nh\u01b0 justify-content, align-items hay align-content \u0111\u1ec3 b\u1ed1 c\u1ee5c ch\u00ednh x\u00e1c nh\u01b0 mong mu\u1ed1n.<\/p>\n\n\n\n

Thu\u1eadt ng\u1eef li\u00ean quan: main-start, main-end, cross-start, cross-end<\/h3>\n\n\n\n

Flexbox s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 thu\u1eadt ng\u1eef \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac tr\u00ean c\u00e1c tr\u1ee5c:<\/p>\n\n\n\n

main-start: \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a tr\u1ee5c ch\u00ednh (v\u00ed d\u1ee5: b\u00ean tr\u00e1i n\u1ebfu l\u00e0 row).<\/p>\n\n\n\n

main-end: \u0111i\u1ec3m k\u1ebft th\u00fac c\u1ee7a tr\u1ee5c ch\u00ednh.<\/p>\n\n\n\n

cross-start: \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

cross-end: \u0111i\u1ec3m k\u1ebft th\u00fac c\u1ee7a tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

Nh\u1eefng thu\u1eadt ng\u1eef n\u00e0y gi\u00fap \u0111\u1ecbnh h\u01b0\u1edbng v\u1ecb tr\u00ed v\u00e0 d\u00f2ng ch\u1ea3y c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed trong b\u1ed1 c\u1ee5c Flexbox, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh c\u0103n ch\u1ec9nh ho\u1eb7c khi c\u1ea7n \u0111\u1ea3o chi\u1ec1u s\u1eafp x\u1ebfp (flex-direction: row-reverse, column-reverse).<\/p>\n\n\n\n

C\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a Flex Container<\/h2>\n\n\n\n

Sau khi ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c khai b\u00e1o l\u00e0 display: flex, b\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1ch c\u00e1c ph\u1ea7n t\u1eed con (Flex Item) s\u1eafp x\u1ebfp v\u00e0 gi\u00e3n n\u1edf th\u00f4ng qua nhi\u1ec1u thu\u1ed9c t\u00ednh kh\u00e1c nhau c\u1ee7a Flex Container. Nh\u1eefng thu\u1ed9c t\u00ednh n\u00e0y cho ph\u00e9p b\u1ea1n ki\u1ec3m so\u00e1t h\u01b0\u1edbng, \u0111\u1ed9 bao, kho\u1ea3ng c\u00e1ch v\u00e0 c\u0103n ch\u1ec9nh gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

display<\/h3>\n\n\n\n

Thu\u1ed9c t\u00ednh quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 kh\u1edfi t\u1ea1o Flexbox l\u00e0 display. Khi \u0111\u1eb7t display: flex, ph\u1ea7n t\u1eed tr\u1edf th\u00e0nh Flex Container v\u00e0 c\u00e1c ph\u1ea7n t\u1eed con tr\u1ef1c ti\u1ebfp b\u00ean trong n\u00f3 tr\u1edf th\u00e0nh Flex Item.<\/p>\n\n\n\n

V\u00ed d\u1ee5:<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  display: flex;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

flex-direction<\/h3>\n\n\n\n

X\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng ch\u00ednh (Main Axis) m\u00e0 c\u00e1c Flex Item \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp.<\/p>\n\n\n\n

row (m\u1eb7c \u0111\u1ecbnh): s\u1eafp x\u1ebfp theo chi\u1ec1u ngang, t\u1eeb tr\u00e1i sang ph\u1ea3i.<\/p>\n\n\n\n

row-reverse: chi\u1ec1u ngang t\u1eeb ph\u1ea3i sang tr\u00e1i.<\/p>\n\n\n\n

column: s\u1eafp x\u1ebfp theo chi\u1ec1u d\u1ecdc, t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n\n\n\n

column-reverse: t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  flex-direction: row; \/* ho\u1eb7c column *\/<\/p>\n\n\n\n

