JavaScript實現的隨機色標簽云
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<head>
<meta charset="utf-8">
<title>無標題文檔</title>
<style type="text/css">
*{
margin:0; padding:0}
a{
text-decoration:none}
wrap{
width:400px; margin:auto}
</style>
</head>
<body>
<div id="wrap">
<a href="#">web標準學習</a>
<a href="#">css</a>
<a href="#">javascript</a>
<a href="#">html5</a>
<a href="#">canvas</a>
<a href="#">video</a>
<a href="#">audio</a>
<a href="#">jQuery</a>
<a href="#">jQuerymobile</a>
<a href="#">flash</a>
<a href="#">firefox</a>
<a href="#">chrome</a>
<a href="#">opera</a>
<a href="#">IE9</a>
<a href="#">css3.0</a>
<a href="#">andriod</a>
<a href="#">apple</a>
<a href="#">google</a>
<a href="#">jobs</a>
</div>
<script type="text/javascript">
//隨機方法
function rand(num)
{
return parseInt(Math.random()*num+1);
}
//隨機顏色值
function randomColor()
{
var str = Math.ceil((Math.random()*16777215)).toString(16); //把數字轉換成16進制
if(str.length < 6)
{
str = "0" + str;
}
return str;
}
//標簽實現
var aList = document.getElementById("wrap").getElementsByTagName("a");
var i = 0;
var len = aList.length;
for(i;i<len;i++)
{
aList[i].className = "color"+rand(5); //生成隨機類名
aList[i].style.fontSize = rand(12)+12+"px"; //隨機字號
aList[i].style.color = "#"+randomColor();
aList[i].onmouseover = function()
{
this.style.background = "#"+randomColor();
}
aList[i].onmouseout = function()
{
this.style.background = "";
}
}
</script>
</body>
</html></pre>