随机生成 字体大小--转

    原文: http://www.cnblogs.com/fsy0718/archive/2013/04/24/3041437.html

<script type="text/javascript">
        
        //页面加载
        $(function () {

            $('div a').each(function () {
                $(this).css('fontSize', (getFontSize = function () {
                    fontsize = Math.round(Math.random() * 30) / 10
                    if (fontsize < 1) {
                        return getFontSize()
                    }
                    return fontsize
                })() + 'em')
            })

        });
    </script>