}<\/p>\n\n\n\n

flex-wrap<\/h3>\n\n\n\n

Cho ph\u00e9p c\u00e1c Flex Item t\u1ef1 \u0111\u1ed9ng xu\u1ed1ng d\u00f2ng n\u1ebfu kh\u00f4ng \u0111\u1ee7 kh\u00f4ng gian.<\/p>\n\n\n\n

nowrap (m\u1eb7c \u0111\u1ecbnh): kh\u00f4ng xu\u1ed1ng d\u00f2ng.<\/p>\n\n\n\n

wrap: xu\u1ed1ng d\u00f2ng t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n\n\n\n

wrap-reverse: xu\u1ed1ng d\u00f2ng t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  flex-wrap: wrap;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

flex-flow<\/h3>\n\n\n\n

L\u00e0 vi\u1ebft t\u1eaft c\u1ee7a hai thu\u1ed9c t\u00ednh: flex-direction v\u00e0 flex-wrap. Gi\u00fap vi\u1ebft g\u1ecdn h\u01a1n.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  flex-flow: row wrap;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

justify-content<\/h3>\n\n\n\n

C\u0103n ch\u1ec9nh c\u00e1c Flex Item tr\u00ean tr\u1ee5c ch\u00ednh (Main Axis).<\/p>\n\n\n\n

flex-start: c\u0103n v\u1ec1 \u0111\u1ea7u tr\u1ee5c.<\/p>\n\n\n\n

flex-end: c\u0103n v\u1ec1 cu\u1ed1i tr\u1ee5c.<\/p>\n\n\n\n

center: c\u0103n gi\u1eefa.<\/p>\n\n\n\n

space-between: gi\u00e3n \u0111\u1ec1u, ph\u1ea7n t\u1eed \u0111\u1ea7u\/ cu\u1ed1i s\u00e1t m\u00e9p.<\/p>\n\n\n\n

space-around: gi\u00e3n \u0111\u1ec1u, c\u00f3 kho\u1ea3ng c\u00e1ch hai b\u00ean.<\/p>\n\n\n\n

space-evenly: kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed b\u1eb1ng nhau.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  justify-content: space-between;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

align-items<\/h3>\n\n\n\n

C\u0103n ch\u1ec9nh c\u00e1c Flex Item theo tr\u1ee5c ph\u1ee5 (Cross Axis).<\/p>\n\n\n\n

stretch (m\u1eb7c \u0111\u1ecbnh): gi\u00e3n \u0111\u1ea7y chi\u1ec1u cao\/ r\u1ed9ng c\u1ee7a container.<\/p>\n\n\n\n

flex-start: c\u0103n v\u1ec1 \u0111\u1ea7u tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

flex-end: c\u0103n v\u1ec1 cu\u1ed1i tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

center: c\u0103n gi\u1eefa tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

baseline: c\u0103n theo \u0111\u01b0\u1eddng baseline c\u1ee7a v\u0103n b\u1ea3n.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  align-items: center;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

align-content<\/h3>\n\n\n\n

Ch\u1ec9 \u00e1p d\u1ee5ng khi c\u00f3 nhi\u1ec1u h\u00e0ng Flex Item (t\u1ee9c l\u00e0 khi flex-wrap: wrap). Thu\u1ed9c t\u00ednh n\u00e0y \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c d\u00f2ng tr\u00ean tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

flex-start, flex-end, center, space-between, space-around, stretch.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.container {<\/p>\n\n\n\n

  align-content: space-around;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

\n

Xem th\u00eam: Vi\u1ec7c l\u00e0m PHP<\/a> ta\u0323i Careerlink.vn<\/p>\n<\/blockquote>\n\n\n\n

C\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a Flex Item<\/h2>\n\n\n\n

Trong m\u00f4 h\u00ecnh Flexbox, m\u1ed7i ph\u1ea7n t\u1eed con b\u00ean trong Flex Container \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Flex Item. Ngo\u00e0i vi\u1ec7c k\u1ebf th\u1eeba c\u00e1ch s\u1eafp x\u1ebfp t\u1eeb Container, c\u00e1c Flex Item c\u00f2n c\u00f3 th\u1ec3 t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc, th\u1ee9 t\u1ef1 v\u00e0 v\u1ecb tr\u00ed hi\u1ec3n th\u1ecb th\u00f4ng qua m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh ri\u00eang bi\u1ec7t d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n

order<\/h3>\n\n\n\n

X\u00e1c \u0111\u1ecbnh th\u1ee9 t\u1ef1 hi\u1ec3n th\u1ecb c\u1ee7a Flex Item. Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh l\u00e0 0. Ph\u1ea7n t\u1eed n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb order nh\u1ecf h\u01a1n s\u1ebd hi\u1ec3n th\u1ecb tr\u01b0\u1edbc.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  order: 2;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

