{"id":3220,"date":"2011-10-21T04:17:33","date_gmt":"2011-10-20T20:17:33","guid":{"rendered":"https:\/\/blog-staging.tenten.co\/blog\/html5-%e6%96%b0%e7%89%b9%e8%89%b2\/"},"modified":"2023-12-28T00:48:54","modified_gmt":"2023-12-27T16:48:54","slug":"html5-%e6%96%b0%e7%89%b9%e8%89%b2","status":"publish","type":"post","link":"https:\/\/tenten.co\/blog\/tech\/html5-%e6%96%b0%e7%89%b9%e8%89%b2\/","title":{"rendered":"28\u500b\u5fc5\u9808\u77e5\u9053\u7684 HTML5 \u65b0\u7279\u8272"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-1476\" title=\"html5_u_must_know\" alt=\"\" src=\"https:\/\/s5.tenten.co\/2023\/12\/html5_u_must_know.jpg\" width=\"250\" height=\"250\" \/><\/p>\n<div class=\"viewbox\">\n<h2 class=\"title\">28\u500b\u5fc5\u9808\u77e5\u9053\u7684HTML5\u65b0\u7279\u6027<\/h2>\n<p class=\"summary\">1. \u65b0\u7684Doctype \u76e1\u7ba1\u4f7f\u7528!DOCTYPE html\uff0c\u5373\u4f7f\u700f\u89bd\u5668\u4e0d\u61c2\u9019\u53e5\u8a71\u4e5f\u6703\u6309\u7167\u6a19\u51c6\u6a21\u5f0f\u53bb\u57f7\u884c Render \u9801\u9762<br \/>\n2. Figure\u5143\u7d20 \u7528figure\u548cfigcaption\u4f86\u8a9e\u7fa9\u5316\u5730\u8868\u793a\u5e36\u6a19\u984c\u7684\u5716\u7247 XML\/HTML Code \u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f figure img src\u2026<\/p>\n<p><!--content--><\/p>\n<div class=\"content\">\n<p><strong>1. \u65b0\u7684Doctype<\/strong><\/p>\n<p>\u76e1\u7ba1\u4f7f\u7528&lt;!DOCTYPE html&gt;\uff0c\u5373\u4f7f<a title=\"\u700f\u89bd\u5668\" href=\"http:\/\/www.html5china.com\/help\/browser.html\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">\u700f\u89bd\u5668<\/span><\/a>\u4e0d\u61c2\u9019\u53e5\u8a71\u4e5f\u6703\u6309\u7167\u6a19\u51c6\u6a21\u5f0f\u53bb\u6e32\u67d3<\/p>\n<p><strong>2. Figure\u5143\u7d20<\/strong><\/p>\n<p>\u7528&lt;figure&gt;\u548c&lt;figcaption&gt;\u4f86\u8a9e\u7fa9\u5316\u5730\u8868\u793a\u5e36\u6a19\u984c\u7684\u5716\u7247<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_6213')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_6213\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">figure<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">img<\/span><span> <\/span><span class=\"attribute\">src<\/span><span>=\u201dpath\/to\/image\u201d <\/span><span class=\"attribute\">alt<\/span><span>=\u201dAbout image\u201d <\/span><span class=\"tag\">\/&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">figcaption<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span>This is an image of something interesting. <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">figcaption<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">figure<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><strong>3. \u91cd\u65b0\u5b9a\u7fa9\u7684&lt;small&gt;<\/strong><\/p>\n<p>&lt;small&gt;\u5df2\u7d93\u88ab\u91cd\u65b0\u5b9a\u7fa9\u4e86\uff0c\u73fe\u5728\u88ab\u7528\u4f86\u8868\u793a\u5c0f\u7684\u6392\u7248\uff0c\u5982\u7db2\u7ad9\u5e95\u90e8\u7684\u7248\u6b0a\u8072\u660e<\/p>\n<p><strong>4. \u53bb\u6389link\u548cscript\u6a19\u7c3d\u88e1\u9762\u7684type\u5c6c\u6027<\/strong><\/p>\n<p><strong>5. \u52a0\/\u4e0d\u52a0 \u62ec\u865f<\/strong><\/p>\n<p>HTML5\u6c92\u6709\u56b4\u683c\u7684\u8981\u6c42\u5c6c\u6027\u5fc5\u9808\u52a0\u5f15\u865f\uff0c\u9589\u5408\u4e0d\u9589\u5408\uff0c\u4f46\u662f\u5efa\u8b70\u52a0\u4e0a\u5f15\u865f\u548c\u9589\u5408\u6a19\u7c3d<\/p>\n<p><strong>6. \u8b93\u4f60\u7684\u5167\u5bb9\u53ef\u7de8\u8f2f\uff0c\u53ea\u9700\u8981\u52a0\u4e00\u500bcontenteditable\u5c6c\u6027<\/strong><\/p>\n<p><strong>7. Email