for example

<link href="js/lib/yplib/css/components.css" rel="stylesheet">
<script src="js/lib/yplib/js/components.js"></script>

varTab = new VariableTab('first', 'context', [{url: 'inner.html', title: '欢迎首页'}, {url: 'example_1.html', title: '示例1'}, {url: 'http://ee.seu.edu.cn', title: '示例2'}, {url: 'http://ee.seu.edu.cn', title: '示例3'}, {url: 'http://ee.seu.edu.cn', title: '示例4'}, {url: 'http://ee.seu.edu.cn', title: '示例5'}]);
varTab.addTab('欢迎首页', false);
varTab.destroy();