DHTML form validation_Javascript教程-查字典教程网
DHTML form validation
DHTML form validation
发布时间:2016-12-30 来源:查字典编辑
摘要:DHTMLformvalidationbody{font-family:TrebuchetMS,LucidaSansUnicode,Aria...

DHTML form validation 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; } /************************************************************************************************************ (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

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