DHTML form validation- Javascript - 软晨网（RuanChen.com）

当前位置: 首页 > 图文教程 > 网络编程 > Javascript > DHTML form validation

Javascript: javascript:以前写的xmlhttp池,代码; javascript firefox兼容ie的dom方法脚本; 常用的javascript function代码; javascript Discuz代码中的msn聊天小功能; js 简单类代码; 分离式javascript取当前element值的代码; javascript document.images实例; javascript 调用其他页面的js函数或变量的脚本; javascript一点特殊用法; js中cookie的使用详细分析; javascript实现通过拼音首字母快速选择下拉列表; javascript解析xml字符串的函数; 用javascript和css模拟select的脚本; javascript操作select参考代码; javascript String 的扩展方法集合; javascript数组的扩展实现代码集合; 宝儿的zQuery库选择器简单原型; 超级经典一套鼠标控制左右滚动图片带自动翻滚; javascript关键字加亮加连接; JavaScript 应用类库代码

No. « ‹ 99 100 101 102 › »

技术文章搜索

关键字

Javascript 中的 DHTML form validation

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 252 ::

收藏到网摘: n/a

用js实现的十进制的颜色值转换成十六进制的代码 js资料toString 方法

点击运行可以看到效果:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<title>DHTML form validation</title>
<meta name="Author" content="Alf Magne Kalleland (post@dhtmlgoodies.com)">
<meta name="KeyWords" content="DHTML, HTML, Dynamic HTML,CSS, Menu, Menus,Drag and drop, Drag, Drop, Cross-browser, Cross browser, Examples, Javascript, Free, Javascripts, Cascading Style Sheet, Crossbrowser,Alf Magne Kalleland, Batalf, minesweeper">
<meta name="robots" content="follow">
<meta name="googlebot" content="index, follow">
<head>
<style type="text/css">
body{ font-family: Trebuchet MS, Lucida Sans Unicode, Arial, sans-serif; /* Font to use */ background-color:#FFF; font-size:0.9em;
}
/* Style for invalid input */
.invalidInput{ border:1px solid #F00; padding:1px;
}
/* Style for valid input */
.validInput{ border:1px solid #FFF; padding:1px;
}
</style>
<script type="text/javascript">
/************************************************************************************************************
(C) www.dhtmlgoodies.com, February 2006
This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.
Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.
Thank you!
www.dhtmlgoodies.com
Alf Magne Kalleland
************************************************************************************************************/
// Patterns
var formValidationMasks = new Array();
formValidationMasks['email'] = /\b[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b/gi; // Email
formValidationMasks['numeric'] = /^[0-9]+$/gi; // Numeric
formValidationMasks['zip'] = /^[0-9]{5}\-[0-9]{4}$/gi; // Numeric
var formElementArray = new Array();
function validateInput(e,inputObj)
{ if(!inputObj)inputObj = this; var inputValidates = true; if(formElementArray[inputObj.name]['required'] && inputObj.tagName=='INPUT' && inputObj.value.length==0)inputValidates = false; if(formElementArray[inputObj.name]['required'] && inputObj.tagName=='SELECT' && inputObj.selectedIndex==0){ inputValidates = false; } if(formElementArray[inputObj.name]['mask'] && !inputObj.value.match(formValidationMasks[formElementArray[inputObj.name]['mask']]))inputValidates = false; if(formElementArray[inputObj.name]['freemask']){ var tmpMask = formElementArray[inputObj.name]['freemask']; tmpMask = tmpMask.replace(/-/g,'\\-'); tmpMask = tmpMask.replace(/S/g,'[A-Z]'); tmpMask = tmpMask.replace(/N/g,'[0-9]'); tmpMask = eval("/^" + tmpMask + "$/gi"); if(!inputObj.value.match(tmpMask))inputValidates = false } if(formElementArray[inputObj.name]['regexpPattern']){ var tmpMask = eval(formElementArray[inputObj.name]['regexpPattern']); if(!inputObj.value.match(tmpMask))inputValidates = false } if(!formElementArray[inputObj.name]['required'] && inputObj.value.length==0 && inputObj.tagName=='INPUT')inputValidates = true; if(inputValidates){ inputObj.parentNode.className='validInput'; }else{ inputObj.parentNode.className='invalidInput' }
}
function isFormValid()
{ var divs = document.getElementsByTagName('DIV'); for(var no=0;no<divs.length;no++){ if(divs[no].className=='invalidInput')return false; } return true;
