js设置随机切换背景图片的简单实例
网络 2017-11-15 2844
实例如下：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | <script> var imgs =["http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_2.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_default.png", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_3.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_1.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_4.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_5.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_6.jpg", "http://images.cnblogs.com/cnblogs_com/xiaobo-Linux/1112236/o_default-2.jpg", ]; var index=Math.floor(Math.random()*8); var img = imgs[index]; function time(){ document.body.style.backgroundImage="url("+img+")"; } document.body.onload = function(){ time(); } </script> |
