<div class="main-out">
<p class="identifying-title">输入企业提供的验证码，即可完成签到</p>
<!--黑色横线框-->
<div class="pass-box">
<div class="pass-line">
<div class="line-box"><span class="line line-one"></span></div>
<div class="line-box"><span class="line line-two"></span></div>
<div class="line-box"><span class="line line-three"></span></div>
<div class="line-box"><span class="line line-four"></span></div>
<div class="line-box"><span class="line line-five"></span></div>
<div class="line-box"><span class="line line-six"></span></div>
</div>
<!--输入验证码框给一个绝对定位-->
<div class="passInput" id="on">
<input type="text" class="inputCont inputCont-one" maxlength="1" />
<input type="text" class="inputCont inputCont-two" maxlength="1"/>
<input type="text" class="inputCont inputCont-three" maxlength="1"/>
<input type="text" class="inputCont inputCont-four" maxlength="1"/>
<input type="text" class="inputCont inputCont-five" maxlength="1"/>
<input type="text" class="inputCont inputCont-six" maxlength="1"/>
</div>
</div>
</div>

.identifying-title{
width: 100%;
margin-top: 100px;
font-size: 14px;
color:#333;
text-align: center;
}
.pass-box{
position: relative;
width: 240px;
height: 40px;
margin: 50px auto 0;
}
.pass-line{
margin:0 auto;
width:100%;
height:100%;
}
.line-box{
float: left;
width: 40px;
height: 40px;
}
.line{
display: block;
width: 25px;
height:3px;
margin:18px auto 0;
background: #000;
}
.passInput{
position: absolute;
width:240px;
height:40px;
left: 0;
top: 0;
}
.inputCont{
float: left;
width: 25px;
height:40px;
margin:0 7.5px;
z-index: 2;
font-size:30px;
color:#333;
line-height: 40px;
text-align: center;
background: none;
}

<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-2.1.4.min.js">

以上所述是小编给大家介绍的JavaScript实现横线提示输入验证码随输入验证码输入消失的方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！