V\u00ed d\u1ee5: M\u1ed9t ph\u1ea7n t\u1eed c\u00f3 order: -1 s\u1ebd xu\u1ea5t hi\u1ec7n tr\u01b0\u1edbc c\u00e1c ph\u1ea7n t\u1eed c\u00f3 gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh 0.<\/p>\n\n\n\n

flex-grow<\/h3>\n\n\n\n

Cho bi\u1ebft m\u1ee9c \u0111\u1ed9 gi\u00e3n ra c\u1ee7a ph\u1ea7n t\u1eed khi c\u00f3 kh\u00f4ng gian th\u1eeba trong Flex Container.<\/p>\n\n\n\n

0 (m\u1eb7c \u0111\u1ecbnh): kh\u00f4ng gi\u00e3n ra.<\/p>\n\n\n\n

1: ph\u1ea7n t\u1eed c\u00f3 th\u1ec3 gi\u00e3n \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kh\u00f4ng gian c\u00f2n l\u1ea1i.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  flex-grow: 1;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

Khi nhi\u1ec1u ph\u1ea7n t\u1eed c\u00f3 flex-grow, c\u00e1c ph\u1ea7n t\u1eed s\u1ebd chia nhau kh\u00f4ng gian th\u1eeba theo t\u1ec9 l\u1ec7 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n

flex-shrink<\/h3>\n\n\n\n

X\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng thu nh\u1ecf l\u1ea1i c\u1ee7a ph\u1ea7n t\u1eed khi kh\u00f4ng gian b\u1ecb thu h\u1eb9p.<\/p>\n\n\n\n

1 (m\u1eb7c \u0111\u1ecbnh): cho ph\u00e9p thu nh\u1ecf.<\/p>\n\n\n\n

0: kh\u00f4ng cho thu nh\u1ecf.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  flex-shrink: 0;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

flex-basis<\/h3>\n\n\n\n

X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n ban \u0111\u1ea7u c\u1ee7a Flex Item tr\u01b0\u1edbc khi flex-grow ho\u1eb7c flex-shrink \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n. C\u00f3 th\u1ec3 l\u00e0 auto, %, px…<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  flex-basis: 200px;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

flex<\/h3>\n\n\n\n

L\u00e0 thu\u1ed9c t\u00ednh vi\u1ebft t\u1eaft c\u1ee7a ba thu\u1ed9c t\u00ednh: flex-grow, flex-shrink, v\u00e0 flex-basis.<\/p>\n\n\n\n

C\u00fa ph\u00e1p:<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  flex: 1 0 100px; \/* grow: 1, shrink: 0, basis: 100px *\/<\/p>\n\n\n\n

}<\/p>\n\n\n\n

B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 d\u00f9ng:<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  flex: 1; \/* t\u01b0\u01a1ng \u0111\u01b0\u01a1ng flex: 1 1 0 *\/<\/p>\n\n\n\n

}<\/p>\n\n\n\n

align-self<\/h3>\n\n\n\n

Ghi \u0111\u00e8 align-items \u1edf Flex Container, cho ph\u00e9p m\u1ed9t ph\u1ea7n t\u1eed t\u1ef1 c\u0103n ch\u1ec9nh tr\u1ee5c ph\u1ee5 (Cross Axis) ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n

css<\/p>\n\n\n\n

.item {<\/p>\n\n\n\n

  align-self: flex-end;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

C\u00e1c gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng: auto, flex-start, flex-end, center, baseline, stretch.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u1edbi Flex<\/h2>\n\n\n\n

Flexbox kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m l\u00fd thuy\u1ebft trong CSS, m\u00e0 c\u00f2n l\u00e0 c\u00f4ng c\u1ee5 c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd trong vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c b\u1ed1 c\u1ee5c giao di\u1ec7n th\u1ef1c t\u1ebf. T\u1eeb menu \u0111i\u1ec1u h\u01b0\u1edbng, b\u1ed1 c\u1ee5c s\u1ea3n ph\u1ea9m \u0111\u1ebfn thi\u1ebft k\u1ebf responsive \u2013 t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 tri\u1ec3n khai d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng v\u1edbi Flexbox. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh cho vi\u1ec7c \u00e1p d\u1ee5ng Flex v\u00e0o ph\u00e1t tri\u1ec3n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

