分享JS表單驗(yàn)證源碼（帶錯(cuò)誤提示及密碼等級(jí)）

來(lái)源：本站原創(chuàng)|時(shí)間：2020-01-10|欄目：JavaScript|點(diǎn)擊：次

先曬圖

index.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Index</title>
 <link rel="stylesheet" href="css/style.css">
</head>
<body>
<!-- 頭部 -->
<header>
 <div class="header-wrap">
 <!-- 左側(cè) -->
 <div class="header-left">
 <div class="logo">
 <img src="img/logo.png">
 </div>
 <div class="logo-text">
 <span class="strong">XX高鐵客戶(hù)服務(wù)中心 | </span>
 <span>客戶(hù)服務(wù)</span>
 </div> 
 </div>
 <div class="header-right">
 <span>意見(jiàn)反饋  <a href="#">test@com</a></span>
 <span>您好，請(qǐng)<a href="#"> 登錄</a>  |  <a href="#">注冊(cè)</a></span>
 <div class="show-nav">
 <a href="#">
  我的XX
  <img src="img/arrow.png">
 </a>
 <div class="hide_nav">
  <ul>
  <li class="first-li">未完成訂單</li>
  <li>已完成訂單（改/退）</li>
  <li class="line">我的保險(xiǎn)</li>
  <li class="line">查勘個(gè)人信息</li>
  <li>賬戶(hù)安全</li>
  <li class="line">常用聯(lián)系人</li>
  <li class="line">重點(diǎn)旅客預(yù)約</li>
  <li>遺失物品尋找</li>
  <li class="line">服務(wù)查詢(xún)</li>
  <li class="line">投訴</li>
  <li>建議</li>
  </ul>
 </div>
 </div>
 <span class="phone">
 <img src="img/phone.png">
 <a href="#">手機(jī)版</a>
 </span> 
 </div>
 </div>
</header>
<!-- 主體部分 -->
<div class="content">
 <p class="title">
 <span class="strong">您現(xiàn)在的位置：</span>
 <span>客運(yùn)首頁(yè) > 注冊(cè)</span>
 </p>
 <div id="Total">
 <div id="Title">賬戶(hù)信息</div>
 <div class="item">
 <span class="important">*</span>
 <label for="userAccount">用 戶(hù) 名 :</label>
 <input type="text" id="userAccount" placeholder=" 用戶(hù)設(shè)置成功后不可修改">
 <span class="item_">6-30位字母、數(shù)字或“_”，字母開(kāi)頭</span>
 </div>
 <div class="item" style="margin-bottom: -28px;">
 <span class="important">*</span>
 <label for="userPass">登陸密碼 :</label>
 <input type="password" id="userPass" placeholder=" 6-20位字母、數(shù)字或符號(hào)" style="top: 15px;">
 <span id="first"></span>
 <span id="second"></span>
 <span id="third"></span>
 <span class="item_" style="display: block;margin-top: 39px;margin-left: 161px;"></span>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="userPass_">確認(rèn)密碼 :</label>
 <input type="password" id="userPass_" placeholder=" 再次輸入您的登錄密碼">
 <span class="item_"></span>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="userName">姓　　名 :</label>
 <input type="text" id="userName" placeholder=" 請(qǐng)輸入姓名">
 <span class="item_" id="show_div"><a href="#" class="line">姓名填寫(xiě)規(guī)則</a></span>
 <div class="hide_div">
 <p>1.確認(rèn)姓名中生僻字無(wú)法輸入時(shí)，可用生僻字拼音或同音字替代。<br>
2.輸入姓名保存后，遇有系統(tǒng)無(wú)法正確顯示的漢字，可用該漢字的拼音或同音字重新修改后保存。<br>
3.姓名中有繁體字無(wú)法輸入時(shí)，可用簡(jiǎn)體替代。<br>
4.姓名較長(zhǎng)，漢字與英文字符合計(jì)超過(guò)30個(gè)（1個(gè)漢字算2個(gè)字符）的，需按姓名中第一個(gè)漢字或英文字符開(kāi)始按順序連續(xù)輸入30個(gè)字符（空格字符不輸入），其中英文字符輸入時(shí)不區(qū)別大小寫(xiě)
 </p>
 </div>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="idinfo">身份證號(hào) :</label>
 <select name="idinfo" id="idinfo">
 <option value="" selected="selected">二代身份證</option>
 <option value="">港澳通行證</option>
 <option value="">臺(tái)灣通行證</option>
 <option value="">護(hù)照</option>
 </select>
 </div>
 <div class="item" style="margin-top: 51px;">
 <span class="important">*</span>
 <label for="information">證件號(hào)碼 :</label>
 <input type="text" id="information" placeholder=" 請(qǐng)輸入您的證件號(hào)碼">
 <span class="item_"></span>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="email">郵　　箱 :</label>
 <input type="email" id="email" placeholder="請(qǐng)輸入正確郵箱格式">
 <span class="item_"></span>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="telephone">手機(jī)號(hào)碼 :</label>
 <input type="tel" id="telephone" placeholder=" 請(qǐng)輸入您的手機(jī)號(hào)碼">
 <span class="item_">請(qǐng)正確填寫(xiě)手機(jī)號(hào)碼，稍后將向該手機(jī)號(hào)碼發(fā)送短信驗(yàn)證碼</span>
 </div>
 <div class="item">
 <span class="important">*</span>
 <label for="curtomer">旅客類(lèi)型 :</label>
 <select name="curtomer" id="curtomer">
 <option value="" selected="selected">成人</option>
 <option value="">兒童</option>
 <option value="">學(xué)生</option>
 <option value="">殘疾軍人</option>
 <option value="">傷殘人民警察</option>
 </select>
 <span class="item_"></span>
 </div>
 <div id="end">
 <input type="checkbox" id="choose">
 <label for="choose">我已閱讀并同意遵守<a href="#">《中國(guó)鐵路客戶(hù)服務(wù)中心網(wǎng)站服務(wù)條款》</a></label>
 <div class="btn_box">
 <button id="handup">下一步</button>
 </div>
 </div>
 </div>
</div>
<!-- 底部 -->
<footer>
 <p>關(guān)于我們 | 網(wǎng)站聲明</p>
 <p>Copyright © 2019 test.com All rights reserved | 京ICP備 xxxxxxxx號(hào)</p>
</footer>
<script src="js/index.js"></script>
</body>
</html>

