一个入门级的JS表单验证写法示例

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引入JS
- 3.0.0 2.2.0 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.3 2.0.2 2.0.1 2.0.0 1.12.0 1.11.3 1.11.2 1.11.1 1.11.0 1.10.2 1.10.1 1.10.0 1.9.1 1.9.0 1.8.3 1.8.2 1.8.1 1.8.0 1.7.2 1.7.1 1.7 1.6.4 1.6.2 1.6.1 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0
- 1.7.3 1.7.2 1.7.1.0 1.7.0.0
- 2.0.0-beta.0 2.0.0-alpha.55 1.5.0-rc.0 1.4.8 1.4.0 1.3.20 1.2.29 1.1.5 1.0.8
- 1.8.3 1.7.0 1.6.0 1.5.2 1.4.4 1.3.3 1.2.4 1.1.7
- 1.10.4 1.9.7 1.8.10 1.7.8 1.6.3 1.5.4 1.4.6 1.3.3
- core1.6.0 core-compat1.6.0 core1.5.2 core-compat1.5.2 core-full-compat-yc1.4.5 core-full-compat1.4.5 core-full-nocompat-yc1.4.5 core-full-nocompat1.4.5
- 1.4.2 1.4.1 1.4.0 1.3.0 1.2.0 1.1.0
- 3.7.3 3.7.2 3.7.1 3.7.0 3.7 3.6.2 3.6.1 3.6

引入框架
- 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2
- 1.11.4 1.11.3 1.11.2 1.11.1 1.11.0 1.10.4 1.10.3 1.10.2
- 3.3.6 3.3.5 3.3.0 3.2.0 2.3.2

汉王

HTML代码

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>入门级的JS表单验证写法示例</title>
<style>
html, body, div, span, applet, object, iframe,h1, h2, h3, h4, h5, h6, p, blockquote, pre,a, abbr, acronym, address, big, cite, code,del, dfn, em, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,b, u, i, center,dl, dt, dd, ol, ul, li,fieldset, form, label, legend, input,table, caption, tbody, tfoot, thead, tr, th, td,article, aside, canvas, details, embed,figure, figcaption, footer, header, hgroup,menu, nav, output, ruby, section, summary,time, mark, audio, video {margin: 0;padding: 0;border: 0;font-size: 100%;}/* HTML5 display-role reset for older browsers */article, aside, details, figcaption, figure,footer, header, hgroup, menu, nav, section {display: block;float:left;}select, input, button,button img, label {vertical-align: middle;}body {font:normal 12px/1.5 "Microsoft Yahei","微软雅黑",Tahoma,Arial,Helvetica,STHeiti; webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased; color:#666;}ol, ul {list-style: none;}blockquote, q {quotes: none;}blockquote:before, blockquote:after,q:before, q:after {content: '';content: none;}table {border-collapse: collapse;border-spacing: 0;}em {font-style: normal}
select, input, button, button img, label {vertical-align:middle;}input {font-family:"Microsoft Yahei","微软雅黑";webkit-font-smoothing:antialiased;-moz-font-smoothing: subpixel-antialiased}input, input:focus, button, button:focus, select,textarea, textarea:focus {outline:none; -moz-outline:none; -webkit-outline:none; }input:focus { outline:none; -moz-outline:none; -webkit-outline:none; }textarea {resize:none;}
a {color:#666; text-decoration:none;} a:hover {text-decoration:underline;	}a:focus {outline:none; -moz-outline:none;-webkit-outline:none;}body {min-width: 960px;}
/**
哭泣的小丑
*/
.form-main{width:700px;margin:0 auto;padding-top:40px;}
	.form-ipt-box{
		padding: 10px 0 10px 60px;
		clear: both;
	}
	.form-ipt-box .ipt{
		font-size: 14px;
		background:url(//ku.shouce.ren/files/images/201601/56a36622ace26.png);
		width:200px;height:28px;
		border:1px solid #ccc;	
	}
	.form-main .btnsp{
		background-position: -202px -33px;
		width: 97px;
		height: 34px;
		display: inline-block;
		margin-left:45px;
	}
	.form-ipt-box .btn{
		width: 95px;
		height: 32px;
		background-position: 0 -35px;
		background-color: #DDD;
		cursor: pointer;
	}
	.form-main .btnsp , .form-ipt-box .btn{
		background:#ddd url(//ku.shouce.ren/files/images/201601/56a36623963d4.png) no-repeat;
	}
	.form-ipt-box label {
		line-height: 30px;
		width: 70px;
		height: 30px;
		font-size: 14px;
	}
</style>
</head>
<script>
 
  function dsform(){
	var email=document.getElementById("Email"),
		password=document.getElementById("Password");
	if(email.value==""){
		alert("邮箱不能为空");
		return;
	}
	else if(password.value==""){
		alert("密码不能为空");
		return ;
	}
	else{
		alert("Ok");
		document.getElementById("ds-form").submit();	
	}
  }
</script>
<body>
<div class="form-main">
	<form id="ds-form">
        <div class="form-ipt-box">
            <label>邮箱：</label>
            <input type="text" class="ipt" id="Email">
        </div>
        <div class="form-ipt-box">
            <label>密码：</label>
            <input type="password" class="ipt" id="Password">
        </div>
        <div class="form-ipt-box">
            <span class="btnsp">
                <input type="button" class="btn"onclick="dsform()" value="登录">
            </span>
        </div>
	</form>
</div>
</body>
</html>

CSS代码

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JS代码

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名称

一个入门级的JS表单验证写法示例

分类

表单按钮

描述

一个入门级的JS表单验证写法示例，是一个简单的网上教程，高手觉得可能没意思，不过对于初学网页设计或动态编程脚本的网页来说，就比较有用处了，欢迎参考。