{"id":1693,"date":"2011-06-14T15:20:42","date_gmt":"2011-06-14T07:20:42","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1693"},"modified":"2019-07-09T17:26:08","modified_gmt":"2019-07-09T09:26:08","slug":"html5%e8%87%aa%e5%ae%9a%e4%b9%89%e5%b1%9e%e6%80%a7%e5%af%b9%e8%b1%a1dataset%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2011\/06\/html5%e8%87%aa%e5%ae%9a%e4%b9%89%e5%b1%9e%e6%80%a7%e5%af%b9%e8%b1%a1dataset%e7%ae%80%e4%bb%8b\/","title":{"rendered":"HTML5\u81ea\u5b9a\u4e49\u5c5e\u6027\u5bf9\u8c61Dataset\u7b80\u4ecb"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/\">https:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=1693\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=1693<\/a><\/p>\n<h3>\u4e00\u3001html5 \u81ea\u5b9a\u4e49\u5c5e\u6027\u4ecb\u7ecd<\/h3>\n<p>\u6211\u4e4b\u524d\u7ffb\u8bd1\u7684\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1058\">\u4f60\u5fc5\u987b\u77e5\u9053\u768428\u4e2aHTML5\u7279\u5f81\u3001\u7a8d\u95e8\u548c\u6280\u672f<\/a>\u201d\u4e00\u6587\u4e2d\u5bf9\u4e8eHTML5\u4e2d\u81ea\u5b9a\u4e49\u5408\u6cd5\u5c5e\u6027<code>data-<\/code>\u5df2\u7ecf\u505a\u8fc7\u4e9b\u4ecb\u7ecd\uff0c\u5c31\u662f\u5728HTML5\u4e2d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>data-<\/code>\u524d\u7f00\u8bbe\u7f6e\u6211\u4eec\u9700\u8981\u7684\u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c\u6765\u8fdb\u884c\u4e00\u4e9b\u6570\u636e\u7684\u5b58\u653e\uff0c\u4f8b\u5982\u6211\u4eec\u8981\u5728\u4e00\u4e2a\u6587\u5b57\u6309\u94ae\u4e0a\u5b58\u653e\u76f8\u5bf9\u5e94\u7684id\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;a href=\"javascript:\" data-id=\"2312\">\u6d4b\u8bd5&lt;\/a><\/pre>\n<\/div>\n<p>\u8fd9\u91cc\u7684<code>data-<\/code>\u524d\u7f00\u5c31\u88ab\u79f0\u4e3a<code>data\u5c5e\u6027<\/code>\uff0c\u5176\u53ef\u4ee5\u901a\u8fc7\u811a\u672c\u8fdb\u884c\u5b9a\u4e49\uff0c\u4e5f\u53ef\u4ee5\u5e94\u7528CSS\u5c5e\u6027\u9009\u62e9\u5668\u8fdb\u884c\u6837\u5f0f\u8bbe\u7f6e\u3002\u6570\u91cf\u4e0d\u53d7\u9650\u5236\uff0c\u5728\u63a7\u5236\u548c\u6e32\u67d3\u6570\u636e\u7684\u65f6\u5019\u63d0\u4f9b\u4e86\u975e\u5e38\u5f3a\u5927\u7684\u63a7\u5236\u3002<\/p>\n<h3>\u4e8c\u3001Dataset\u57fa\u7840<\/h3>\n<p>\u4e0b\u9762\u662f\u5143\u7d20\u5e94\u7528data\u5c5e\u6027\u7684\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;div id=\"day2-meal-expense\" \r\n  data-drink=\"coffee\" \r\n  data-food=\"sushi\" \r\n  data-meal=\"lunch\"&gt;\u00a520.12&lt;\/div&gt;<\/pre>\n<\/div>\n<p>\u8981\u60f3\u83b7\u53d6\u67d0\u4e2a\u5c5e\u6027\u7684\u503c\uff0c\u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\u4f7f\u7528dataset\u5bf9\u8c61\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>var expenseday2 = document.getElementById('day2-meal-expense');  \r\nvar typeOfDrink = expenseday2.dataset.drink;<\/pre>\n<\/div>\n<p>\u5173\u4e8e\u8fd9\u4e2a\u57fa\u672c\u4f7f\u7528\uff0c\u6211\u505a\u4e86\u4e2ademo\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201106\/dataset-basics.html\">dataset\u57fa\u672c\u4f7f\u7528\u5b9e\u4f8bdemo<\/a><\/p>\n<p>\u70b9\u51fbdemo\u9875\u9762\u7684\u6309\u94ae\u505a\u6d4b\u8bd5\uff0c\u5982\u679c\u6d4f\u89c8\u5668\u4e0d\u652f\u6301<code>dataset<\/code>\uff0c\u4f8b\u5982FireFox 4\uff0c\u5219\u5f39\u51fa\u7684\u7ed3\u679c\u5c31\u4f1a\u7c7b\u4f3c\u4e0b\u9762\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u4e0d\u652f\u6301dataset\u7684\u5f39\u51fa\u5185\u5bb9 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201106\/2011-06-13_224550.png\" title=\"\u4e0d\u652f\u6301dataset\u7684\u5f39\u51fa\u5185\u5bb9 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"307\" height=\"187\" \/><\/p>\n<p>\u5982\u679c\u652f\u6301\uff0c\u4f8b\u5982Chrome 11\u6d4f\u89c8\u5668\uff0c\u5219\u5f39\u51fa\u7684\u7ed3\u679c\u5c31\u662f\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u652f\u6301dataset\u7684\u5f39\u51fa\u7ed3\u679c \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201106\/2011-06-13_224724.png\" title=\"\u652f\u6301dataset\u7684\u5f39\u51fa\u7ed3\u679c \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"400\" height=\"168\" \/><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\u5e26\u8fde\u5b57\u7b26\u8fde\u63a5\u7684\u540d\u79f0\u5728\u4f7f\u7528\u7684\u65f6\u5019\u9700\u8981\u547d\u540d\u9a7c\u5cf0\u5316\uff0c\u5373\u5927\u5c0f\u5199\u7ec4\u5408\u4e66\u5199\uff0c\u8fd9\u4e0e\u5e94\u7528\u5143\u7d20\u7684style\u5bf9\u8c61\u7c7b\u4f3c\uff0c<code>dom.style.borderColor<\/code>\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u73b0\u5728\u6709\u5982\u4e0bdata\u5c5e\u6027\uff0c<code>data-meal-time<\/code>\uff0c\u5219\u6211\u4eec\u8981\u83b7\u53d6\u76f8\u5e94\u7684\u503c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>expenseday2.dataset.mealTime<\/pre>\n<\/div>\n<p><code>data<\/code>\u5c5e\u6027\u57fa\u672c\u4e0a\u6240\u6709\u7684\u6d4f\u89c8\u5668\u90fd\u662f\u652f\u6301\u7684\uff0c\u4f46\u662f<code>dataset<\/code>\u5bf9\u8c61\u5c31\u5c5e\u4e8e\u65b0\u8d35\uff0c\u76ee\u524d\u4ec5\u5728Opera 11.1+\uff0c Chrome 9+\u4e0b\u53ef\u4ee5\u901a\u8fc7JavaScript\uff0c\u4f7f\u7528<code>dataset<\/code>\u8bbf\u95ee\u4f60\u81ea\u5b9a\u4e49\u7684<code>data<\/code>\u5c5e\u6027\u3002\u81f3\u4e8e\u5176\u4ed6\u6d4f\u89c8\u5668\uff0cFireFox 6+\uff08\u672a\u51fa\uff09\u4ee5\u53caSafari 6+\uff08\u672a\u51fa\uff09\u4f1a\u652f\u6301<code>dataset<\/code>\u5bf9\u8c61\uff0c\u81f3\u4e8eIE\u6d4f\u89c8\u5668\uff0c\u76ee\u524d\u770b\u6765\u8fd8\u662f\u9065\u9065\u65e0\u671f\u7684\u8d8b\u52bf\u3002\u5177\u4f53\u7684\u4e9b\u517c\u5bb9\u6027\u6570\u636e\uff0c\u60a8\u53ef\u4ee5<a