1.动画
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title></title> <style> .box { width:200px; height:200px; background:red; position:absolute; top:0; left:0; -webkit-transition:2s all ease; } .box:hover { background:blue; } </style> <script> window.onload = function () { var oDiv = document.getElementById("box"); setTimeout(function () { oDiv.style.left = "500px"; oDiv.style.top = "300px"; oDiv.style.background = "blue"; }, 2000); } </script> </head> <body> <div class="box" id="box"></div> </body> </html>