T\u1ea1o thanh \u0111i\u1ec1u h\u01b0\u1edbng ngang<\/h3>\n\n\n\n

M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a Flex l\u00e0 t\u1ea1o menu ngang v\u1edbi c\u00e1c m\u1ee5c c\u00e1ch \u0111\u1ec1u nhau, c\u0103n gi\u1eefa v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng gi\u00e3n theo chi\u1ec1u r\u1ed9ng tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n

html<\/p>\n\n\n\n

<nav class=”navbar”><\/p>\n\n\n\n

  <a href=”#”>Trang ch\u1ee7<\/a><\/p>\n\n\n\n

  <a href=”#”>S\u1ea3n ph\u1ea9m<\/a><\/p>\n\n\n\n

  <a href=”#”>Li\u00ean h\u1ec7<\/a><\/p>\n\n\n\n

<\/nav><\/p>\n\n\n\n

css<\/p>\n\n\n\n

.navbar {<\/p>\n\n\n\n

  display: flex;<\/p>\n\n\n\n

  justify-content: space-around;<\/p>\n\n\n\n

  background-color: #f2f2f2;<\/p>\n\n\n\n

  padding: 10px;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

.navbar a {<\/p>\n\n\n\n

  text-decoration: none;<\/p>\n\n\n\n

  color: #333;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

V\u1edbi display: flex v\u00e0 justify-content: space-around, c\u00e1c li\u00ean k\u1ebft s\u1ebd \u0111\u01b0\u1ee3c gi\u00e3n \u0111\u1ec1u theo chi\u1ec1u ngang m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd margin ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n

B\u1ed1 c\u1ee5c th\u1ebb s\u1ea3n ph\u1ea9m trong trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/h3>\n\n\n\n

Flexbox gi\u00fap s\u1eafp x\u1ebfp c\u00e1c th\u1ebb s\u1ea3n ph\u1ea9m g\u1ecdn g\u00e0ng, t\u1ef1 \u0111\u1ed9ng xu\u1ed1ng d\u00f2ng khi kh\u00f4ng \u0111\u1ee7 kh\u00f4ng gian, r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c giao di\u1ec7n responsive.<\/p>\n\n\n\n

html<\/p>\n\n\n\n

<div class=”product-list”><\/p>\n\n\n\n

  <div class=”product”>S\u1ea3n ph\u1ea9m 1<\/div><\/p>\n\n\n\n

  <div class=”product”>S\u1ea3n ph\u1ea9m 2<\/div><\/p>\n\n\n\n

  <div class=”product”>S\u1ea3n ph\u1ea9m 3<\/div><\/p>\n\n\n\n

<\/div><\/p>\n\n\n\n

css<\/p>\n\n\n\n

.product-list {<\/p>\n\n\n\n

  display: flex;<\/p>\n\n\n\n

  flex-wrap: wrap;<\/p>\n\n\n\n

  gap: 20px;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

.product {<\/p>\n\n\n\n

  flex: 1 0 30%;<\/p>\n\n\n\n

  background: #eee;<\/p>\n\n\n\n

  padding: 20px;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

S\u1eed d\u1ee5ng flex-wrap: wrap v\u00e0 flex: 1 0 30% gi\u00fap c\u00e1c th\u1ebb s\u1ea3n ph\u1ea9m t\u1ef1 \u0111\u1ed9ng co gi\u00e3n v\u00e0 xu\u1ed1ng d\u00f2ng m\u1ed9t c\u00e1ch th\u00f4ng minh.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf layout responsive cho trang web<\/h3>\n\n\n\n

