JS DOM管理后台左侧菜单示例
作者:
奔跑的老少年 | 来源:发表于
2018-08-23 17:27 被阅读0次<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.header{
height: 30px;
background-color: blue;
color: white;
line-height: 30px;
}
.hide{
display: none;
}
</style>
</head>
<body>
<div style="height: 48px"></div>
<div style="width: 300px">
<div class="item">
<div id="i1" class="header" onclick="changeMenu('i1');">菜单一</div>
<div class="content">
<div>内容一</div>
<div>内容一</div>
<div>内容一</div>
</div>
</div>
<div class="item">
<div id="i2" class="header" onclick="changeMenu('i2');">菜单二</div>
<div class="content hide">
<div>内容二</div>
<div>内容二</div>
<div>内容二</div>
</div>
</div>
<div class="item">
<div id="i3" class="header" onclick="changeMenu('i3');">菜单三</div>
<div class="content hide">
<div>内容三</div>
<div>内容三</div>
<div>内容三</div>
</div>
</div>
<div class="item">
<div id="i4" class="header" onclick="changeMenu('i4');">菜单四</div>
<div class="content hide">
<div>内容四</div>
<div>内容四</div>
<div>内容四</div>
</div>
</div>
</div>
<script>
function changeMenu(nid) {
var current_header = document.getElementById(nid);
var item_list = current_header.parentElement.parentElement.children;
for(var i=0;i<item_list.length;i++){
var current_item = item_list[i];
current_item.children[1].classList.add('hide')
}
current_header.nextElementSibling.classList.remove('hide')
}
</script>
</body>
</html>
本文标题：JS DOM管理后台左侧菜单示例
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