[原创] JavaScript实现简单的颜色类标签云

效果预览：

源码分享：

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        #box{
             300px;
            border: 1px solid #d5d5d5;
            padding: 10px;
            margin: 100px auto;
            overflow: hidden;
        }
        #box a{
            display: block;
            float: left;
            height: 30px;
            line-height: 30px;
            padding: 0 10px;
            color: #fff;
            background: #000;
            margin: 0 10px 10px 0;
            text-decoration: none;
            -webkit-border-radius: 4px;
            -moz-border-radius: 4px;
            border-radius: 4px;
            font-family: "Microsoft YaHei";
        }
    </style>
</head>
<body>
<div id="box">
    <a href="#">Java</a>
    <a href="#">Css</a>
    <a href="#">HTML</a>
    <a href="#">JavaScript</a>
    <a href="#">前端优化</a>
    <a href="#">前端开发</a>
    <a href="#">Java</a>
    <a href="#">Css</a>
    <a href="#">HTML</a>
    <a href="#">JavaScript</a>
    <a href="#">前端优化</a>
    <a href="#">前端开发</a>
    <a href="#">Java</a>
    <a href="#">Css</a>
    <a href="#">HTML</a>
    <a href="#">JavaScript</a>
    <a href="#">前端优化</a>
    <a href="#">前端开发</a>
</div>
<script>
    window.onload = function () {
        //获取节点
        var oBox = document.getElementById('box');
        var aList = oBox.getElementsByTagName('a');
        for(var i=0;i<aList.length;i++)
        {
            //设置背景颜色
            aList[i].style.background = randColor();
        };
        console.log(randColor());
    };

    //随机色方法
    function randColor()
    {
        var colors = Math.floor(Math.random() * (255 * 255 * 255));
        colors = colors.toString(16);
        if( colors.length < 6 )
        {
            colors = '0'+colors;
        }
        return '#'+colors;
    };
</script>
</body>
</html>

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