替换html标签
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>2.21节,从字符串中剔除所有HTML代码</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<h2>从字符串中剔除所有HTML代码</h2>
<input type="text" id='delHtmlTags' value="剔除所有HTML代码">
失去焦点的时候执行操作
<script type="text/javascript">
window.onload = function(){
var _delHtmlTags = document.getElementById("delHtmlTags");
_delHtmlTags.onblur =function(){
this.value = this.value.replace(/<[\/\!]*[^<>]*>/ig, "");
}
};
</script>
</body>
</html>