style.css

label {
 cursor: pointer; }

a{
 color:inherit;
}

* {
 margin: 0;
 padding: 0;
 list-style: none;
 text-decoration: none;
 box-sizing: border-box; }

/*頭部*/
header{
 width:100%;
 height:120px;
 background-color:rgb(239,239,239);
 border-bottom:2px solid rgb(36,135,201);
}

.header-wrap{
 width:1200px;
 margin:0 auto;
}

.header-wrap span,
.header-wrap img{
 cursor:pointer;
}

.header-wrap a:hover{
 color:rgb(251,116,3);
}
/*導(dǎo)航左側(cè)*/
.header-left{
 float:left;
 width:500px;
}

.logo{
 float:left;
 width:100px;
 margin-right:28px;
}

.logo-text{
 float:left;
 width:300px;
 color:rgb(110,110,110);
 height: 120px;
 line-height: 120px;
}

.logo-text .strong{
 font-size: 20px;
 font-weight: bold;
 color: rgb(80,80,80);
}
/*導(dǎo)航右側(cè)*/
.header-right{
 float:right;
 width:700px;
 height: 120px;
 line-height: 120px;
 padding-left:60px;
 position: relative;
}

.header-right img{
 width:14px;
}

.header-right span{
 margin-right:30px;
 float:left;
}

.show-nav{
 cursor:pointer;
 position: relative;
 z-index: 5;
 float:left;
}
/*隱藏區(qū)域*/
.hide_nav{
 display: none;
 position: absolute;
 width: 154px;
 background-color: #fff;
 border: 1px solid rgb(251,116,3);
 left: 0;
 font-size: 14px;
 top: 86px;
}

.show-nav:hover .hide_nav{
 display: block;
}

.hide_nav ul{
 width: 100%;
 padding: 0 10px;
}

.hide_nav ul li{
 line-height: 37px;
 height: 37px;
 width: 100%;
 color:rgb(110,110,110);
 cursor:pointer;
}

.hide_nav ul li:hover{
 color:rgb(251,116,3);
}
.line{
 border-bottom:1px dotted rgb(110,110,110);
}
.phone{
 margin-left:20px;
}
/*圖標(biāo)和文字垂直居中對(duì)齊*/
.phone img, .phone a{
 vertical-align:middle;
}
/*主體*/
.content{
 width:1200px;
 background: white;
 margin:0 auto;
 height: 1115px;
}