href=\"http:\/\/caniuse.com\/#feat=dataset\">\u70b9\u51fb\u8fd9\u91cc<\/a>\u8bbf\u95ee\u3002<\/p>\n<h3>\u4e09\u3001\u6211\u4eec\u4e3a\u4f55\u9700\u8981dataset<\/h3>\n<p>\u5982\u679c\u4f7f\u7528\u4f20\u7edf\u7684\u65b9\u6cd5\u83b7\u53d6\u5c5e\u6027\u503c\u5e94\u8be5\u4f1a\u7c7b\u4f3c\u4e0b\u9762\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>var typeOfDrink = document.getElementById('day2-meal-expense').getAttribute('data-drink');<\/pre>\n<\/div>\n<p>\u73b0\u5728\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u83b7\u5f97\u591a\u4e2a\u81ea\u5b9a\u4e49\u7684\u5c5e\u6027\u503c\uff0c\u5f97\uff0c\u6298\u817e\u7684\u4e8b\u60c5\u5c31\u6765\u4e86\uff0c\u6211\u4eec\u53ef\u80fd\u8981\u91c7\u7528\u7c7b\u4f3c\u4e0b\u9762\u7684N\u884c\u4ee3\u7801\u5b9e\u73b0\u4e86\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>var attrs = expenseday2.attributes,\r\nexpense = {}, i, j;  \r\nfor (i = 0, j = attrs.length; i < j; i++) {\r\n  if(attrs[i].name.substring(0, 5) == 'data-') {\r\n    expense[attrs[i].name.substring(5)] = attrs[i].value;\r\n  }\r\n}<\/pre>\n<\/div>\n<p>\u800c\u4f7f\u7528<code>dataset<\/code>\u5c5e\u6027\uff0c\u6211\u4eec\u6839\u672c\u4e0d\u9700\u8981\u4efb\u4f55\u5faa\u73af\u53bb\u83b7\u53d6\u4f60\u60f3\u8981\u7684\u90a3\u4e2a\u503c\uff0c\u76f4\u63a5\u79d2\u6740\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>expense = document.getElementById('day2-meal-expense').dataset;<\/pre>\n<\/div>\n<p><code>dataset<\/code>\u5e76\u4e0d\u662f\u5178\u578b\u610f\u4e49\u4e0a\u7684JavaScript\u5bf9\u8c61\uff0c\u800c\u662f\u4e2a<code><a href=\"http:\/\/www.w3.org\/TR\/html5\/common-dom-interfaces.html#domstringmap-0\">DOMStringMap\u5bf9\u8c61<\/a><\/code>\uff0c<code>DOMStringMap<\/code>\u662fHTML5\u4e00\u79cd\u65b0\u7684\u542b\u6709\u591a\u4e2a\u540d-\u503c\u5bf9\u7684\u4ea4\u4e92\u53d8\u91cf\u3002<\/p>\n<h3>\u56db\u3001dataset\u7684\u64cd\u4f5c<\/h3>\n<p>\u60a8\u53ef\u4ee5\u50cf\u4e0b\u9762\u8fd9\u6837\u64cd\u4f5c\u540d-\u503c\u5bf9\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>chartInput = [];\r\nfor (var item in expense) {\r\n  chartInput.push(expense[item]);\r\n}<\/pre>\n<\/div>\n<p>\u4e0a\u9762\u8fd9\u51e0\u884c\u4ee3\u7801\u4f5c\u7528\u662f\u8ba9\u6240\u6709\u7684\u81ea\u5b9a\u4e49\u7684\u5c5e\u6027\u503c\u585e\u5230\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u5220\u6389\u4e00\u4e2a<code>data\u5c5e\u6027<\/code>\uff0c\u53ef\u4ee5\u8fd9\u4e48\u505a\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>delete expenseday2.dataset.meal;<\/pre>\n<\/div>\n<p>\u5982\u679c\u4f60\u60f3\u7ed9\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2a\u5c5e\u6027\uff0c\u53ef\u4ee5\u8fd9\u4e48\u505a\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>expenseday2.dataset.dessert = 'icecream';<\/pre>\n<\/div>\n<h3>\u4e94\u3001\u8ddfgetAttribute\u76f8\u6bd4\u7684\u901f\u5ea6<\/h3>\n<p>\u4f7f\u7528<code>dataset<\/code>\u64cd\u4f5c<code>data <\/code>\u8981\u6bd4\u4f7f\u7528<code>getAttribute<\/code>\u7a0d\u5fae\u6162\u4e9b\uff0c\u8fd9\u91cc\u6709\u4e2a\u9875\u9762\u4e13\u95e8\u5bf9\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u901f\u5ea6\u505a\u4e86\u6d4b\u8bd5\uff0c<a href=\"http:\/\/jsperf.com\/dataset-vs-attributes-loop\/3\">dataset vs attributes loop<\/a>\uff0c\u8bf7\u4f7f\u7528Chrome\u6d4f\u89c8\u5668\u4ee5\u53caOpera 11.1+\u7684\u6d4f\u89c8\u5668\uff0c\u70b9\u51fb\"run test\"\u6309\u94ae\u540e\uff0c\u4f1a\u5f97\u5230\u4e00\u4e9b\u6570\u636e\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"dataset\u548cgetAttribute\u901f\u5ea6\u6d4b\u8bd5\u6570\u636e \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201106\/2011-06-14_101529.png\" title=\"dataset\u548cgetAttribute\u901f\u5ea6\u6d4b\u8bd5\u6570\u636e \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"267\" height=\"237\" \/><\/p>\n<p>\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u53ea\u662f\u5904\u7406\u5c11\u91cf\u7684data\u6570\u636e\uff0c\u8fd9\u79cd\u901f\u5ea6\u4e0a\u5dee\u5f02\u9020\u6210\u7684\u5f71\u54cd\u662f\u57fa\u672c\u4e0a\u6ca1\u6709\u7684\u3002\u53cd\u800c\uff0c\u6211\u4eec\u5e94\u8be5\u770b\u5230\uff0c\u4f7f\u7528<code>dataset<\/code>\u64cd\u4f5c\u81ea\u9002\u5e94\u5c5e\u6027\u8981\u6bd4\u5176\u4ed6\u7c7b\u4f3c<code>getAttribute<\/code>\u7684\u5f62\u5f0f\u8981\u5c11\u5f88\u591a\u8ba9\u4eba\u5934\u75bc\u7684\u9ebb\u70e6\uff0c\u5e76\u4e14\u66f4\u5177\u6709\u53ef\u8bfb\u6027\u3002\u56e0\u6b64\uff0c\u6743\u8861\u6765\u770b\uff0c\u64cd\u4f5c\u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c<code>dataset<\/code>\u64cd\u4f5c\u662f\u4e0a\u9009\u3002<\/p>\n<h3>\u516d\u3001\u4ec0\u4e48\u5730\u65b9\u4f7f\u7528dataset<\/h3>\n<p>\u6bcf\u6b21\u4f60\u4f7f\u7528\u81ea\u5b9a\u4e49data\u5c5e\u6027\u7684\u65f6\u5019\uff0c\u4f7f\u7528<code>dataset<\/code>\u53bb\u83b7\u53d6\u540d-\u503c\u5bf9\u5c31\u662f\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002\u8003\u8651\u5230\u73b0\u5728\u5f88\u591a\u6d4f\u89c8\u5668\u8fd8\u662f\u628a<code>dataset<\/code>\u5f53\u4f5c\u4e0d\u8ba4\u8bc6\u7684\u5916\u661f\u751f\u7269\u770b\u5f85\uff0c\u6240\u4ee5\uff0c\u5728\u5b9e\u9645\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u6709\u5fc5\u8981\u8fdb\u884c\u4e0b\u7279\u5f81\u68c0\u6d4b\uff0c\u770b\u770b\u662f\u5426\u652f\u6301<code>dataset<\/code>\uff0c\u7c7b\u4f3c\u4e0b\u9762\u7684\u4f7f\u7528\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>if(expenseday2.dataset) {\r\n  expenseday2.dataset.dessert = 'icecream';\r\n} else {\r\n  expenseday2.setAttribute('data-dessert', 'icecream');\r\n}<\/pre>\n<\/div>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u5982\u679c\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u4f1a\u9891\u7e41\u66f4\u65b0<code>data\u5c5e\u6027<\/code>\u503c\u7684\u8bdd\uff0c\u5efa\u8bae\u4f7f\u7528JavaScript\u5bf9\u8c61\u8fdb\u884c\u6570\u636e\u7ba1\u7406\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u7ecf\u7531<code>data\u5c5e\u6027<\/code>\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n<h3>\u4e03\u3001CSS\u4e2d\u7684data\u5c5e\u6027<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u57fa\u4e8edata\u5c5e\u6027\u503c\u5bf9\u76f8\u5e94\u7684\u5143\u7d20\u8bbe\u7f6eCSS\u6837\u5f0f\uff0c\u4f8b\u5982\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<p>HTML\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;div