<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
padding: 10px;
}
.box{
width: 220px;
height: 200px;
border: 1px solid #808080;
}
</style>
<script type="text/javascript">
window.onload = function(){
//获取div
var odiv = document.getElementsByTagName("div")[0];
//获取文本框的内容
var iptValue = document.getElementsByTagName("textarea")[0];
//获取按钮
var btn = document.getElementsByTagName("button")[0];
btn.onclick = function(){
Value = iptValue.value;
//将value过滤
var reg = /王德发|妈的|草|尼玛/g;
//将匹配到的值替换为*
var res = Value.replace(reg,"*");
//将插入的值添加到div种
odiv.innerHTML = res;
}
}
</script>
</head>
<body>
<h2>敏感词过滤</h2>
<textarea rows="10" cols="30"></textarea>
<br>
<button type="button">发布</button>
<div class="box"></div>
</body>
</html>