tryjquery_dom_html_callback 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">
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("#btn1").click(function(){
    $("#test1").text(function(i,origText){
      return "旧文本: " + origText + " 新文本: Hello world! (index: " + i + ")"; 
    });
  });
  $("#btn2").click(function(){
    $("#test2").html(function(i,origText){
      return "旧 html: " + origText + " 新 html: Hello <b>world!</b> (index: " + i + ")"; 
    });
  });
});
</script>
</head>
<body>
<p id="test1">这是一个有 <b>粗体</b> 字的段落。</p>
<p id="test2">这是另外一个有 <b>粗体</b> 字的段落。</p>
<button id="btn1">显示 新/旧 文本</button>
<button id="btn2">显示 新/旧 HTML</button>
</body>
</html>
 
 
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运行结果
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