JavaScript 正则表达式实现表单完整验证

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>完整验证表单</title>
 <style type="text/css">
 *{margin: 0;padding: 0;list-style:none;}
 body{background:#ccc;}
 .demo{width:400px;padding:40px;background:#efefef;border:solid 1px #666;margin:100px auto 0;line-height:40px;}
 label{display:inline-block;width:20%;}
 input{width:60%;}
 </style>
</head>
<body>
<div class="demo">
 <ul>
 <li>
  <label for="iptqq">Q Q：</label>
  <input type="text" id="iptqq">
  <span></span>
 </li>
 <li>
  <label for="iptPhone">手机：</label>
  <input type="text" id="iptPhone">
  <span></span>
 </li>
 <li>
  <label for="iptEmil">邮箱：</label>
  <input type="text" id="iptEmil">
  <span></span>
 </li>
 <li>
  <label for="iptNum">座机：</label>
  <input type="text" id="iptNum">
  <span></span>
 </li>
 <li>
  <label for="iptName">姓名：</label>
  <input type="text" id="iptName">
  <span></span>
 </li>
 </ul>
</div>
</body>
<script type="text/javascript">
 (function(window){
 function $(id){
  return document.getElementById(id);
 };
 // 获取对象
 var iptqq = $("iptqq"),iptPhone = $("iptPhone"),iptEmil = $("iptEmil"),iptNum = $("iptNum"),iptName = $("iptName");
 // 正则验证表达式
 // 验证座机
 var rxNum = /^0[0-9]{2,3}-[0-9]{7,8}$/;
 // 验证QQ
 var rxqq = /^[1-9][0-9]{4,10}$/;
 // 验证手机
 var rxPhone = /^(13[0-9]|15[012356789]|18[0-9]|17[678]|14[57])[0-9]{8}$/;
 // 验证邮箱
 var rxEmil = /^\w+@\w+\.\w+$/;
 // 验证姓名
 var rxName = /^[\u4E00-\u9FA5]{2,}$/
 // 验证座机
 cation(iptNum,rxNum);
 // 验证QQ
 cation(iptqq,rxqq);
 // 验证手机号
 cation(iptPhone,rxPhone);
 // 验证邮箱
 cation(iptEmil,rxEmil);
 // 验证姓名
 cation(iptName,rxName);
 // 封装验证函数
 function cation(element,regExp){
  element.onblur = function(){
  var txt = this.value;
  if( regExp.test( txt ) ){
   this.nextElementSibling.innerHTML = "正确"
   this.nextElementSibling.style.color = "green";
  }else{
   this.nextElementSibling.innerHTML = "错误"
   this.nextElementSibling.style.color = "red";
  }
  }
 }
 })(window)
</script>
</html>