Inputs<\/strong><\/p>\n<p>\u5982\u679c\u6211\u5011\u7d66Input\u7684type\u8a2d\u7f6e\u70baemail\uff0c\u700f\u89bd\u5668\u5c31\u6703\u9a57\u8b49\u9019\u500b\u8f38\u5165\u662f\u5426\u662femail\u985e\u578b\uff0c\u7576\u7136\u4e0d\u80fd\u53ea\u4f9d\u8cf4\u524d\u7aef\u7684\u6821\u9a57\uff0c\u5f8c\u7aef\u4e5f\u5f97\u6709\u76f8\u61c9\u7684\u6821\u9a57<\/p>\n<p><strong>8. Placeholders<\/strong><\/p>\n<p>\u9019\u500binput\u5c6c\u6027\u7684\u610f\u7fa9\u5c31\u662f\u4e0d\u5fc5\u901a\u904ejavascript\u4f86\u505aplaceholder\u7684\u6548\u679c\u4e86<\/p>\n<p><strong>9. <a title=\"Local Storage\" href=\"http:\/\/www.html5china.com\/HTML5features\/LocalStorage\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">Local Storage<\/span><\/a><\/strong><\/p>\n<p>\u4f7f\u7528Local Storage\u53ef\u4ee5\u6c38\u4e45\u5b58\u5132\u5927\u7684\u6578\u64da\u7247\u6bb5\u5728\u5ba2\u6236\u7aef\uff08\u9664\u975e\u4e3b\u52d5\u522a\u9664\uff09\uff0c\u76ee\u524d\u5927\u90e8\u5206\u700f\u89bd\u5668\u5df2\u7d93\u652f\u6301\uff0c\u5728\u4f7f\u7528\u4e4b\u524d\u53ef\u4ee5\u6aa2\u6e2c\u4e00\u4e0bwindow.localStorage\u662f\u5426\u5b58\u5728<\/p>\n<p>&nbsp;<\/p>\n<p><strong>10. \u8a9e\u7fa9\u5316\u7684header\u548cfooter<\/strong><\/p>\n<p><strong>11. \u66f4\u591a\u7684HTML5<a title=\"\u8868\u55ae\" href=\"http:\/\/www.html5china.com\/HTML5features\/form\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">\u8868\u55ae<\/span><\/a>\u7279\u6027<\/strong><\/p>\n<p><strong>12. IE\u548cHTML5<\/strong><\/p>\n<p>\u9ed8\u8a8d\u7684\uff0cHTML5\u65b0\u5143\u7d20\u88ab\u4ee5inline\u7684\u65b9\u5f0f\u6e32\u67d3\uff0c\u4e0d\u904e\u53ef\u4ee5\u901a\u904e\u4e0b\u9762\u9019\u7a2e\u65b9\u5f0f\u8b93<\/p>\n<p>\u5176\u4ee5block\u65b9\u5f0f\u6e32\u67d3<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_8876')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_8876\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span>header, footer, article, section, nav, menu, hgroup {  <\/span><\/span><\/li>\n<li><span>display: block;  <\/span><\/li>\n<li class=\"alt\"><span>}  <\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p>\u4e0d\u5e78\u7684\u662fIE\u6703\u5ffd\u7565\u9019\u4e9b\u6a23\u5f0f\uff0c\u53ef\u4ee5\u50cf\u4e0b\u9762\u9019\u6a23fix:<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">JavaScript Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_5330')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_5330\">\n<ol class=\"dp-c\" start=\"1\">\n<li class=\"alt\"><span><span>document.createElement(\u201darticle\u201d);  <\/span><\/span><\/li>\n<li><span>document.createElement(\u201dfooter\u201d);  <\/span><\/li>\n<li class=\"alt\"><span>document.createElement(\u201dheader\u201d);  <\/span><\/li>\n<li><span>document.createElement(\u201dhgroup\u201d);  <\/span><\/li>\n<li class=\"alt\"><span>document.createElement(\u201dnav\u201d);  <\/span><\/li>\n<li><span>document.createElement(\u201dmenu\u201d);  <\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>13. hgroup<\/strong><\/p>\n<p>\u4e00\u822c\u5728header\u88e1\u9762\u7528\u4f86\u5c07\u4e00\u7d44\u6a19\u984c\u7d44\u5408\u5728\u4e00\u8d77\uff0c\u5982<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_8035')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_8035\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">header<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">hgroup<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">h1<\/span><span class=\"tag\">&gt;<\/span><span> Recall Fan Page <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">h1<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">h2<\/span><span class=\"tag\">&gt;<\/span><span> Only for people who want the memory of a lifetime. <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">h2<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">hgroup<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">header<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>14. Required\u5c6c\u6027<\/strong><\/p>\n<p>required\u5c6c\u6027\u5b9a\u7fa9\u4e86\u4e00\u500binput\u662f\u5426\u662f\u5fc5\u9808\u7684\uff0c\u4f60\u53ef\u4ee5\u50cf\u4e0b\u9762\u9019\u6a23\u8072\u660e<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_8055')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_8055\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">input<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201dtext\u201d <\/span><span class=\"attribute\">name<\/span><span>=\u201dsomeInput\u201d required<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"comments\">&lt;!