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テキスト

返回值:Array<Element(s)>:header

V1.2概述

匹配如 h1, h2, h3之类的标题元素

示例

描述:

给页面内所有标题加上背景色

HTML 代码:
<h1>Header 1</h1>
<p>Contents 1</p>
<h2>Header 2</h2>
<p>Contents 2</p>
jQuery 代码:
$(":header").css("background", "#EEE");
结果:
[ <h1 style="background:#EEE;">Header 1</h1>, <h2 style="background:#EEE;">Header 2</h2> ]
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