Flexbox cho ph\u00e9p b\u1ea1n d\u1ec5 d\u00e0ng thay \u0111\u1ed5i b\u1ed1 c\u1ee5c tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n qu\u00e1 nhi\u1ec1u media query.<\/p>\n\n\n\n

html<\/p>\n\n\n\n

<div class=”layout”><\/p>\n\n\n\n

  <aside>Sidebar<\/aside><\/p>\n\n\n\n

  <main>N\u1ed9i dung ch\u00ednh<\/main><\/p>\n\n\n\n

<\/div><\/p>\n\n\n\n

css<\/p>\n\n\n\n

.layout {<\/p>\n\n\n\n

  display: flex;<\/p>\n\n\n\n

  flex-direction: row;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

aside {<\/p>\n\n\n\n

  flex: 1;<\/p>\n\n\n\n

  background: #ccc;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

main {<\/p>\n\n\n\n

  flex: 2;<\/p>\n\n\n\n

  background: #fff;<\/p>\n\n\n\n

}<\/p>\n\n\n\n

@media (max-width: 768px) {<\/p>\n\n\n\n

  .layout {<\/p>\n\n\n\n

    flex-direction: column;<\/p>\n\n\n\n

  }<\/p>\n\n\n\n

}<\/p>\n\n\n\n

Ch\u1ec9 v\u1edbi m\u1ed9t \u0111o\u1ea1n @media \u0111\u01a1n gi\u1ea3n, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n t\u1eeb layout 2 c\u1ed9t sang 1 c\u1ed9t cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u2013 m\u1ed9t l\u1ee3i th\u1ebf c\u1ef1c l\u1edbn khi d\u00f9ng Flexbox trong responsive design.<\/p>\n\n\n\n

So s\u00e1nh Flexbox v\u1edbi Grid Layout<\/h2>\n\n\n\n

Trong CSS hi\u1ec7n \u0111\u1ea1i, Flexbox v\u00e0 Grid Layout l\u00e0 hai c\u00f4ng c\u1ee5 b\u1ed1 c\u1ee5c m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. Tuy \u0111\u1ec1u h\u01b0\u1edbng t\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng giao di\u1ec7n linh ho\u1ea1t, nh\u01b0ng m\u1ed7i c\u00f4ng c\u1ee5 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00e1ch ti\u1ebfp c\u1eadn ri\u00eang. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang s\u1ebd gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf giao di\u1ec7n web.<\/p>\n\n\n\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Flexbox<\/h3>\n\n\n\n

Flexbox l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng khi b\u1ea1n c\u1ea7n b\u1ed1 c\u1ee5c c\u00e1c ph\u1ea7n t\u1eed theo m\u1ed9t chi\u1ec1u duy nh\u1ea5t \u2013 t\u1ee9c l\u00e0 theo h\u00e0ng ngang ho\u1eb7c theo c\u1ed9t d\u1ecdc. M\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng ti\u00eau bi\u1ec3u:<\/p>\n\n\n\n

T\u1ea1o thanh \u0111i\u1ec1u h\u01b0\u1edbng (menu ngang ho\u1eb7c d\u1ecdc).<\/p>\n\n\n\n

S\u1eafp x\u1ebfp c\u00e1c n\u00fat, bi\u1ec3u t\u01b0\u1ee3ng ho\u1eb7c th\u1ebb n\u1ed9i dung n\u1eb1m trong c\u00f9ng m\u1ed9t d\u00f2ng.<\/p>\n\n\n\n

X\u1eed l\u00fd c\u0103n gi\u1eefa ph\u1ea7n t\u1eed c\u1ea3 theo tr\u1ee5c ch\u00ednh v\u00e0 tr\u1ee5c ph\u1ee5.<\/p>\n\n\n\n

T\u1ea1o b\u1ed1 c\u1ee5c \u0111\u01a1n gi\u1ea3n nh\u01b0ng linh ho\u1ea1t, d\u1ec5 ph\u1ea3n h\u1ed3i v\u1edbi nhi\u1ec1u k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh.<\/p>\n\n\n\n

Flexbox c\u0169ng r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c co gi\u00e3n k\u00edch th\u01b0\u1edbc ph\u1ea7n t\u1eed d\u1ef1a v\u00e0o kh\u00f4ng gian c\u00f2n l\u1ea1i m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft tr\u01b0\u1edbc k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng Grid Layout<\/h3>\n\n\n\n

Grid Layout ph\u00f9 h\u1ee3p khi b\u1ea1n c\u1ea7n thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c theo c\u1ea3 hai chi\u1ec1u (h\u00e0ng v\u00e0 c\u1ed9t) c\u00f9ng l\u00fac. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/p>\n\n\n\n

