改变颜色大小

作者: super_zby | 来源:发表于2016-05-31 18:21 被阅读0次

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<style>
*{margin:0;padding:0;}

box{height:100px;width:100px;background:skyblue;}

big_box{height:100%;width:100%;background:rgba(0,0,0,0.1);position:fixed;top:0;left:0;display:none;}

small_box{position:absolute;height:150px;width:280px;top:50%;left:50%;margin-left:-140px;margin-top:-75px;background:white;cursor:pointer}

p1 span{height:20px;width:30px;display:inline-block}

small_box p{height:40px;line-height:40px;}

small_box p font{margin-left:25px;}

small_box p span{margin-left:15px;}

small_box{padding:15px;border:1px solid red}

wan{margin-left:45%;margin-top:15px;}

</style>
<script type="text/javascript">
window.onload=function()
{

     var oBtn = document.getElementById('btn')
     var oBig = document.getElementById('big_box')
     var oWan = document.getElementById('wan')
     var oSpan = document.getElementsByTagName('span')
     var oBox = document.getElementById('box')
     oBtn.onclick = function(){oBig.style.display = "block"}
     oWan.onclick = function(){oBig.style.display = "none"}
    oSpan[0].onclick = function(){oBox.style.background= this.style.background;}
    oSpan[1].onclick = function(){oBox.style.background= this.style.background;}
    oSpan[2].onclick = function(){oBox.style.background= this.style.background;}
 
    oSpan[3].onclick = function(){oBox.style.width = this.innerHTML}
    oSpan[4].onclick = function(){oBox.style.width = this.innerHTML}
    oSpan[5].onclick = function(){oBox.style.width = this.innerHTML}

    oSpan[6].onclick = function(){oBox.style.height = this.innerHTML}
    oSpan[7].onclick = function(){oBox.style.height = this.innerHTML}
    oSpan[8].onclick = function(){oBox.style.height = this.innerHTML}
 }

</script>

</head>
<body>
<div id="box"></div>
<button id="btn">click</button>

 <p id="p2">
      <font>宽度:</font>
      <span>250px</span>
      <span>500px</span>
      <span>750px</span>
 </p>

 <p id="p3">
      <font>高度:</font>
      <span>250px</span>
      <span>500px</span>
      <span>750px</span>
 </p>
 <button id="wan">完成</button>

</div>
</div>

</body>
</html>

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本文标题：改变颜色大小

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