CSS
.ele{
height: 20px;
}
ul{
list-style: none;
}
ul li {
padding-right: 30px;
float: left;
}
a {
text-decoration: none;
color: black;
}
.active a {
border-bottom: 2px solid #F40;
}
a:hover{
color: #f40;
}
.elec {
width: 220px;
margin-top: 5px;
margin-left: 40px;overflow-x: auto;
}
.elec p {
padding-left: 2px;
border-left: 1px solid #f40;
font-size: 14px;
overflow: hidden;/*溢出隐藏*/
text-overflow:ellipsis;/*隐藏部分显示省略号*/
white-space: nowrap;/*文本一行显示*/
}HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>tab选项卡代码</title>
<style type="text/css">
.title {
width: 500px;
height: 50px;
color: black;
border: 1px solid gray;
margin: 0;
display: flex;
}
.title span {
width: 80px;
height: 50px;
line-height: 50px;
text-align: center;
float: left;
font-family: "微软雅黑";
font-size: 24px;
flex: 1;
border-right: 1px solid black;
}
.title span:nth-child(3){
border-right: none;
}
.tab {
color: red;
background-color: #999;
cursor: pointer;
}
#tab>div {
width: 500px;
height: 200px;
border: 1px solid gray;
display: none;
text-align: center;
line-height: 200px;
font-family: "微软雅黑";
font-size: 24px;
}
#tab .content {
display: block;
}
</style>
</head>
<body>
<div id="tab">
<h2 class="title">
<span class="tab" onmouseover="changeTab(this)">选项一</span>
<span onmouseover="changeTab(this)">选项二</span>
<span onmouseover="changeTab(this)">选项三</span>
</h2>
<div class="content" style="background: greenyellow;">内容一</div>
<div style="background: cyan;">内容二</div>
<div style="background: goldenrod;">内容三</div>
</div>
</body>
</html>JS
<script type="text/javascript">
// 获取所有的span标签组
var tabs = document.getElementById("tab").getElementsByTagName("span");
// 获取所有的div标签组
var cts = document.getElementById("tab").getElementsByTagName("div");
function changeTab(current) {
for(i = 0; i < tabs.length; i++) {
if(tabs[i] == current) {
tabs[i].className = "tab";
cts[i].className = "content";
} else {
tabs[i].className = "";
cts[i].className = "";
}
}
}
</script>
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