T\u1ea1o l\u01b0\u1edbi s\u1ea3n ph\u1ea9m c\u00f3 nhi\u1ec1u h\u00e0ng v\u00e0 c\u1ed9t \u0111\u1ed3ng b\u1ed9.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf layout to\u00e0n trang v\u1edbi header, sidebar, content v\u00e0 footer.<\/p>\n\n\n\n

C\u0103n ch\u1ec9nh ph\u1ea7n t\u1eed theo v\u1ecb tr\u00ed ch\u00ednh x\u00e1c trong l\u01b0\u1edbi (grid line).<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf giao di\u1ec7n ph\u1ee9c t\u1ea1p c\u00f3 nhi\u1ec1u v\u00f9ng ch\u1ee9c n\u0103ng r\u00f5 r\u00e0ng.<\/p>\n\n\n\n

Grid cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t cao h\u01a1n trong b\u1ed1 c\u1ee5c hai chi\u1ec1u v\u00e0 cho ph\u00e9p x\u00e1c \u0111\u1ecbnh c\u00e1c v\u00f9ng (area) c\u1ee5 th\u1ec3 m\u1ed9t c\u00e1ch tr\u1ef1c quan.<\/p>\n\n\n\n

\u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng ph\u01b0\u01a1ng ph\u00e1p<\/h3>\n\n\n\n
Ti\u00eau ch\u00ed<\/td>Flexbox<\/td>Grid Layout<\/td><\/tr><\/thead>
H\u01b0\u1edbng b\u1ed1 c\u1ee5c<\/td>M\u1ed9t chi\u1ec1u (row ho\u1eb7c column)<\/td>Hai chi\u1ec1u (row v\u00e0 column)<\/td><\/tr>
D\u1ec5 h\u1ecdc, d\u1ec5 tri\u1ec3n khai<\/td>\u2705 D\u1ec5 h\u1ecdc, ph\u00f9 h\u1ee3p ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/td>\u274c C\u1ea7n th\u1eddi gian l\u00e0m quen<\/td><\/tr>
Responsive (ph\u1ea3n h\u1ed3i)<\/td>\u2705 R\u1ea5t linh ho\u1ea1t v\u1edbi thi\u1ebft b\u1ecb kh\u00e1c nhau<\/td>\u2705 C\u0169ng r\u1ea5t m\u1ea1nh, \u0111\u1eb7c bi\u1ec7t khi k\u1ebft h\u1ee3p media query<\/td><\/tr>
Qu\u1ea3n l\u00fd kh\u00f4ng gian d\u01b0<\/td>\u2705 T\u1ef1 \u0111\u1ed9ng gi\u00e3n ho\u1eb7c thu nh\u1ecf ph\u1ea7n t\u1eed<\/td>\u2705 C\u00f3 th\u1ec3 chia t\u1ef7 l\u1ec7 l\u01b0\u1edbi ch\u00ednh x\u00e1c<\/td><\/tr>
T\u00ednh tr\u1ef1c quan<\/td>\u2705 \u0110\u01a1n gi\u1ea3n, d\u1ec5 h\u00ecnh dung<\/td>\u2705 R\u00f5 r\u00e0ng trong b\u1ed1 c\u1ee5c to\u00e0n trang<\/td><\/tr>
Tr\u01b0\u1eddng h\u1ee3p ph\u00f9 h\u1ee3p<\/td>B\u1ed1 c\u1ee5c \u0111\u01a1n gi\u1ea3n, th\u00e0nh ph\u1ea7n trong 1 h\u00e0ng\/c\u1ed9t<\/td>B\u1ed1 c\u1ee5c ph\u1ee9c t\u1ea1p, to\u00e0n trang ho\u1eb7c theo l\u01b0\u1edbi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

K\u1ebft lu\u1eadn:<\/p>\n\n\n\n

D\u00f9ng Flexbox cho c\u00e1c b\u1ed1 c\u1ee5c \u0111\u01a1n chi\u1ec1u, nhanh g\u1ecdn v\u00e0 linh ho\u1ea1t.<\/p>\n\n\n\n

D\u00f9ng Grid Layout cho b\u1ed1 c\u1ee5c hai chi\u1ec1u ho\u1eb7c giao di\u1ec7n ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t cao.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p Flexbox<\/h2>\n\n\n\n

