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Home > List of blog posts > 常用选择器及JQ与DOM转换-2019年5月20日21点00分
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常用选择器及JQ与DOM转换-2019年5月20日21点00分
小李广花荣
Original
673 people have browsed it

  1. 下面将展示代码及效果图


  2. 实例

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="static/js/jquery-3.4.1.js"></script>
</head>
<body>
<ul>
    <li>item1</li>
    <li>item2</li>
    <li>item3</li>
    <li>item4</li>
    <li>item5</li>
</ul>
<p>Hello Word</p>
<div>
    你好，PHP
</div>
<script>

    $('p').css('color','red');
    $('ul:has(li)').css('color','red');
    $('li').eq(3).css('color','white');
    $('li:first-child').css('color','pink');
    $('ul:nth-child(1)').css('color','black');
    $('div:nth-of-type(1)').css('color','red');

    $('ul li:nth-of-type(3)').css('color','pink');

    //转DOM对象

    var list=$('li');
    console.log(list);
    console.log(list[2]);
    console.log(list.get());

</script>
</body>
</html>

    运行实例 »

    点击 "运行实例" 按钮查看在线实例

    QQ图片20190529174452.pngQQ图片20190529174517.png

  3. 本文学到JQuery文件得引入 

    如何使用选择器$('p');

    常用得选择器 nth-of-type(); nth-child();等

Correction status：Uncorrected

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