简单理解Ext.DomQuery操作CSS3选择器

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>理解Ext.DomQuery</title>
    <link rel="stylesheet" href="src/ext/resources/css/ext-all.css">

    <!--ext-base 必须在ext-all之前引入-->
    <script src="src/ext/ext-base.js"></script>
    <script src="src/ext/ext-all.js"></script>
    <!--<script src="src/ext/ext-lang-zh_CN.js"></script>-->
    <style>
        .red{
            color: red;
        }
    </style>
</head>
<body>
    <div id="elId">
        <ul>
            <li>a - one</li>
            <li>a - two</li>
            <li>a - three</li>
            <li>a - four</li>
        </ul>
        <ul>
            <li>b - one</li>
            <li>b - two</li>
            <li>b - three</li>
            <li>b - four</li>
        </ul>
    </div>

<script>
    Ext.onReady(function () {
        Ext.fly('elId').select('li:nth-child(2n)').addClass('red')
    });
</script>
</body>
</html>

更多属性方法请查看官方文档API 

附带个人收集的Ext3.4书籍:

内含《JavaScript凌厉开发—Ext JS 3详解与实践》,《ExtJs 3.3 中文API.chm》,《ExtJS源码分析与开发实例宝典》,《轻松搞定ExtJS》,《深入浅出ExtJS(第2版)》

百度云地址

提取码:aosf

原文地址:https://www.cnblogs.com/hpx2020/p/10837573.html