类似文件夹分页显示（练习）

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
body{margin: 0;padding: 0;}
div{
width: 500px;height: 300px;background: pink;position: relative;
}
button{
padding: 10px 20px;background: lime;margin: 0 10px 0 20px;
}
span{
width: 440px;height: 240px;background: purple;display: inline-block;position:absolute;top: 40px;left: 20px;
}
</style>
</head>
<body>
<div>
<button>张国荣</button>
<button>谭咏麟</button>
<button>张学友</button>
<button>李克勤</button>
<div id="show"></div>
<span style="display:none">风继续吹,<br>倩女幽魂,<br>沉默是金</span>
<span style="display:none">讲不出再见,<br>水中花,<br>再见亦是泪</span>
<span style="display:none">忘情冷雨夜,<br>情已逝,<br>爱的比你深</span>
<span style="display:none">红日,<br>月半小夜曲,<br>旧欢如梦</span>
</div>
<script>
var cot=document.getElementsByTagName("span");
var btn=document.getElementsByTagName("button");
var show=document.getElementById("show");
for(var i=0;i<btn.length;i++){
btn[i].index=i;
btn[i].onclick=function(){
show.innerHTML="";
show.innerHTML=cot[this.index].innerHTML;
}
}
</script>
</body>
</html>

posted @ 2017-04-19 23:31  非凡。  阅读(322)  评论(0)    收藏  举报