{"id":20207,"date":"2013-07-10T12:46:00","date_gmt":"2013-07-10T12:46:00","guid":{"rendered":"https:\/\/kiencang.net\/2013\/07\/10\/the-img-trong-html-cach-dua-hinh-anh-vao-trang-web-cua-ban\/"},"modified":"2022-08-20T21:27:14","modified_gmt":"2022-08-20T14:27:14","slug":"the-img-trong-html","status":"publish","type":"post","link":"https:\/\/kiencang.net\/the-img-trong-html\/","title":{"rendered":"Th\u1ebb img trong HTML – c\u00e1ch \u0111\u01b0a h\u00ecnh \u1ea3nh v\u00e0o trang web c\u1ee7a b\u1ea1n"},"content":{"rendered":"\n
H\u00f4m nay Ki\u1ebfn c\u00e0ng s\u1ebd gi\u1edbi thi\u1ec7u v\u1edbi b\u1ea1n th\u1ebb img – m\u1ed9t trong c\u00e1c th\u1ebb hay d\u00f9ng nh\u1ea5t trong HTML, n\u00f3 s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a h\u00ecnh \u1ea3nh v\u00e0o trang web. C\u1ea5u tr\u00fac c\u1ee7a n\u00f3 nh\u01b0 sau:<\/p>\n\n\n\n
<img src=\"thu-muc-anh\/ten-anh.jpg\" alt=\"m\u00f4 t\u1ea3 cho \u1ea3nh\" height=\"chi\u1ec1u cao c\u1ee7a \u1ea3nh\" width=\"chi\u1ec1u r\u1ed9ng c\u1ee7a \u1ea3nh\" \/><\/code><\/pre>\n\n\n\n- Theo \u0111\u00f3
src<\/code><\/i> d\u00f9ng \u0111\u1ec3 th\u00f4ng b\u00e1o v\u1ec1 ngu\u1ed3n b\u1ee9c \u1ea3nh – hay n\u00f3i c\u00e1ch kh\u00e1c l\u00e0 n\u01a1i b\u1ee9c \u1ea3nh \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. Th\u00f4ng th\u01b0\u1eddng b\u1ea1n s\u1ebd l\u01b0u c\u00e1c \u1ea3nh \u1edf th\u01b0 m\u1ee5c ri\u00eang c\u00f3 t\u00ean l\u00e0 images do v\u1eady trong v\u00ed d\u1ee5 tr\u00ean \u0111\u01b0\u1eddng d\u1eabn c\u1ee7a \u1ea3nh c\u00f3 th\u1ec3 l\u00e0: images\/ducanh.jpg<\/code><\/i><\/li>- C\u00f2n
alt<\/code><\/i> d\u00f9ng trong tr\u01b0\u1eddng h\u1ee3p \u1ea3nh b\u1ecb l\u1ed7i kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c th\u00ec d\u00f2ng ch\u1eef trong alt s\u1ebd thay th\u1ebf. N\u00f3 c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng trong SEO (Search Engine Optimize \/ T\u1ed1i \u01b0u cho m\u00e1y t\u00ecm ki\u1ebfm), khi gi\u00fap m\u00e1y t\u00ecm ki\u1ebfm hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ed9i dung c\u01a1 b\u1ea3n c\u1ee7a b\u1ee9c \u1ea3nh;<\/li>Height<\/code><\/i> v\u00e0 Width<\/code><\/i> l\u1ea7n l\u01b0\u1ee3t l\u00e0 chi\u1ec1u cao v\u00e0 chi\u1ec1u r\u1ed9ng c\u1ee7a b\u1ee9c \u1ea3nh – b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1ec3 ph\u00f3ng to ho\u1eb7c thu nh\u1ecf k\u00edch c\u1ee1 b\u1ee9c \u1ea3nh, n\u1ebfu b\u1ea1n kh\u00f4ng \u0111\u1ec3 g\u00ec th\u00ec m\u1eb7c \u0111\u1ecbnh b\u1ee9c \u1ea3nh s\u1ebd hi\u1ec7n k\u00edch c\u1ee1 nguy\u00ean g\u1ed1c. PS: m\u1ed9t s\u1ed1 CMS nh\u01b0 WordPress s\u1ebd kh\u00f4ng hi\u1ec3n th\u1ecb \u1ea3nh n\u1ebfu b\u1ea1n kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh c\u1ee5 th\u1ec3 gi\u00e1 tr\u1ecb c\u1ee7a height<\/code> v\u00e0 width<\/code>. V\u00ed d\u1ee5: height=\"100\" width=\"100\"<\/code>;<\/li>- \u0110\u01a1n v\u1ecb c\u1ee7a
Height<\/code> v\u00e0 Width<\/code> l\u00e0 px<\/code> (pixel)<\/i>, trong code b\u1ea1n kh\u00f4ng c\u1ea7n \u0111i\u1ec1n \u0111\u01a1n v\u1ecb v\u00e0o, ch\u1ec9 c\u1ea7n \u0111i\u1ec1n s\u1ed1, tr\u00ecnh duy\u1ec7t s\u1ebd t\u1ef1 hi\u1ec3u n\u00f3 l\u00e0 px. Ngo\u00e0i ra n\u1ebfu c\u00f3 thay \u0111\u1ed5i k\u00edch c\u1ee1 \u1ea3nh th\u00f4ng qua height v\u00e0 width th\u00ec th\u01b0\u1eddng l\u00e0 b\u1ea1n thu nh\u1ecf \u1ea3nh (so v\u1edbi k\u00edch c\u1ee1 g\u1ed1c), ch\u1ee9 \u00edt khi ph\u00f3ng to, v\u00ec ph\u00f3ng to hay l\u00e0m \u1ea3nh v\u1ee1 \/ m\u1edd.<\/li>- Gi\u1ea3i th\u00edch m\u1ea5y t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a code, img l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a im<\/strong>ag<\/strong>e<\/i> (h\u00ecnh \u1ea3nh), src l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a s<\/strong>ourc<\/strong>e<\/i> (ngu\u1ed3n), alt l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a alt<\/strong>ernative text<\/i> (v\u0103n b\u1ea3n thay th\u1ebf).<\/li><\/ul>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c v\u00ed d\u1ee5 minh h\u1ecda c\u1ee5 th\u1ec3:<\/p>\n\n\n\n
- \u1ea2nh v\u1edbi k\u00edch c\u1ee1 nguy\u00ean g\u1ed1c:<\/li><\/ul>\n\n\n\n