js过滤HTML标签完整实例
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
window.onload=function()
{
var oTxt1=document.getElementById('txt1');
var oTxt2=document.getElementById('txt2');
var oBtn=document.getElementById('btn');
oBtn.onclick=function()
{
var reg=/<[^<>]+>/g;
oTxt2.value=oTxt1.value.replace(reg,'');
};
};
</script>
</head>
<body>
<textarea id="txt1" cols="40" rows="10"></textarea><br />
<input type="button" value="过滤" id="btn" /><br />
<textarea id="txt2" cols="40" rows="10"></textarea>
</body>
</html>
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