&#8211;\u6216\u8005&#8211;&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">input<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201dtext\u201d <\/span><span class=\"attribute\">name<\/span><span>=\u201dsomeInput\u201d <\/span><span class=\"attribute\">required<\/span><span>=\u201drequired\u201d<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>15. Autofocus\u5c6c\u6027<\/strong><\/p>\n<p>\u6b63\u5982\u5b83\u7684\u8a5e\u7fa9\uff0c\u5c31\u662f\u805a\u7126\u5230\u8f38\u5165\u6846\u88e1\u9762<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_6562')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_6562\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">input<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201dtext\u201d <\/span><span class=\"attribute\">name<\/span><span>=\u201dsomeInput\u201d <\/span><span class=\"attribute\">placeholder<\/span><span>=\u201dDouglas Quaid\u201d  required autofocus<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>16. Audio\u652f\u6301<\/strong><\/p>\n<p>HTML5\u63d0\u4f9b\u4e86&lt;audio&gt;\u6a19\u7c3d\uff0c\u4f60\u4e0d\u9700\u8981\u518d\u6309\u7167\u7b2c\u4e09\u65b9\u63d2\u4ef6\u4f86\u6e32\u67d3\u97f3\u983b\uff0c\u5927\u591a\u6578\u73fe\u4ee3\u700f\u89bd\u5668\u63d0\u4f9b\u4e86\u5c0d\u65bcHTML5 Audio\u7684\u652f\u6301\uff0c\u4e0d\u904e\u76ee\u524d\u4ecd\u820a\u9700\u8981\u63d0\u4f9b\u4e00\u4e9b\u517c\u5bb9\u8655\u7406\uff0c\u5982<\/p>\n<p>&nbsp;<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_1281')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_1281\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">audio<\/span><span> <\/span><span class=\"attribute\">autoplay<\/span><span>=\u201dautoplay\u201d <\/span><span class=\"attribute\">controls<\/span><span>=\u201dcontrols\u201d<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">source<\/span><span> <\/span><span class=\"attribute\">src<\/span><span>=\u201dfile.ogg\u201d <\/span><span class=\"tag\">\/&gt;<\/span><span>&lt;!\u2013FF\u2013<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">source<\/span><span> <\/span><span class=\"attribute\">src<\/span><span>=\u201dfile.mp3\u301e <\/span><span class=\"tag\">\/&gt;<\/span><span>&lt;!\u2013Webkit\u2013<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">a<\/span><span> <\/span><span class=\"attribute\">href<\/span><span>=\u201dfile.mp3\u301e<\/span><span class=\"tag\">&gt;<\/span><span>Download this file.<\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">a<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">audio<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong> 17. Video\u652f\u6301<\/strong><\/p>\n<p>\u548cAudio\u5f88\u50cf\uff0c&lt;video&gt;\u6a19\u7c3d\u63d0\u4f9b\u4e86\u5c0d\u65bcvideo\u7684\u652f\u6301\uff0c\u7531\u65bcHTML5\u6587\u6a94\u4e26\u6c92\u6709\u7d66video\u6307\u5b9a\u4e00\u500b\u7279\u5b9a\u7684\u7de8\u78bc\uff0c\u6240\u4ee5\u700f \u89bd\u5668\u53bb\u6c7a\u5b9a\u8981\u652f\u6301\u54ea\u4e9b\u7de8\u78bc\uff0c\u5c0e\u81f4\u4e86\u5f88\u591a\u4e0d\u4e00\u81f4\u3002Safari\u548cIE\u652f\u6301H.264\u7de8\u78bc\u7684\u683c\u5f0f\uff0cFirefox\u548cOpera\u652f\u6301Theora\u548cVorbis \u7de8\u78bc\u7684\u683c\u5f0f\uff0c\u7576\u4f7f\u7528HTML5 