<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta name="decription" content="This is an HTML5 example">
<meta name="keywords" content="HTML5,CSS3,Javascript">
<title>HTML5</title>
</head>
<body>
<input type="text" id="mytest" >
<button onclick="test_()">submit</button>
<script type="text/javascript">
function test_(){
var theinput=document.getElementById("mytest").value;
var p1=/^(13[0-9]\d{8}|15[0-35-9]\d{8}|18[0-9]\{8}|14[57]\d{8})$/;
//(p1.test(theinput));
if(p1.test(theinput)==false) {
alert('请填写正确电话号码!!');
document.getElementById("mytest").value="";
}
else alert("succeess");
}
</script>
</body>
</html>网上很多不能用，，所以自己写了个
