<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Document</title><style type="text/css">#r12306{width: 1000px;height: 500px;margin: 0 auto;background-color: #eee;}#r12306 p{background-color: rgb(49,146,208);height: 40px;line-height: 40px;color: #fff;text-indent: 20px;}#table{margin: 0 auto;}#table tr{height: 40px;line-height: 40px;}#table select{width: 150px;height: 23px;color: #777;margin-left: 23px;}#btn{display: block;position: relative;left: 365px;bottom: -20px;font-size: 16px;color: #fff;background-color: rgb(49,146,208);outline: none;border: 1px solid #ccc;border-radius: 5px;width: 80px;height: 40px;cursor: pointer;}</style></head><body><div id="r12306"><p>用户注册</p><table id="table"><tr><td>用户名：</td><td><input type="text" value=""></td><td></td></tr><tr><td>登录密码：</td><td><input type="password" value=""></td><td></td></tr><tr><td>确认密码：</td><td><input type="password" value=""></td><td></td></tr><tr><td>姓名：</td><td><input type="text" value=""></td><td></td></tr><tr><td>性别：</td><td><select><option value="male">男</option><option value="female">女</option></select></td><td></td></tr><tr><td>身份证号码：</td><td><input type="text" value=""></td><td></td></tr><tr><td>邮箱：</td><td><input type="text" value=""></td><td></td></tr><tr><td>手机号码：</td><td><input type="text" value=""></td><td></td></tr></table><input id="btn" type="button" value="提交"></div><!-- <script src="跨浏览器删加事件处理程序.js"></script> --><script type="text/javascript">var EventUtil = { addHandler: function(element,type,handler){ if(element.addEventListener){ element.addEventListener(type,handler); }else if(element.attachEvent){ element.attachEvent('on' + type,handler); }else{ element['on' + type] = null; } } }var table = document.getElementById('table'), trlists = table.getElementsByTagName('tr'), btn = document.getElementById('btn'); arr = []; for(var i=0; i<trlists.length; i++){ trlists[i].getElementsByTagName('td')[0].style.textAlign = 'right'; trlists[i].getElementsByTagName('td')[0].style.cursor = 'pointer'; trlists[i].getElementsByTagName('td')[0].style.color = '#777'; var tdlist =trlists[i].getElementsByTagName('td')[2]; tdlist.style.color = 'red'; tdlist.style.fontSize = '12px'; tdlist.style.width= '270px'; tdlist.style.paddingLeft = '10px'; arr.push(tdlist); } EventUtil.addHandler(trlists[0].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){ var pattern = /^[a-zA-Z](\w|_){5,19}/; if(pattern.test(this.value)){ arr[0].innerHTML = 'ok'; }else{ arr[0].innerHTML = '6-20位字母、数字或“_”,字母开头'; } })EventUtil.addHandler(trlists[1].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){var pattern = /\S{6,19}/; if(pattern.test(this.value)){ arr[1].innerHTML = 'ok'; }else{ arr[1].innerHTML = '6-18位，包括数字字母或符号，中间不能有空格'; } })EventUtil.addHandler(trlists[2].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){if(this.value == ''){arr[2].innerHTML = '设置密码';} else if(this.value == trlists[1].getElementsByTagName('td')[1].getElementsByTagName('input')[0].value){ arr[2].innerHTML = 'ok'; }else{ arr[2].innerHTML = '两次输入的密码不一致'; } })EventUtil.addHandler(trlists[3].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){var pattern = /[\u4e00-\u9fa5]{2,4}/; if(pattern.test(this.value)){ arr[3].innerHTML = 'ok'; }else{ arr[3].innerHTML = '真实姓名为两位到四位的中文字符'; } })EventUtil.addHandler(trlists[5].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){var pattern = /^[1-9](\d{14}|\d{16}(\d|x))$/i; if(pattern.test(this.value)){ arr[5].innerHTML = 'ok'; }else{ arr[5].innerHTML = '请输入18位的身份证号码'; } })EventUtil.addHandler(trlists[6].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){var pattern = /(\w|_)*@(qq|open)\.com(\.cn)?$/; if(pattern.test(this.value)){ arr[6].innerHTML = 'ok'; }else{ arr[6].innerHTML = '邮箱格式不正确'; } })EventUtil.addHandler(trlists[7].getElementsByTagName('td')[1].getElementsByTagName('input')[0],'blur',function(e){var pattern = /^1(3\d|4[4-9]|5[0-35-9]|6[67]|7[0-13-8]|8\d|9[0-9])\d{8}$/; if(pattern.test(this.value)){ arr[7].innerHTML = 'ok'; }else{ arr[7].innerHTML = '手机号码不正确'; } })EventUtil.addHandler(btn,'mousedown',function(e){btn.style.backgroundColor = 'rgb(49,80,235)';})EventUtil.addHandler(btn,'mouseup',function(e){var num = 0;btn.style.backgroundColor = 'rgb(49,146,208)';for(var i=0; i<arr.length; i++){if(i=4){num++;}else if(arr[i].innerHTML == 'ok'){num++;}else{alert('验证无法通过');break;}}if(num=8){alert('验证成功');}})</script></body></html>求大神帮忙啊，为什么添加的这个按钮mouseup事件会使浏览器崩溃啊？哪里逻辑错了吗？我想通过num实现验证成功？
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