面向对象---选项卡

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>oop</title>
</head>
<style type="text/css">
.current {background-color: red; }
.dv { background-color: green; width: 200px; height: 200px; color: #fff;}
</style>
<body>
<div id="a">
    <span myhref="http://www.unitever.com">111</span>
    <span myhref="http://www.baidu.com">222</span>
    <span myhref="http://www.sina.com">333</span>
    <a href="#">更多>></a>
    <div  class="dv" style="display: none; ">111</div>
    <div  class="dv"  style="display: none; ">222</div>
    <div  class="dv"  style="display: none; ">333</div>
</div>
<div id="b">
    <span myhref="http://www.google.com">333</span>
    <span myhref="http://www.sohu.com">444</span>
    <span  myhref="http://www.taobao.com">555</span>
    <a href="#">更多>></a>
    <div  class="dv" style="display: none; ">dv333333</div>
    <div  class="dv"  style="display: none; ">dv4444444</div>
    <div  class="dv"  style="display: none; ">dv5555555555</div>
</div>

</body>
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var Aa2=aDiv.getElementsByTagName("a")[0];
new tabChange({showIndex:2,TabBtn:cBtn,TabDiv:cDiv,moreLink:Aa2})


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new tabChange({showIndex:1,TabBtn:Abtn,TabDiv:Adiv,moreLink:Aa})
</script>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>oop</title>
</head>
<style type="text/css">
.current { background-color: red; }
.dv { background-color: green; width: 200px; height: 200px; color: #fff;}
</style>
<body>
<div id="a">
    <span class="sp2" >111</span>
    <span class="sp2">222</span>
    <span class="sp2">333</span>
    <div  class="dv" style="display: none; ">111</div>
    <div  class="dv"  style="display: none; ">222</div>
    <div  class="dv"  style="display: none; ">333</div>
</div>
<div id="b">
    <span class="sp2" >333</span>
    <span class="sp2">444</span>
    <span class="sp2">555</span>
    <div  class="dv" style="display: none; ">dv333333</div>
    <div  class="dv"  style="display: none; ">dv4444444</div>
    <div  class="dv"  style="display: none; ">dv5555555555</div>
</div>
</body>
</html>
<script type="text/javascript">
function tabChange(options){
    this.options=options;
    this.fnclick();
}
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}

var bDiv=document.getElementById("b")
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var Adiv=bDiv.getElementsByTagName("div");
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var aDiv=document.getElementById("a")
var aBtn=aDiv.getElementsByTagName("span");
var aDiv=aDiv.getElementsByTagName("div");
new tabChange({showIndex:2,TabBtn:aBtn,TabDiv:aDiv})

</script>

这两种方式哪种更好一些啊，不知道啊，我个人觉得第一种应该好一些，不需要循环就可以搞定，应该比循环来的快，效率要高一些

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原文地址：https://www.cnblogs.com/busicu/p/4209927.html