首頁 > 開發者 > JavaScript
用到了透明度 做的時候發現 透明度的調節 需要指定寬高，要不然透明度的數值就無效了。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>無標題文檔</title><script language="javascript">window.onload = function(){var k = document.getElementById("k");k.onmouseover = function(){clearInterval(this.goObj);this.style.opacity=1;this.style.filter="alpha(opacity=100)";};k.onmouseout = function(){this.style.opacity=1;this.style.filter="alpha(opacity=100)";this.iOpacity = 1;goMove(this);};};function goMove(obj){obj.goObj = setInterval(function(){obj.iOpacity -= 0.01;obj.style.opacity=obj.iOpacity;obj.style.filter="alpha(opacity="+obj.iOpacity*100+")";if(obj.iOpacity < 0){clearInterval(obj.goObj);}},10);}</script></head><body><div id="k" style="background-color:#333333; height:300px; width:700px;"></div></body></html>
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
