HUH函数
自动移动，目前css3是有这样的效果的，叫做css3动画给你一个示例你要注意的一点是目前这个只能支持最低为IE10及以上版本才能够运行的哦Chrome 和 Safari 需要前缀 -webkit-。<!DOCTYPE html><html><head><style> div{width:100px;height:100px;background:red;position:relative;animation:myfirst 5s;-moz-animation:myfirst 5s; /* Firefox */-webkit-animation:myfirst 5s; /* Safari and Chrome */-o-animation:myfirst 5s; /* Opera */} @keyframes myfirst{0% {background:red; left:0px; top:0px;}25% {background:yellow; left:200px; top:0px;}50% {background:blue; left:200px; top:200px;}75% {background:green; left:0px; top:200px;}100% {background:red; left:0px; top:0px;}} @-moz-keyframes myfirst /* Firefox */{0% {background:red; left:0px; top:0px;}25% {background:yellow; left:200px; top:0px;}50% {background:blue; left:200px; top:200px;}75% {background:green; left:0px; top:200px;}100% {background:red; left:0px; top:0px;}} @-webkit-keyframes myfirst /* Safari and Chrome */{0% {background:red; left:0px; top:0px;}25% {background:yellow; left:200px; top:0px;}50% {background:blue; left:200px; top:200px;}75% {background:green; left:0px; top:200px;}100% {background:red; left:0px; top:0px;}} @-o-keyframes myfirst /* Opera */{0% {background:red; left:0px; top:0px;}25% {background:yellow; left:200px; top:0px;}50% {background:blue; left:200px; top:200px;}75% {background:green; left:0px; top:200px;}100% {background:red; left:0px; top:0px;}}</style></head><body> <p><b>注释：</b>本例在 Internet Explorer 中无效。</p> <div></div> </body></html>