video\u7684\u6642\u5019\uff0c\u4f60\u5fc5\u9808\u90fd\u63d0\u4f9b\uff1a<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_4631')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_4631\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">video<\/span><span> controls preload<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">source<\/span><span> <\/span><span class=\"attribute\">src<\/span><span>=\u201dcohagenPhoneCall.ogv\u201d <\/span><span class=\"attribute\">type<\/span><span>=\u201dvideo\/ogg; <\/span><span class=\"attribute\">codecs<\/span><span>=\u2019vorbis, theora\u2019\u201d <\/span><span class=\"tag\">\/&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">source<\/span><span> <\/span><span class=\"attribute\">src<\/span><span>=\u201dcohagenPhoneCall.mp4\u301e <\/span><span class=\"attribute\">type<\/span><span>=\u201dvideo\/mp4; \u2019<\/span><span class=\"attribute\">codecs<\/span><span>=\u2019avc1.42E01E, mp4a.40.2\u2032\u201d <\/span><span class=\"tag\">\/&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span> Your browser is old. <\/span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">a<\/span><span> <\/span><span class=\"attribute\">href<\/span><span>=\u201dcohagenPhoneCall.mp4\u301e<\/span><span class=\"tag\">&gt;<\/span><span>Download this video instead.<\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">a<\/span><span class=\"tag\">&gt;<\/span><span> <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">video<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>18. \u9810\u52a0\u8f09\u8996\u983b<\/strong><\/p>\n<p>preload\u5c6c\u6027\u5c31\u50cf\u5b83\u7684\u5b57\u9762\u610f\u601d\u90a3\u9ebc\u7c21\u55ae\uff0c\u4f60\u9700\u8981\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u5728\u9801\u9762\u52a0\u8f09\u7684\u6642\u5019\u53bb\u9810\u52a0\u8f09\u8996\u983b<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_5969')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_5969\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">video<\/span><span> preload<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>19. \u986f\u793a\u8996\u983b\u63a7\u5236<\/strong><\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_9472')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_9472\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">video<\/span><span> preload controls<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>20. \u6b63\u5247\u8868\u9054\u5f0f<\/strong><\/p>\n<p>\u7531\u65bcpattern\u5c6c\u6027\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u4f60\u7684markup\u88e1\u9762\u76f4\u63a5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4e86<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_8530')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_8530\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">form<\/span><span> <\/span><span class=\"attribute\">action<\/span><span>=\u201d&#8221; <\/span><span class=\"attribute\">method<\/span><span>=\u201dpost\u201d<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">label<\/span><span> <\/span><span class=\"attribute\">for<\/span><span>=\u201dusername\u201d<\/span><span class=\"tag\">&gt;<\/span><span>Create a Username: <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">label<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">input<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201dtext\u201d <\/span><span class=\"attribute\">name<\/span><span>=\u201dusername\u201d <\/span><span class=\"attribute\">id<\/span><span>=\u201dusername\u201d <\/span><span class=\"attribute\">placeholder<\/span><span>=\u201d4 <\/span><span class=\"tag\">&lt;<\/span><span class=\"tag\">&gt;<\/span><span> 10\u301e <\/span><span class=\"attribute\">pattern<\/span><span>=\u201d[A-Za-z]{4,10}\u201d autofocus