jquery_manipulation_prepend 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool</title>
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
    $("#btn1").click(function(){
        $("p").prepend("<b>在开头追加文本</b>。 ");
    });
    $("#btn2").click(function(){
        $("ol").prepend("<li>在开头添加列表项</li>");
    });
});
</script>
</head>
<body>
    
<p>这是一个段落。</p>
<p>这是另外一个段落。</p>
<ol>
<li>列表 1</li>
<li>列表 2</li>
<li>列表 3</li>
</ol>
<button id="btn1">添加文本</button>
<button id="btn2">添加列表项</button>
    
</body>
</html>
 
 
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运行结果
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