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Implementing infinite tree menu based on jquery_jquery

WBOYOriginal: 2016-05-16 15:08:331030browse

The example in this article shares with you the infinite tree menu effect based on jquery, which has certain reference value. The specific content is as follows

Rendering:

Implementation code:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无限级树形菜单</title>
</head>
<script src="jquery.min.js"></script>
<style>
ul.a{width:100%;cursor:pointer;padding:0 0px;color:white;}
ul.a li{list-style-type:none;cursor:pointer;background:#fff;padding:5px 10px;color:black;width:90%;display:none}
.treelist{width:222px;}
ul.a div{height:34px;width:100%;background:url(jia.jpg) no-repeat;padding-left:27px;padding-top:6px;color:#333333;font-weight:bold;font-size:15px}
.shows{display:block}
</style>
<body>
 
<div class="treelist">
<ul class="a">
<div>ccccc</div>
  <li>xxxx</li>
  <li>
    <ul class="a">
    <div>ccccc</div>
      <li>xxxx</li>
      <li>xxxx</li>
      <li>
        <ul class="a">
        <div>ccccc</div>
          <li>
            <ul class="a">
              <div>ccccc</div>
              <li>xxxx</li>
              <li>xxxx</li>
              <li>xxxx</li>
              <li>xxxx</li>
            </ul>
          </li>
          <li>xxxx</li>
          <li>xxxx</li>
          <li>xxxx</li>
        </ul>
      </li>
      <li>xxxx</li>
    </ul>
  </li>
  <li>xxxx</li>
  <li>xxxx</li>
</ul>
 
<ul class="a">
<div>ccccc</div>
  <li>xxxx</li>
  <li>xxxx</li>
  <li>xxxx</li>
  <li>xxxx</li>
</ul>
 
<ul class="a">
<div>ccccc</div>
  <li>xxxx</li>
  <li>xxxx</li>
  <li>xxxx</li>
  <li>xxxx</li>
</ul>
</div>
 
 
 
<script>
/*
$(".a div").each(function(i){
  var w=$(this).parents("li").width();
  $(this).css("width",w-100+"px");
})
*/
 
$(".a").click(function(){
  $(this).find("li").click(function(event){
    return false
  })
   
  if($(this).hasClass("shows")){
    $(this).removeClass("shows");
    $(this).find("li").find("ul").removeClass("shows");
    $(this).find("li").hide();
    $(this).find("div").css("background","url(jia.jpg) no-repeat");
     
     
  }else{
    $(this).addClass("shows");
    $(this).find("li").show();
    $(this).find("li").find("ul").find("li").hide();
    $(this).show();
    $(this).find("div").eq(0).css("background","url(jian.jpg) no-repeat"); 
  }
   
})
</script>
</body>
</html>

I hope this article will be helpful to everyone learning JavaScript programming.

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