class=\"mm\" data-name=\"\u65e0\u7248\u6743\">&lt;\/div>\r\n&lt;div class=\"mm\" data-name=\"undefined\">&lt;\/div><\/pre>\n<\/div>\n<p>CSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.mm{width:256px; height:200px;}\r\n.mm[data-name='\u65e0\u7248\u6743']{background:url(mm1.jpg) no-repeat;}\r\n.mm[data-name='undefined']{background:url(mm3.jpg) no-repeat;}<\/pre>\n<\/div>\n<p>\u7ed3\u679c\u5c31\u4f1a\u51fa\u73b0\u4e00\u4e2a\u5c0f\u7f8e\u5973\u548c\u4e00\u4e2a\u5927\u7f8e\u5973\u7684\u56fe\u7247\uff0c\u4f8b\u5982\u4e0b\u9762\u622a\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-02_000323.png\" width=\"318\" height=\"240\" alt=\"HTML5\u81ea\u5b9a\u4e49\u5c5e\u6027data\u4e0eCSS3\u6837\u5f0f\u63a7\u5236\" class=\"alignnone\" \/><\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201106\/css3-data-style.html\">HTML5\u81ea\u5b9a\u4e49\u5c5e\u6027\u4e0eCSS3\u6837\u5f0fdemo<\/a><\/p>\n<h3>\u516b\u3001\u7b80\u5355\u7684\u7efc\u5408\u5b9e\u4f8b<\/h3>\n<p>\u4e3a\u4e86\u5c55\u793adataset\u7684\u5e94\u7528\uff0c\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e2ademo\u9875\u9762\uff0c\u5982\u679c\u5229\u7528dataset\u5236\u4f5c\u6570\u636e\u56fe\u6548\u679c\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201106\/dataset-chart-example.html\">HTML5 dataset\u4e0b\u7684\u6570\u636e\u56fedemo<\/a><\/p>\n<p>\u6ed1\u52a8HTML5 range\u63a7\u4ef6\uff0c\u53ef\u4ee5\u770b\u5230\u4e0b\u9762\u7684\u6570\u636e\u4ee5\u53ca\u56fe\u5f62\u5927\u5c0f\u8ddf\u7740\u6539\u53d8\u4e86\uff0c\u5982\u4e0b\u622a\u56fe\uff08\u622a\u81eaOpera 11.1\uff09\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"HTML5 dataset\u4e0e\u6570\u636e\u56fe\u622a\u56fe\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201106\/2011-06-14_145505.png\" class=\"alignnone\" width=\"572\" height=\"352\" \/><\/p>\n<h3>\u4e5d\u3001\u7ed3\u8bed<\/h3>\n<p><strong>\u517c\u5bb9\u6027<\/strong><\/p>\n<p>IE11+\u652f\u6301<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/blog\/201907\/2019-07-09_172349.png\" width=\"403\" height=\"278\" alt=\"dataset\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4f7f\u7528<code>dataset<\/code>\u83b7\u53d6\u5143\u7d20\u7684\u81ea\u5b9a\u4e49\u5c5e\u6027\u662f\u4e2a\u5f88\u4e0d\u9519\u7684\u65b9\u6cd5\uff0c\u968f\u7740\u4ee5\u540e\u8d8a\u6765\u8d8a\u591a\u7684\u6d4f\u89c8\u5668\u652f\u6301\uff0c\u4f8b\u5982<a