required<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">button<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201dsubmit\u201d<\/span><span class=\"tag\">&gt;<\/span><span>Go <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">button<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">form<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>21. \u6aa2\u6e2c\u5c6c\u6027\u652f\u6301<\/strong><\/p>\n<p>\u9664\u4e86Modernizr\u4e4b\u5916\u6211\u5011\u9084\u53ef\u4ee5\u901a\u904ejavascript\u7c21\u55ae\u5730\u6aa2\u6e2c\u4e00\u4e9b\u5c6c\u6027\u662f\u5426\u652f\u6301\uff0c\u5982\uff1a<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">JavaScript Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_7286')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_7286\">\n<ol class=\"dp-c\" start=\"1\">\n<li class=\"alt\"><span><span>&lt;script&gt;  <\/span><\/span><\/li>\n<li><span><span class=\"keyword\">if<\/span><span> (!\u2019pattern\u2019 <\/span><span class=\"keyword\">in<\/span><span> document.createElement(\u2019input\u2019) ) {  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"comment\">\/\/ do client\/server side validation<\/span><span>  <\/span><\/span><\/li>\n<li><span>}  <\/span><\/li>\n<li class=\"alt\"><span>&lt;\/script&gt;  <\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong> 22. Mark\u5143\u7d20<\/strong><\/p>\n<p>\u628a&lt;mark&gt;\u5143\u7d20\u770b\u505a\u662f\u9ad8\u4eae\u7684\u4f5c\u7528\uff0c\u7576\u6211\u9078\u64c7\u4e00\u6bb5\u6587\u5b57\u7684\u6642\u5019\uff0cjavascript\u5c0d\u65bcHTML\u7684markup\u6548\u679c\u61c9\u8a72\u662f\u9019\u6a23\u7684\uff1a<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_6557')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_6557\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">h3<\/span><span class=\"tag\">&gt;<\/span><span> Search Results <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">h3<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span> They were interrupted, just after Quato said, <\/span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">mark<\/span><span class=\"tag\">&gt;<\/span><span>\u201dOpen your Mind\u201d<\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">mark<\/span><span class=\"tag\">&gt;<\/span><span>. <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">p<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>23. \u4ec0\u9ebc\u6642\u5019\u7528&lt;div&gt;<\/strong><\/p>\n<p>HTML5\u5df2\u7d93\u5f15\u5165\u4e86\u9019\u9ebc\u591a\u5143\u7d20\uff0c\u90a3\u9ebcdiv\u6211\u5011\u9084\u8981\u7528\u55ce\uff1fdiv\u4f60\u53ef\u4ee5\u5728\u6c92\u6709\u66f4\u597d\u7684\u5143\u7d20\u7684\u6642\u5019\u53bb\u7528\u3002<\/p>\n<p><strong>24. \u60f3\u7acb\u5373\u4f7f\u7528HTML5?<\/strong><\/p>\n<p>\u4e0d\u8981\u7b492022\u4e86\uff0c\u73fe\u5728\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\uff0cjust do it.<\/p>\n<p><strong>25. \u54ea\u4e9b\u4e0d\u662fHTML5<\/strong><\/p>\n<p>1)SVG<\/p>\n<p>2)CSS3<\/p>\n<p>3)<a title=\"Geolocation\" href=\"http:\/\/www.html5china.com\/HTML5features\/Geolocation\/\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\">Geolocation<\/span><\/a><\/p>\n<p>4)Client Storage<\/p>\n<p>5)Web Sockets<\/p>\n<p><strong>26. Data\u5c6c\u6027<\/strong><\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_3436')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_3436\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">div<\/span><span> <\/span><span class=\"attribute\">id<\/span><span>=\u201dmyDiv\u201d <\/span><span class=\"attribute\">data-custom-attr<\/span><span>=\u201dMy Value\u201d<\/span><span class=\"tag\">&gt;<\/span><span> Bla Bla <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">div<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p>CSS\u4e2d\u4f7f\u7528\uff1a<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_4064')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_4064\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">style<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li><span>h1:hover:after {  <\/span><\/li>\n<li class=\"alt\"><span>content: attr(data-hover-response);  <\/span><\/li>\n<li><span>color: black;  <\/span><\/li>\n<li class=\"alt\"><span>position: absolute;  <\/span><\/li>\n<li><span>left: 0;  <\/span><\/li>\n<li class=\"alt\"><span>}  <\/span><\/li>\n<li><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">style<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">h1<\/span><span> <\/span><span class=\"attribute\">data-hover-response<\/span><span>=\u201dI Said Don\u2019t Touch Me!\u201d<\/span><span class=\"tag\">&gt;<\/span><span> Don\u2019t Touch Me <\/span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">h1<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<p><strong>27. Output\u5143\u7d20<\/strong><\/p>\n<p>&lt;output&gt;\u5143\u7d20\u7528\u4f86\u986f\u793a\u8a08\u7b97\u7d50\u679c\uff0c\u4e5f\u6709\u4e00\u500b\u548clabel\u4e00\u6a23\u7684for\u5c6c\u6027<\/p>\n<p><strong>28. \u7528Range Input\u4f86\u5275\u5efa\u6ed1\u584a<\/strong><\/p>\n<p>HTML5\u5f15\u7528\u7684range\u985e\u578b\u53ef\u4ee5\u5275\u5efa\u6ed1\u584a\uff0c\u5b83\u63a5\u53d7min, max, step\u548cvalue\u5c6c\u6027<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528css\u7684:before\u548c:after\u4f86\u986f\u793amin\u548cmax\u7684\u503c<\/p>\n<div class=\"codeText\">\n<div class=\"codeHead\"><span class=\"lantxt\">XML\/HTML Code<\/span><span class=\"copyCodeText\" style=\"cursor: pointer;\" onclick=\"copyIdText('code_3737')\">\u8907\u88fd\u5167\u5bb9\u5230\u526a\u8cbc\u677f<\/span><\/div>\n<div id=\"code_3737\">\n<ol class=\"dp-xml\" start=\"1\">\n<li class=\"alt\"><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">input<\/span><span> <\/span><span class=\"attribute\">type<\/span><span>=\u201drange\u201d <\/span><span class=\"attribute\">name<\/span><span>=\u201drange\u201d <\/span><span class=\"attribute\">min<\/span><span>=\u201d0\u301e <\/span><span class=\"attribute\">max<\/span><span>=\u201d10\u301e <\/span><span class=\"attribute\">step<\/span><span>=\u201d1\u301e <\/span><span class=\"attribute\">value<\/span><span>=\u201d&#8221;<\/span><span class=\"tag\">&gt;<\/span><span>    <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;<\/span><span class=\"tag-name\">style<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<li class=\"alt\"><span>input[<span class=\"attribute\">type<\/span><span>=<\/span><span class=\"attribute-value\">range<\/span><span>]:before { content: attr(min); padding-right: 5px;    <\/span><\/span><\/li>\n<li><span>}    <\/span><\/li>\n<li class=\"alt\"><span>input[<span class=\"attribute\">type<\/span><span>=<\/span><span class=\"attribute-value\">range<\/span><span>]:after { content: attr(max); padding-left: 5px;}  <\/span><\/span><\/li>\n<li><span><span class=\"tag\">&lt;\/<\/span><span class=\"tag-name\">style<\/span><span class=\"tag\">&gt;<\/span><span>  <\/span><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"28 \u500b HTML5 \u7684\u65b0\u7279\u6027\u5e6b\u52a9\u4f60\u4e86\u89e3 HTML5 \u5c07\u6703\u66ff\u672a\u4f86\u7684\u7db2\u7ad9\u958b\u767c\u5e36\u4f86\u600e\u6a23\u7684\u512a\u52e2","protected":false},"author":1,"featured_media":3224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","footnotes":""},"categories":[306,296],"tags":[],"ppma_author":[533],"class_list":["post-3220","post","type-post","status-publish","format-standard","has-post-thumbnail","category-html5","category-tech","cs-entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - 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