.title{
 margin-top:20px;
 margin-left:5px;
}

.title span{
 color:rgb(110,110,110);
}

.title span.strong{
 font-size: 20px;
 font-weight: bold;
 color: rgb(80,80,80);
}

#Total {
 box-shadow: 2px 2px 10px 1px rgba(0, 0, 0, 0.2);
 width: 1200px;
 min-height: 800px;
 margin: 30px auto;
 border-radius: 10px;
 overflow: hidden;
 border-left: 0.5px solid rgba(0, 0, 0, 0.32);
 border-right: 0.5px solid rgba(0, 0, 0, 0.32);
 border-bottom: 0.5px solid rgba(0, 0, 0, 0.32); 
}

#Total #Title {
 background: rgb(251,116,3);
 color: white;
 width: 100%;
 height: 50px;
 line-height: 50px;
 font-size: 20px;
 padding-left: 18px;
 margin-bottom: 60px; 
}

#Total .item, #Total .item_ {
 width: 90%;
 margin: 10px auto;
 font-size: 16px;
 font-weight: bold;
 position: relative; 
}

#Total .item.item, #Total .item_.item {
 margin-top: 25px; 
}


#Total .item .important, #Total .item_ .important {
 color: rgb(251,116,3);
 margin-left: 62px; 
}

#Total .item input, #Total .item_ input {
 position: absolute;
 width: 300px;
 height: 30px;
 top: 32%;
 left: 15%;
 margin-top: -20px;
 font-size: 15px;
 outline: none;
 border: 1px solid rgba(0, 0, 0, 0.2);
 transition: box-shadow .5s; 
}

#Total .item input:focus, #Total .item_ input:focus {
 box-shadow: 1px 1px 10px #6385d1, 1px 1px 10px #6385d1; 
}

#Total .item.item_, #Total .item_.item_ {
 height: 30px; 
 font-size: 15px;
 color: rgb(251,116,3);
 font-weight: lighter;
 margin: 0;
 display: inline-block;
 margin-left: 473px;
}

#Total .item_.item_{
 position: relative;
 top: -21px;
}

.item_ a{
 text-decoration: underline;
}

select{
 width: 297px;
 margin-left: 10px;
 height: 34px;
 font-size: 14px;
 color: rgb(110,110,110);
}

#first{
 display: inline-block;
 z-index: 5;
 position: relative;
 width:50px;
 height:10px;
 background-color: red;
 margin-left: 320px;
}

#second{
 display: inline-block;
 z-index: 5;
 position: relative;
 width:50px;
 height:10px;
 background-color: #ccc;
}

#third{
 display: inline-block;
 z-index: 5;
 position: relative;
 width:50px;
 height:10px;
 background-color: #ccc;
}

#Total #end {
 text-align: center;
 height: 160px;
 line-height: 50px;
 border-top: 1px solid rgba(0, 0, 0, 0.8);
 width: 100%;
}

#Total #end #choose {
 margin-right: 6px; 
}

.btn_box{
 margin-top:20px;
}

#Total #end #handup {
 width: 197px;
 height: 30px;
 border: none;
 background: rgb(251,116,3);
 color: white;
 border-radius: 3px;
 margin-left: 10px; 
 cursor: pointer;
}

#Total #end #handup:hover{
 background: rgb(36,135,201);
}

#end a{
 color:rgb(36,135,201);
}
/*隱藏的姓名規(guī)則*/
.hide_div{
 position: absolute;
 width: 531px;
 font-size: 13px;
 left: 558px;
 border: 1px solid rgb(36,135,201);
 padding: 20px;
 line-height: 35px;
 top: 21px;
 color: rgb(110,110,110);
 display: none;
}

#show_div:hover+.hide_div{
 display: block;
}

/*底部*/
footer{
 height: 113px;
 background: #eee;
 text-align: center;
 padding: 40px;
 color: rgb(110,110,110);
 border-top:2px solid rgb(36,135,201);
}

index.js

//獲取元素
var userAccount=document.getElementById('userAccount');
var userPass=document.getElementById('userPass');
var userPass_=document.getElementById('userPass_');
var userName=document.getElementById('userName');
var information=document.getElementById('information');
var email=document.getElementById('email');
var telephone=document.getElementById('telephone');
var handup=document.getElementById('handup');
var first=document.getElementById('first');
var second=document.getElementById('second');
var third=document.getElementById('third');
var choose=document.getElementById('choose');
var items=document.querySelectorAll(".item_");//獲取所有提示元素的下標(biāo)
//當(dāng)鼠標(biāo)離開(kāi)輸入框，產(chǎn)生驗(yàn)證
//格式正確 true
var test1=false;
var test2=false;
var test3=false;
var test4=false;
var test5=false;
var test6=false;
var test7=false;

