本文实例讲述了jQuery密码强度检测插件passwordStrength用法。分享给大家供大家参考,具体如下:
这里赋予密码强度为10个等级(实例中的progressImg1.png是一张包含十个状态的图片),然后通过设置每 个状态的CSS样式来直观地显示当前密码的强度。其中,实现此功能的重点和难点就是通过正则进行判断等级,有兴趣的朋友可以慢慢探究。
运行效果截图如下:

在线演示地址如下:
http://demo.jb51.net/js/2015/jquery-passwordStrength-plugs-codes/
具体代码如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jQuery密码强度插件passwordStrength实例演示</title><script type="text/javascript" src="jquery1.3.2.js"></script><script src="jquery.passwordStrength.js" type="text/javascript"></script><script type="text/javascript"> $(document).ready(function(){var $pwd = $("input[name="password"]");$pwd.passwordStrength();$(".Generate_password").click(function(){//产生随机八位密码var pwd = $.passwordStrength.getRandomPassword(8);//将随机密码写入密码框,并触发验证$pwd.val(pwd).trigger("keyup");return false;})});</script><style type="text/css">body{font-size:12px;}.clearfix:after{content:"."; display:block; height:0; clear:both;visibility:hidden;}*html .clearfix{ height:1%;}*+html .clearfix{ height:1%;}.l{float:left;}.form_item{margin-bottom:6px;}.form_item label{width:100px;text-align:right;margin-right:4px;display:block;float:left;padding-top:2px;}.form_item .text{height:14px;padding:2px;width:132px;border:1px solid #999;}.form_item div a{margin-left:6px;}#passwordStrengthDiv{margin-top:6px;}.is0{background:url(images/progressImg1.png) no-repeat 0 0;width:138px;height:7px;}.is10{background-position:0 -7px;}.is20{background-position:0 -14px;}.is30{background-position:0 -21px;}.is40{background-position:0 -28px;}.is50{background-position:0 -35px;}.is60{background-position:0 -42px;}.is70{background-position:0 -49px;}.is80{background-position:0 -56px;}.is90{background-position:0 -63px;}.is100{background-position:0 -70px;}</style></head><body><script type="text/javascript"> if(document.getElementById("GoogleAD")!=null){document.getElementById("GoogleAD").innerHTML = "<div class="SearchEngine_AD1">" + document.getElementById("GoogleADCode").innerHTML + "</div>";}</script><div class="form_item clearfix"><label>密 码:</label><div class="l"><div><input name="password" type="text" class="text" maxlength="16"/><a href="" class="Generate_password">产生随机密码</a></div><div id="passwordStrengthDiv" class="is0"></div></div></div></body></html>希望本文所述对大家jQuery程序设计有所帮助。