<!DOCTYPE html><html><head>??? <meta charset="UTF-8">??? <title>實踐題 - 選項卡</title>??? <style type="text/css">? div{??????????? width:200px;?????????? height:200px;???????????background:red;??????? }?????? ?????? ??? </style>??? <script type="text/javascript">??? window.onload=function(){??startMove();?}???? ?function startMove(){??setInterval(function(){???var oDiv=document.getElementById("div1");???oDiv.style.width=oDiv.offsetWidth-1+'px'??},30)?}?? ??? ??? ??? </script>?</head><body><div id="div1"></div>?</body></html>?
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慕先生0450854
2016-07-02 20:44:56