}
function initFormValidation()
{ var inputFields = document.getElementsByTagName('INPUT'); var selectBoxes = document.getElementsByTagName('SELECT'); var inputs = new Array(); for(var no=0;no<inputFields.length;no++){ inputs[inputs.length] = inputFields[no]; } for(var no=0;no<selectBoxes.length;no++){ inputs[inputs.length] = selectBoxes[no]; } for(var no=0;no<inputs.length;no++){ var required = inputs[no].getAttribute('required'); if(!required)required = inputs[no].required; var mask = inputs[no].getAttribute('mask'); if(!mask)mask = inputs[no].mask; var freemask = inputs[no].getAttribute('freemask'); if(!freemask)freemask = inputs[no].freemask; var regexpPattern = inputs[no].getAttribute('regexpPattern'); if(!regexpPattern)regexpPattern = inputs[no].regexpPattern; var div = document.createElement('DIV'); div.className = 'invalidInput'; inputs[no].parentNode.insertBefore(div,inputs[no]); div.appendChild(inputs[no]); div.style.width = inputs[no].offsetWidth + 'px'; inputs[no].onblur = validateInput; inputs[no].onchange = validateInput; inputs[no].onpaste = validateInput; inputs[no].onkeyup = validateInput; formElementArray[inputs[no].name] = new Array(); formElementArray[inputs[no].name]['mask'] = mask; formElementArray[inputs[no].name]['freemask'] = freemask; formElementArray[inputs[no].name]['required'] = required; formElementArray[inputs[no].name]['regexpPattern'] = regexpPattern; validateInput(false,inputs[no]); }
}
window.onload = initFormValidation;
</script>
</head>
<body>
<form action="" method="post" onsubmit="if(isFormValid())alert('Everything is ok'); else { alert('Something is wrong');return false; }">
<fieldset> <legend>DHTML form validation</legend> <table> <tr> <td><label for="input1">First name:</label></td> <td><input name="input1" id="input1" type="text" required="1" value=""></td> <td>Required = 1</td> </tr> <tr> <td><label for="input2">Last name:</label></td> <td><input name="input2" id="input2" type="text" required="1" value=""></td> <td>Required = 1</td> </tr> <tr> <td><label for="email">Email:</label></td> <td><input name="email" id="email" mask="email" type="text" size="30" required="1" value=""></td> <td>Required = 1, mask = email</td> </tr> <tr> <td><label for="age">Age:</label></td> <td><input name="age" id="age" mask="numeric" type="text" required="1" value="" size="3" maxlength="3"></td> <td>Required = 1, mask = numeric</td> </tr> <tr> <td><label for="code">Code(SSSS-NN):</label></td> <td><input name="code" id="code" freemask="SSSS-NN" type="text" required="1" value="" size="8" maxlength="7"></td> <td>Required = 1, freemask = SSSS-NN i.e four letters and two digits</td> </tr> <tr> <td><label for="zipcode">Zip code(NNNNN-NNNN):</label></td> <td><input name="zipcode" id="zipcode" mask="zip" type="text" required="1" value="" size="11" maxlength="10"></td> <td>Required = 1, mask = zip</td> </tr> <tr> <td><label for="zipcode">Domain:</label></td> <td><input name="domain" id="domain" regexpPattern="/\b[A-Z0-9.-]+\.[A-Z]{2,4}\b/gi" size="30" type="text" value=""></td> <td>regexpPattern="/\b[A-Z0-9.-]+\.[A-Z]{2,4}\b/gi"</td> </tr> <tr> <td>Country</td> <td><select name="country" required="1"> <option value=""></option> <option value="Norway">Norway</option> <option value="Denmark">Denmark</option> <option value="Sweden">Sweden</option> <option value="Finland">Finland</option> <option value="France">France</option> <option value="United States">United States</option> <option value="Germany">Germany</option> </select> </td> <td>Required = 1</td> </tr> <tr> <td><input type="submit" value="Send"></td> </tr> </table>
</fieldset> </form>
</body>
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

用js实现的十进制的颜色值转换成十六进制的代码 js资料toString 方法

Javascript 中的 DHTML form validation

评论 (0) All