JavaScript替换HTML标签

JavaScript替换HTML标签


1、说明

      获取HTML字符串(包含标签),通过正则表达式替换HTML标签,输出替换后的字符串


2、实现JavaScript代码

function deleteTag()
{
	var regx = /<[^>]*>|<\/[^>]*>/gm;
	var tagStr = $("#ul_li").html();
	alert("替换之前的字符串:" + tagStr);
	var result = tagStr.replace(regx,"");
	alert("替换之后的字符串:" + result);
}

3、运行结果

(1)初始化时


JavaScript替换HTML标签

(2)单击按钮后


JavaScript替换HTML标签

(3)单击“确定”后


JavaScript替换HTML标签


4、附录

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>JavaScript替换HTML标签</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<script type="text/javascript" src="js/jquery-1.11.0.js"></script>
	<script type="text/javascript">
	    function deleteTag()
	    {
	        var regx = /<[^>]*>|<\/[^>]*>/gm;
	        var tagStr = $("#ul_li").html();
	        alert("替换之前的字符串:" + tagStr);
	        var result = tagStr.replace(regx,"");
	        alert("替换之后的字符串:" + result);
	    }
	</script>

  </head>
  
  <body>
     <ul id="ul_li">
       <li class="peach">桃树</li>
       <li class="pear">梨树</li>
       <li>樟树</li>
       <li>枫树</li>
       <li>松树</li>
     </ul>
     <input type="button" value="替换HTML标签" onclick="deleteTag()"/>
  </body>
</html>



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JavaScript替换HTML标签

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