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  • 表单js验证实例

    <!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>表单验证实例</title>
<style type="text/css">
*{padding:0px;margin:0px;font-size:12px;font-family:"微软雅黑";}
#box{980px;height:622px;padding:69px 5px 5px 22px; margin:0 auto;}
#content{978px;height:528px;background:#fff;border:1px solid #CCC;float:left;}
.bottom{978px;height:90px;float:left;}
.top{968px;height:27px;border-bottom:1px solid #ccc;font-weight:bold;line-height:27px;padding-left:10px;float:left;}
.main{968px;height:500px;float:left;}
.mainLeft{682px;height:459px;float:left;padding:41px 43px 0px 41px;}
.mainRight{201px;height:410px;float:left;border-left:1px solid #CCC;text-align:center;padding-top:90px;}
.mlTop{682px;height:54px;float:left;border-bottom:1px dashed #CCC;}
.mlmain{542px;height:384px;float:left;padding-top:20px;padding-left:140px;}
.inputBox{528px;height:40px;padding-top:15px;line-height:22px;border:1px solid #FFF;padding-left:12px;_528px;_padding-left:12px;}
.passBox{540px;height:40px;padding-top:15px;border:1px solid #FFF;line-height:22px;}
.server{505px;height:40px;padding-left:35px;font-size:11px;line-height:30px;}
.submit{455px;height:40px;padding-left:85px;}
.server span{color:#999;}
.server a{text-decoration:none;color:#601C1B;}
.index{display:inline-block;116px;height:22px;float:left;text-align:right;line-height:15px;_line-height:22px;}
.wrong{color:#5A1E1E;padding-left:5px;display:inline-block;border:1px solid #5A1E1E;179px;height:22px;line-height:22px;background:#FFF;
    padding-left:10px;display:none;}
.right{color:#030;padding-left:5px;display:inline-block;50px;height:22px;line-height:22px;display:none;}
</style>
</head>
<body>
<div id="box">
<div id="content">
  <div class="top">
  注册新用户
  </div>
  <div class="main">
    <div class="mainLeft">
      <div class="mlmain">
        <form name="login" action="index.html" method="post">
          <div class="inputBox">
          E-mail地址：<input  name="email" type="text" />
          <span class="wrong">X 请输入有效的E-mail的地址</span> <span class="right">√正确</span>
          </div>
          <div class="passBox">
          设置登录密码：<input  name="password" type="password" />
<span class="wrong">X 请输入正确的密码</span> <span class="right">√正确</span>
          </div>
          <div class="passBox">
          再次输入密码：<input  name="repass" type="password" type="text" />
<span class="wrong">X 请输入与上面一致的密码</span> <span class="right">√正确</span>
          </div>
          <div class="passBox">
          请输入手机号：<input  name="tel" type="text" />
<span class="wrong">X 请输入正确的手机号</span> <span class="right">√正确</span>
          </div>
          <div class="passBox">
          输入您的姓名：<input  name="yourname" type="text" />
<span class="wrong">X 请输入正确的姓名</span> <span class="right">√正确</span>
          </div>
          <div class="server">
          <span>请阅读</span><a href="#">《XXXXXX服务条款》</a>
          </div>
          <div class="submit">
          <input name="" type="submit" src="images/按钮.jpg" value="提交按钮" onclick="return checkLogin()" />
          </div>
       </form>
      </div>
          </div>
    <div class="mainRight">
      我已经注册了，现在就<input type="button" value="登陆" />
    </div>
  </div>
  <div class="bottom">
  </div>