//驗(yàn)證用戶(hù)名
userAccount.onblur=function(){
 var reg=/^[a-zA-Z]{1}\w{5,29}$/;
 if(this.value==''){
 items[0].innerHTML='用戶(hù)名不能為空';
 items[0].style.color='red';
 test1=false;
 }else{
 if(!reg.exec(userAccount.value)){
 items[0].innerHTML='6-30位字母、數(shù)字或“_”，字母開(kāi)頭';
 items[0].style.color='red';
 test1=false;
 }else{
 items[0].innerHTML='用戶(hù)輸入正確';
 items[0].style.color='green';
 test1=true;
 }
 }
}
//驗(yàn)證密碼
userPass.onblur=function(){
 //默認(rèn)樣式
 first.style.backgroundColor='red';
 second.style.backgroundColor='#ccc';
 third.style.backgroundColor='#ccc';
 //匹配6-20位任意字符
 var reg=/^\S{6,20}$/;
 if(this.value==''){
 items[1].innerHTML='密碼不能為空';
 items[1].style.color='red';
 test2=false;
 }else{
 if(!reg.exec(userPass.value)){//不符合要求
 items[1].innerHTML='請(qǐng)輸入6-20位數(shù)字、字母或符號(hào)';
 items[1].style.color='red';
 test2=false;
 }else{
 items[1].innerHTML='';
 test2=true;
 checkPwd(this.value);
 }
 }
}
//密碼強(qiáng)度弱，只匹配數(shù)字、字母或符號(hào)
var pattern1=/^[0-9]{6,20}$|^[a-zA-Z]{6,20}$|^\W{6,20}$/;
//密碼強(qiáng)度中，兩兩組合
var pattern2=/^[0-9|a-zA-Z]{6,20}$|^[\W|a-zA-Z]{6,20}$|^[\W|0-9]{6,20}$/;
//密碼強(qiáng)度高，數(shù)字、字母或符號(hào)三種組合
var pattern3=/\W[0-9a-zA-Z]*/;
//驗(yàn)證密碼強(qiáng)弱的函數(shù)
function checkPwd(value){
 if(pattern1.test(value)){//密碼強(qiáng)度弱
 first.style.backgroundColor='red';
 second.style.backgroundColor='#ccc';
 third.style.backgroundColor='#ccc';
 }else if(pattern2.test(value)){//密碼強(qiáng)度中
 first.style.backgroundColor='red';
 second.style.backgroundColor='rgb(251,116,3)';
 third.style.backgroundColor='#ccc';
 }else if(pattern3.test(value)){//密碼強(qiáng)度高
 first.style.backgroundColor='red';
 second.style.backgroundColor='rgb(251,116,3)';
 third.style.backgroundColor='green';
 }
}
//再次驗(yàn)證密碼
userPass_.onblur=function(){
 if(this.value==''){
 items[2].innerHTML='密碼不能為空';
 items[2].style.color='red';
 test3=false;
 }else{
 if(this.value!=userPass.value){
 items[2].innerHTML='兩次密碼輸入不一致';
 items[2].style.color='red';
 test3=false;
 }else{
 items[2].innerHTML='兩次輸入一致';
 items[2].style.color='green';
 test3=true;
 }
 }
}
//驗(yàn)證姓名
userName.onblur=function(){
 var reg=/^[\u4e00-\u9fa5|a-zA-Z]{3,30}$/;
 if(this.value==''){
 items[3].innerHTML='姓名不能為空';
 items[3].style.color='red';
 test4=false;
 items[3].id='show_div';
 }else{
 if(reg.exec(userName.value)){
 items[3].innerHTML='姓名輸入正確';
 items[3].style.color='green';
 test4=true;
 items[3].id='';//輸入正確時(shí)不再提示信息
 }else{
 items[3].innerHTML='姓名只能包含中文或者英文，且字符在3-30個(gè)之間！';
 items[3].style.color='red';
 test4=false;
 items[3].id='show_div';
 }
 }
}
//驗(yàn)證身份證號(hào)
information.onblur=function(){
 var reg=/^\d{17}[0-9x]$/i;
 if(this.value==''){
 items[4].innerHTML='證件號(hào)碼不能為空';
 items[4].style.color='red';
 test5=false;
 }else{
 if(!reg.exec(information.value)){
 items[4].innerHTML='請(qǐng)輸入18位身份證號(hào)碼';
 items[4].style.color='red';
 test5=false;
 }else{
 items[4].innerHTML='號(hào)碼輸入正確';
 items[4].style.color='green';
 test5=true;
 }
 }
}
//驗(yàn)證郵箱
email.onblur=function(){
 var reg=/^\w+@\w+.[a-zA-Z_]{2,4}$/;
 if(this.value==''){
 items[5].innerHTML='郵箱不能為空';
 items[5].style.color='red';
 test6=false;
 }else{
 if(!reg.exec(email.value)){
 items[5].innerHTML='請(qǐng)輸入正確的郵箱';
 items[5].style.color='red';
 test6=false;
 }else{
 items[5].innerHTML='郵箱格式正確';
 items[5].style.color='green';
 test6=true;
 }
 }
}
//驗(yàn)證手機(jī)號(hào)
telephone.onblur=function(){
 var reg=/^1(3|4|5|6|7|8|9)\d{9}$/;
 if(this.value==''){
 items[6].innerHTML='手機(jī)號(hào)碼不能為空';
 items[6].style.color='red';
 test7=false;
 }else{
 if(!reg.exec(telephone.value)){
 items[6].innerHTML='您輸入的手機(jī)號(hào)碼不是有效的格式！';
 items[6].style.color='red';
 test7=false;
 }else{
 items[6].innerHTML='手機(jī)格式正確';
 items[6].style.color='green';
 test7=true;
 }
 }
}
//點(diǎn)擊下一步
handup.onclick=function(){
 if(test1&&test2&&test3&&test4&&test5&&test6&&test7&&choose.checked){
 location.; 
 }else{
 alert('填寫(xiě)有誤！');
 }
}

