js点击显示隐藏内容

<style>

.see_more .more_btn{
color: rgb(124, 181, 236);
padding: 10px 0;

    background: #ddd;

}

.more_btn span{
width: 20px;
height: 20px;
display: inline-block;

}

.more_btn{
display: block;

    margin: 0 auto;

    text-align: center;

}

.more_btn .show{
background: url(../images/arrow1.png) no-repeat;
background-size: cover;
vertical-align: middle;

}

.more_btn .hide{
background: url(../images/arrow2.png) no-repeat;
background-size: cover;
vertical-align: middle;

}

.see_more .more_list{
padding-bottom: 30px;

}

.see_more .more_list dl{
display: flex;
border-bottom:1px solid #ddd;
padding: 10px 0;

}

.see_more .more_list dl dd{
flex:1;
text-align: center;

}

</style>

//html

<div class="see_more">
<p class="more_btn">查看更多<span class="show"></span></p>
<div class="more_list" style="display:none">
<dl>
<dd>用户名</dd>
<dd>投资金额（元）</dd>
<dd>占比</dd>
</dl>
<dl>
<dd><span>01</span>uier</dd>
<dd>89342584</dd>
<dd>1.10%</dd>
</dl>
<dl>
<dd><span>02</span>uier</dd>
<dd>89342584</dd>
<dd>1.10%</dd>
</dl>
<dl>
<dd><span>03</span>uier</dd>
<dd>89342584</dd>
<dd>1.10%</dd>
</dl>
<dl>
<dd><span>04</span>uier</dd>
<dd>89342584</dd>
<dd>1.10%</dd>
</dl>
<dl>
<dd><span>05</span>uier</dd>
<dd>89342584</dd>
<dd>1.10%</dd>
</dl>
</div>
</div>

// 查看更多 显示隐藏

function Show_Hidden(obj){
var imgBtn=document.querySelector(".more_btn span"); //图片
if(obj.style.display=="block"){

  obj.style.display='none';

  imgBtn.className = "show";
}else{
 obj.style.display='block';
 imgBtn.className = "hide";
}
}
window.onload=function(){
var more_btn=document.querySelector(".more_btn"); //按钮
var imgBtn=document.querySelector(".more_btn .show"); //图片改变
var more_list=document.querySelector(".see_more .more_list"); //显示的内容
more_btn.onclick=function(){
Show_Hidden(more_list);
  return false;
}
}