href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=560112\">FireFox\u6d4f\u89c8\u5668<\/a>\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u5c5e\u6027\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u6b63\u5f0f\u4f7f\u7528\u662f\u5f88\u6709\u53ef\u80fd\u7684\u3002\u867d\u7136\u8bf4\u4f7f\u7528<code>dataset<\/code>\u4e0d\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u6027\u80fd\uff0c\u4f46\u662f\u5bf9\u4e8e\u7b80\u6d01\u4ee3\u7801\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u662f\u5f88\u6709\u5e2e\u52a9\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5bf9<code>dataset<\/code>\u6709\u5174\u8da3\uff0c\u505a\u4e86\u4e9bdemo\u4ec0\u4e48\u7684\uff0c\u53ef\u4ee5\u53bb\u8fd9\u91cc<a href=\"https:\/\/github.com\/operasoftware\/devrel-misc\/commits\/gh-pages\/demos\/dataset\/index.html\">Opera Github repository<\/a>\u73a9\u8f6c\u4f60\u7684\u4e9b\u5c0f\u6210\u679c\u3002<\/p>\n<p>\u53c2\u8003\u6587\u7ae0\uff1a<a href=\"http:\/\/dev.opera.com\/articles\/view\/an-introduction-to-datasets\/\">An Introduction to Datasets<\/a><br \/>\ndemo\u652f\u6301\uff1a<a href=\"http:\/\/operasoftware.github.com\/devrel-misc\/demos\/dataset\/\">Cost of Electricity \u20ac\/kWh over the decade<\/a><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u77e5\u8bc6\u7684\u8bef\u5bfc\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=1693\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=1693<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u4e2aHTML\u91cc\u9762\u7684\u4e2a\u4e1c\u4e1c\u2014\u2014dataset\uff0c\u8fd9\u662f\u4e2a<code>DOMStringMap<\/code>\u5bf9\u8c61\uff0c\u662fHTML5\u4e00\u79cd\u65b0\u7684\u542b\u6709\u591a\u4e2a\u540d-\u503c\u5bf9\u7684\u4ea4\u4e92\u53d8\u91cf\u3002\u4f5c\u7528\u662f\u7528\u6765\u65b9\u4fbf\u5730\u63a7\u5236HTML5\u4e2d\u81ea\u5b9a\u4e49\u7684data\u5c5e\u6027\u3002\u7531\u4e8e\u76ee\u524d\u652f\u6301\u8be5\u5c5e\u6027\u7684\u6d4f\u89c8\u5668\u8fd8\u4e0d\u662f\u5f88\u591a\uff0c\u60f3\u8981\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5927\u8303\u56f4\u4f7f\u7528\u8fd8\u4e0d\u592a\u73b0\u5b9e\uff0c\u6240\u4ee5\u672c\u6587\u53ea\u7b80\u5355\u4ecb\u7ecd\u8be5\u5c5e\u6027\u3002<\/p>\n<p>\u672c\u6587\u63d0\u4f9b\u4e00\u4e9b\u5e2e\u52a9\u7406\u89e3\u548c\u8ba4\u8bc6\u7684demo\u9875\u9762\uff0c\u5916\u5e26\u4e00\u4e9b\u5fc5\u8981\u7684\u622a\u56fe\u4ee5\u53ca\u6e90\u4ee3\u7801\u5c55\u793a\uff0c\u603b\u4e4b\uff0c\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u80fd\u591f\u5bf9\u60a8\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[177,604,716,52,13,1453],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/1693"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=1693"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/1693\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=1693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=1693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=1693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}