再送一個(gè)簡(jiǎn)易版的

放圖

index.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Index</title>
 <link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="Total">
 <div id="Title">-- 賬戶(hù)信息 --</div>
 <div class="item">
 <span class="important">*</span>
 <label for="userAccount">用戶(hù)名 :</label>
 <input type="text" id="userAccount" placeholder=" 用戶(hù)設(shè)置成功后不可修改">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="userPass">登陸密碼 :</label>
 <input type="password" id="userPass" placeholder=" 6-20位字母,數(shù)字或符號(hào)">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="userPass_">確認(rèn)密碼 :</label>
 <input type="password" id="userPass_">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="userName">姓名 :</label>
 <input type="text" id="userName" placeholder=" 請(qǐng)輸入姓名,中文且最多五位">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="information">身份證號(hào) :</label>
 <input type="text" id="information" placeholder=" 請(qǐng)輸入身份證號(hào)">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="email">郵箱 :</label>
 <input type="email" id="email" placeholder=" 請(qǐng)輸入正確郵箱格式">
 </div>
 <p class="item_"></p>
 <br>
 <!--_____________________________________________________________________________________________-->
 <div class="item">
 <span class="important">*</span>
 <label for="telephone">手機(jī)號(hào)碼 :</label>
 <input type="tel" id="telephone" placeholder=" 請(qǐng)輸入您的手機(jī)號(hào)碼">
 </div>
 <p class="item_"></p>
 <br>
 <!--__________________________________________________________________________________________________-->
 <div id="end">
 <input type="checkbox" id="choose">
 <label for="choose">我已閱讀并同意遵守規(guī)定</label>
 <button id="handup">確認(rèn)提交</button>
 </div>
</div>
</body>
</html>
<script src="js/test.js"></script>

style.css


label {
 cursor: pointer; }

* {
 margin: 0;
 padding: 0;
 list-style: none;
 text-decoration: none;
 box-sizing: border-box; }