</div>
</div>

<script type="text/javascript">
document.login.email.onfocus=function(){
	this.parentNode.style.background="#F2F2F2";
	this.parentNode.style.border="1px solid #F2F2F2"
}
document.login.email.onblur=function(){
	this.parentNode.style.background="";
	this.parentNode.style.border=""
	var regEmail=/^\w{3,}@[a-zA-Z]+\.\w{3,}$/
    if(regEmail.test(this.value)){
	    this.parentNode.getElementsByTagName("span")[0].style.display="none";
		this.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		this.parentNode.getElementsByTagName("span")[1].style.display="none";
		this.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
	}
}
document.login.password.onfocus=function(){
	this.parentNode.style.background="#F2F2F2";
	this.parentNode.style.border="1px solid #F2F2F2";
}
document.login.password.onblur=function(){
	this.parentNode.style.background="";
	this.parentNode.style.border="";
	var regPass=/^\w{6,}$/;
	if(regPass.test(this.value)){
		this.parentNode.getElementsByTagName("span")[0].style.display="none";
		this.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		this.parentNode.getElementsByTagName("span")[1].style.display="none";
		this.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
	}
}
document.login.repass.onfocus=function(){
	this.parentNode.style.background="#F2F2F2";
	this.parentNode.style.border="1px solid #F2F2F2"
}
document.login.repass.onblur=function(){
	this.parentNode.style.background="";
	this.parentNode.style.border=""
	var regPass=/^\w{6,}$/;
	if(regPass.test(this.value) && this.value==document.login.password.value){
		this.parentNode.getElementsByTagName("span")[0].style.display="none";
		this.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		this.parentNode.getElementsByTagName("span")[1].style.display="none";
		this.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
	}
}
document.login.tel.onfocus=function(){
	this.parentNode.style.background="#F2F2F2";
	this.parentNode.style.border="1px solid #F2F2F2"
}
document.login.tel.onblur=function(){
	this.parentNode.style.background="";
	this.parentNode.style.border=""
	var regTel=/^[1][3|5|8][0-9]{9}$/;
	if(regTel.test(this.value)){
		this.parentNode.getElementsByTagName("span")[0].style.display="none";
		this.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		this.parentNode.getElementsByTagName("span")[1].style.display="none";
		this.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
	}
}
document.login.yourname.onfocus=function(){
	this.parentNode.style.background="#F2F2F2";
	this.parentNode.style.border="1px solid #F2F2F2"
}
document.login.yourname.onblur=function(){
	this.parentNode.style.background="";
	this.parentNode.style.border="";
	var regName=/^[\u4e00-\u9FA5]{2,6}$/;
	if(regName.test(this.value)){
		this.parentNode.getElementsByTagName("span")[0].style.display="none";
		this.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		this.parentNode.getElementsByTagName("span")[1].style.display="none";
		this.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
	}
}
function checkLogin(){
	var email=document.login.email
	var regEmail=/^\w{3,}@[a-zA-Z]+\.\w{3,}$/
	if(regEmail.test(email.value)){
		email.parentNode.getElementsByTagName("span")[0].style.display="none";
		email.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		email.parentNode.getElementsByTagName("span")[1].style.display="none";
		email.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
		email.focus();
		email.select();
		return false;
	}
	
	
	var password=document.login.password
	var regPass=/^\w{6,}$/;
	if(regPass.test(password.value)){
		password.parentNode.getElementsByTagName("span")[0].style.display="none";
		password.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		password.parentNode.getElementsByTagName("span")[1].style.display="none";
		password.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
		password.focus();
		password.select();
		return false;
	}
	
	var repass=document.login.repass
	var regRepass=/^\w{6,}$/;
	if(regRepass.test(repass.value)){
		repass.parentNode.getElementsByTagName("span")[0].style.display="none";
		repass.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		repass.parentNode.getElementsByTagName("span")[1].style.display="none";
		repass.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
		repass.focus();
		repass.select();
		return false;
	}
	
	var tel=document.login.tel
	var regTel=/^[1][3|5|8][0-9]{9}$/;
	if(regTel.test(tel.value)){
		tel.parentNode.getElementsByTagName("span")[0].style.display="none";
		tel.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		tel.parentNode.getElementsByTagName("span")[1].style.display="none";
		tel.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
		tel.focus();
		tel.select();
		return false;
	}
	
	
	var yourname=document.login.yourname
	var regName=/^[\u4e00-\u9FA5]{2,6}$/;
	if(regName.test(yourname.value)){
		yourname.parentNode.getElementsByTagName("span")[0].style.display="none";
		yourname.parentNode.getElementsByTagName("span")[1].style.display="inline-block";
	}else{
		yourname.parentNode.getElementsByTagName("span")[1].style.display="none";
		yourname.parentNode.getElementsByTagName("span")[0].style.display="inline-block";
		yourname.focus();
		yourname.select();
		return false;
	}
}

</script>
</body>
</html>
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  • 原文地址：https://www.cnblogs.com/asqq/p/2459715.html
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