原生tab选项卡
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
span {
display: inline-block;
width: 100px;
height: 30px;
background-color: #ccc;
text-align: center;
line-height: 30px;
cursor: pointer;
}
.active {
background: red;
color: white;
}
div div {
width: 350px;
height: 200px;
border: 1px solid #ccc;
font-size: 40px;
line-height: 200px;
text-align: center;
display: none;
}
div div.show {
display: block;
}
</style>
<script>
var box = null;
var span = null;
var div = null;
window.onload = function () {
box = document.getElementById("box");
var aaa =new Tab('box').init()
};
function Tab(id) {
this.box= document.getElementById(id);
this.span = box.getElementsByTagName('span');
this.div = box.getElementsByTagName('div');
}
Tab.prototype.init = function () {
var _this = this;
for (var i = 0; i < this.span.length; i++) {
this.span[i].index = i;
this.span[i].onclick = function () {
_this.change(this);
};
}
};
Tab.prototype.change = function (obj) {
for (var i = 0; i < this.span.length; i++) {
this.span[i].className = "";
this.div[i].className = "";
}
obj.className = "";
this.div[obj.index].className = "show";
this.span[obj.index].className ='active'
};
</script>
</head>
<body>
<div id="box">
<span class="active">html</span>
<span>css</span>
<span>js</span>
<div class="show">html</div>
<div>css</div>
<div>js</div>
</div>
</body>
</html>
加班万岁!