a {
 color: inherit; }

body {
 background: rgba(0, 0, 0, 0.1); }

#Total {
 box-shadow: 2px 2px 10px 1px rgba(0, 0, 0, 0.2);
 background: white;
 width: 60%;
 min-height: 800px;
 margin: 50px auto;
 border-radius: 10px;
 overflow: hidden;
 border-left: 0.5px solid rgba(0, 0, 0, 0.32);
 border-right: 0.5px solid rgba(0, 0, 0, 0.32);
 border-bottom: 0.5px solid rgba(0, 0, 0, 0.32); }
 #Total #Title {
 background: #6385d1;
 color: white;
 width: 100%;
 letter-spacing: 5px;
 height: 50px;
 line-height: 50px;
 text-align: center;
 font-size: 20px;
 font-weight: bold; }
 #Total .item, #Total .item_ {
 width: 90%;
 margin: 10px auto;
 height: 25px;
 line-height: 25px;
 font-size: 18px;
 font-weight: bold;
 position: relative; }
 #Total .item.item, #Total .item_.item {
 margin-top: 20px; }
 #Total .item .important, #Total .item_ .important {
 color: #6385d1; }
 #Total .item input, #Total .item_ input {
 position: absolute;
 width: 50%;
 height: 40px;
 top: 50%;
 left: 15%;
 margin-top: -20px;
 font-size: 15px;
 outline: none;
 border: 1px solid rgba(0, 0, 0, 0.2);
 border-radius: 5px;
 transition: box-shadow .5s; }
 #Total .item input:focus, #Total .item_ input:focus {
 box-shadow: 1px 1px 10px #6385d1, 1px 1px 10px #6385d1; }
 #Total .item.item_, #Total .item_.item_ {
 width: 60%;
 height: 30px;
 border-bottom: .5px solid #6385d1;
 border-radius: 2px;
 font-size: 15px;
 color: rgba(0, 0, 0, 0.6);
 letter-spacing: 2px;
 font-weight: lighter;
 padding-left: 10px;
 margin: 0;
 margin-left: 5%; }
 #Total #end {
 text-align: center;
 height: 50px;
 line-height: 50px;
 border-top: 1px solid rgba(0, 0, 0, 0.8);
 width: 100%;
 letter-spacing: 2px; }
 #Total #end #choose {
 margin-right: 20px; }
 #Total #end #handup {
 width: 130px;
 height: 30px;
 border: none;
 background: #6385d1;
 color: white;
 border-radius: 3px;
 margin-left: 10px; }

