
html全局属性:http://www.w3school.com.cn/tags/html_ref_standardattributes.asp
辅助记忆:(ail1,s2,c3,t3,d4)(acdlist)(accesskey,id,lang|style,spellcheck|class,contenteditable,contextmenu|title,tabindex,translate|data-*,dir,draggable,dropzone)
(字母为属性首字母,数字为个数);
陌生:
1.hidden属性
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
<script>
var toggleHidden = function() {
var elem = document.getElementById("toggle");
if (elem.hasAttribute("hidden")) {
elem.removeAttribute("hidden");
} else {
elem.setAttribute("hidden", "hidden");
}
}
</script>
</head>
<body>
<button onclick="toggleHidden()">Toggle</button>
<table>
<tr><th>Name</th><th>City</th></tr>
<tr><td>Adam Freeman</td><td>London</td></tr>
<tr id="toggle" hidden><td>Joe Smith</td><td>New York</td></tr>
<tr><td>Anne Jones</td><td>Paris</td></tr>
</table>
</body>
</html>