Flexbox l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 linh ho\u1ea1t v\u00e0 m\u1ea1nh m\u1ebd trong CSS, nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng \u2013 \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u \u2013 th\u01b0\u1eddng c\u00f3 nh\u1eefng th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u su\u1ea5t khi s\u1eed d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 hai c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n\n\n\n

 Flexbox c\u00f3 h\u1ed7 tr\u1ee3 tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t kh\u00f4ng?<\/em><\/strong><\/p>\n\n\n\n

C\u00f3. Flexbox \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u00ean h\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i nh\u01b0 Chrome, Firefox, Safari, Edge v\u00e0 Opera. C\u00e1c tr\u00ecnh duy\u1ec7t c\u0169 nh\u01b0 Internet Explorer 10 v\u00e0 11 c\u0169ng h\u1ed7 tr\u1ee3 Flexbox \u1edf m\u1ee9c c\u01a1 b\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i v\u1edbi m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh. Do \u0111\u00f3, n\u1ebfu b\u1ea1n mu\u1ed1n h\u1ed7 tr\u1ee3 to\u00e0n di\u1ec7n, n\u00ean ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch c\u1ee5 th\u1ec3 tr\u00ean trang Can I use v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng \u00e1n fallback khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

Flexbox c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t trang web kh\u00f4ng?<\/em><\/strong><\/p>\n\n\n\n

Kh\u00f4ng \u0111\u00e1ng k\u1ec3. Flexbox \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u t\u1ed1t b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i n\u00ean hi\u1ec7u su\u1ea5t x\u1eed l\u00fd b\u1ed1 c\u1ee5c r\u1ea5t nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh, k\u1ec3 c\u1ea3 tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Tuy nhi\u00ean, n\u1ebfu s\u1eed d\u1ee5ng l\u1ed3ng nhi\u1ec1u l\u1edbp Flexbox ph\u1ee9c t\u1ea1p ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi animation kh\u00f4ng t\u1ed1i \u01b0u, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng th\u1eddi gian render. Gi\u1ea3i ph\u00e1p l\u00e0 ch\u1ec9 d\u00f9ng Flexbox khi c\u1ea7n, tr\u00e1nh l\u1ed3ng qu\u00e1 s\u00e2u v\u00e0 k\u1ebft h\u1ee3p v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh CSS m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd.<\/p>\n\n\n\n

T\u1eeb vi\u1ec7c t\u00ecm hi\u1ec3u kh\u00e1i ni\u1ec7m, c\u1ea5u tr\u00fac, thu\u1ed9c t\u00ednh \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3, b\u00e0i vi\u1ebft \u0111\u00e3 cung c\u1ea5p g\u00f3c nh\u00ecn to\u00e0n di\u1ec7n \u0111\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi flex CSS l\u00e0 g\u00ec<\/strong>. Th\u00f4ng qua \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 n\u1eafm r\u00f5 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Flexbox, ph\u00e2n bi\u1ec7t v\u1edbi Grid Layout v\u00e0 \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 v\u00e0o thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c giao di\u1ec7n. Vi\u1ec7c th\u00e0nh th\u1ea1o c\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u m\u00e3 ngu\u1ed3n m\u00e0 c\u00f2n n\u00e2ng cao kh\u1ea3 n\u0103ng x\u00e2y d\u1ef1ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng linh ho\u1ea1t, hi\u1ec7n \u0111\u1ea1i v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng thi\u1ebft b\u1ecb kh\u00e1c nhau.<\/p>\n\n\n\n

Tr\u00ed Nh\u00e2n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng giao di\u1ec7n web \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t b\u1ed1 c\u1ee5c linh ho\u1ea1t nh\u1eb1m t\u1ed1i \u01b0u tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. C\u00e2u …<\/p>\n","protected":false},"author":58,"featured_media":9427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[64],"class_list":["post-9426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van-nghe-nghiep","tag-it"],"_links":{"self":[{"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/posts\/9426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/comments?post=9426"}],"version-history":[{"count":2,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/posts\/9426\/revisions"}],"predecessor-version":[{"id":15647,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/posts\/9426\/revisions\/15647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/media\/9427"}],"wp:attachment":[{"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/media?parent=9426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/categories?post=9426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/wp-json\/wp\/v2\/tags?post=9426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}