test.js

var userAccount = document.querySelector("#userAccount"),//獲取用戶(hù)名
 userPass = document.querySelector("#userPass"),//獲取密碼
 userPass_ = document.querySelector("#userPass_"),//獲取確認(rèn)密碼
 userName = document.querySelector("#userName"),//獲取姓名
 information = document.querySelector("#information"),//獲取身份證號(hào)碼
 email = document.querySelector("#email"),//獲取郵箱號(hào)碼
 telephone = document.querySelector("#telephone"),//獲取手機(jī)號(hào)碼
 items = document.querySelectorAll(".item_"),//獲取所有提示文段的下標(biāo)
 aCho = document.querySelector("#choose"), oBtn = document.querySelector("#handup");
var test1 = false, test2 = false, test3 = false, test4 = false, test5 = false, test6 = false, test7 = false
 ;
userAccount.onfocus = function () {
 items[0].innerHTML = "6-30位字母、數(shù)字或'_'";
 items[0].style.color = "green";
};
userAccount.onblur = function () {
 var reg = /^\w{6,30}$/;
 if (this.value == "") {
 items[0].innerHTML = "請(qǐng)您務(wù)必寫(xiě)入用戶(hù)名!";
 items[0].style.color = "red";
 } else {
 if (!reg.exec(userAccount.value)) {
 items[0].innerHTML = "6-30位字母、數(shù)字或'_'";
 items[0].style.color = "red";
 } else {
 items[0].innerHTML = "格式正確";
 items[0].style.color = "green";
 test1 = true;
 }
 }
};
//-------------------------------------------------------------賬號(hào)結(jié)束;
userPass.onfocus = function () {
 items[1].innerHTML = "6-20位字母,數(shù)字或符號(hào)";
 items[1].style.color = "green";
};
userPass.onblur = function () {
 var reg = /^\w{6,20}$/;
 if (this.value == "") {
 items[1].innerHTML = "請(qǐng)您務(wù)必寫(xiě)入密碼!";
 items[1].style.color = "red";
 } else {
 if (!reg.exec(userPass.value)) {
 items[1].innerHTML = "請(qǐng)輸入6-20位字母,數(shù)字或符號(hào)";
 items[1].style.color = "red";
 } else {
 items[1].innerHTML = "格式正確";
 items[1].style.color = "green";
 test2 = true;
 }
 }
};
/*------------------------------------------------------------------密碼結(jié)束*/
userPass_.onfocus = function () {
 items[2].innerHTML = "請(qǐng)確認(rèn)兩次密碼相同";
 items[2].style.color = "green";
};
userPass_.onblur = function () {
 if (this.value == "") {
 items[2].innerHTML = "請(qǐng)務(wù)必再次確認(rèn)密碼";
 items[2].style.color = "red";
 } else {
 if (this.value != userPass.value) {
 items[2].innerHTML = "兩次密碼不相同";
 items[2].style.color = "red";
 } else {
 items[2].innerHTML = "格式正確";
 items[2].style.color = "green";
 test3 = true;
 }
 }
};
/*-----------------------------------------------------------------------確認(rèn)密碼結(jié)束*/
userName.onfocus = function () {
 items[3].innerHTML = "請(qǐng)輸入您的中文名字";
 items[3].style.color = "green";
};
userName.onblur = function () {
 var reg = /^[\u4e00-\u9fa5]{2,5}$/;
 if (this.value == "") {
 items[3].innerHTML = "請(qǐng)務(wù)必寫(xiě)入您的姓名";
 items[3].style.color = "red";
 } else {
 if (!reg.exec(userName.value)) {
 items[3].innerHTML = "請(qǐng)輸入中文名并確認(rèn)是正確格式";
 items[3].style.color = "red";
 } else {
 items[3].innerHTML = "格式正確";
 items[3].style.color = "green";
 test4 = true
 }
 }
};
//---------------------------------------------------------------------------------姓名結(jié)束
information.onfocus = function () {
 items[4].innerHTML = "請(qǐng)輸入您的身份證號(hào)碼";
 items[4].style.color = "green";
};
information.onblur = function () {
 var reg = /^\d{17}[0-9x]$/;
 if (this.value == "") {
 items[4].innerHTML = "請(qǐng)您務(wù)必寫(xiě)入身份證號(hào)碼!";
 items[4].style.color = "red";
 } else {
 if (!reg.exec(information.value)) {
 items[4].innerHTML = "請(qǐng)輸入身份證號(hào)碼正確格式";
 items[4].style.color = "red";
 } else {
 items[4].innerHTML = "格式正確";
 items[4].style.color = "green";
 test5 = true;
 }
 }
};
//------------------------------------------------------------------------身份證號(hào)碼結(jié)束
email.onfocus = function () {
 items[5].innerHTML = "請(qǐng)輸入您郵箱的正確格式";
 items[5].style.color = "green";
};
email.onblur = function () {
 var reg = /^\w+@\w+.[a-zA-Z]{2,3}(.[a-zA-Z]{2,3})?$/;
 if (this.value == "") {
 items[5].innerHTML = "請(qǐng)您務(wù)必寫(xiě)入郵箱!";
 items[5].style.color = "red";
 } else {
 if (!reg.exec(email.value)) {
 items[5].innerHTML = "請(qǐng)輸入郵箱正確格式";
 items[5].style.color = "red";
 } else {
 items[5].innerHTML = "格式正確";
 items[5].style.color = "green";
 test6 = true;
 }
 }
};
//----------------------------------------------------------------------郵箱結(jié)束
telephone.onfocus = function () {
 items[6].innerHTML = "請(qǐng)輸入您的手機(jī)號(hào)碼";
 items[6].style.color = "green";
};
telephone.onblur = function () {
 var reg = /^\d{11}$/;
 if (this.value == "") {
 items[6].innerHTML = "請(qǐng)輸入11位手機(jī)號(hào)碼!";
 items[6].style.color = "red";
 } else {
 if (!reg.exec(telephone.value)) {
 items[6].innerHTML = "請(qǐng)輸入11位手機(jī)號(hào)碼";
 items[6].style.color = "red";
 } else {
 items[6].innerHTML = "格式正確";
 items[6].style.color = "green";
 test7 = true;
 }
 }
};
oBtn.onclick = function () {
 if (aCho.checked == false || test1 == false || test2 == false || test3 == false || test4 == false || test5 == false
 || test6 == false || test7 == false) {
 alert(" 您 的 信 息 有 誤 ")
 } else {
 alert(" 登 記 成 功 ! ")
 }
};

總結(jié)

以上是小編給大家分享JS表單驗(yàn)證源碼（帶錯(cuò)誤提示及密碼等級(jí)），希望對(duì)大家有所幫助！

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