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문자

返回值:jQuery

first()

V1.4概述

获取第一个元素

示例

描述:

获取匹配的第一个元素

HTML 代码:
<ul>
    <li>list item 1</li>
    <li>list item 2</li>
    <li>list item 3</li>
    <li>list item 4</li>
    <li>list item 5</li>
</ul>
jQuery 代码:
$('li').first()
结果:
[ <li>list item 1</li> ]


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