跳转到页面特定部分时如何隐藏锚图标

Question

我有箭头向下点击跳转到特定的部分页面，点击滚动功能是有效的，但我需要当点击图标，然后跳到一个特定的箭头向下图标将隐藏。

​

.scroll-regform, .mobile {
    display: block!important;
}
.scroll-regform {
    position: fixed;
    right: 44%;
    top: 200px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    z-index: 3;
    line-height: 30px;
    text-align: center;
    color: #fff;
    font-size: 28px;

}

 <a href="#scroll-regform" href="#" class="scroll-regform"><i class="fa fa-angle-down animated-menu bounce" aria-hidden="true" alt="download" class="pt-8"></i></a>
 
 <div class="col-md-7" id="scroll-regform">
 <p>content</p>
 </div>

​

Answer 1

​

$( ".scroll-regform" ).click(function() {
  $(this).addClass('hideIcon')
});

.scroll-regform, .mobile {
    display: block!important;
}
.scroll-regform {
    right: 44%;
    top: 200px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    z-index: 3;
    line-height: 30px;
    text-align: center;
    font-size: 28px;

}
.scroll-regform.hideIcon{
  display: none !important;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<a href="#scroll-regform" href="#" class="scroll-regform"><i class="fa fa-angle-down animated-menu bounce" aria-hidden="true" alt="download" class="pt-8">ICON</i></a>
 
 <div class="col-md-7" id="scroll-regform">
 <p>content</p>
 </div>

​