dqwh1202 2016-06-15 07:54
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如何使用javascript找到特定的类?

Hii all I am creating a accordion with use of pure javascript. Initailly I have shown content of only first section. Then by using javascript I am showing content on clicking sections.This works well but when I click on section1 it does not hide because active class is still there. Please help. Any help is apprecated

<!DOCTYPE html>
<html>
<head>
<style>
.main {
    background-color: #eee;
    width:350px;
    color: #444;   
    padding: 18px;  
    border: none;
    text-align: left;
    font-size: 15px;

}

.main.active,.main:hover {
    background-color: #ddd;
}

div.panel {
    padding: 0 18px;
   background-color: white;
   display:none;
   width:350px;


}
.active{
    display: block !important;

}

div.panel.show {
    display: block;
}
div.panel.hide {
    display: none;
}
</style>
</head>
<body>
<div class="main">Section 1</div>
<div class="panel active">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>
<div class="main">Section 2</div>
<div class="panel">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>

<div class="main">Section 3</div>
<div class="panel">
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
</div>

<script>
var acc = document.getElementsByClassName("main");
var i;
for (i = 0; i < acc.length; i++) {
    acc[i].onclick = function(){    
      this.nextElementSibling.classList.toggle("show");     
  }
}
</script>

</body>
</html>
  • 写回答

4条回答 默认 最新

  • dpg76975 2016-06-15 08:03
    关注

    why don't you just give your first panel class show instead of active? active class seems redundant in your code.

    code for the first panel:

    <div class="panel show">
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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