這段代碼是鼠標(biāo)放在模塊上透明度會改變，鼠標(biāo)移除透明度會變回默認(rèn)值，但是我怎么調(diào)透明度都不變，求高手指點(diǎn)……<!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=utf-8" /><title>無標(biāo)題文檔</title><style>*{margin:0;padding:0;}ul,li{list-style: none; }ul li{ width:200px; height:200px; background:#666; margin: 10px; float: left; opacity: 0.3; }</style><script type="text/javascript"> window.onload=function(){ var oLi=document.getElementsByTagName('li'); for (var i = 0;i<oLi.length;i++){ oLi[i].alpha=30; oLi[i].timer=null; oLi[i].onmouseover=function(){ startMove(this,100); } oLi[i].onmouseout=function(){ startMove(this,30); } } } //var alpha=30; //var timer=null; function startMove(obj,iwidth){ clearInterval(obj.timer); //var oLi=document.getElementsByTagName('li'); obj.timer=setInterval(function(){ var speed=0; if (iwidth>obj.alpha) { speed=10; }else{ speed=-10; }; if (obj.alpha==iwidth) { clearInterval(obj.timer); }else{ obj.alpha=obj.alpha+speed+"px"; obj.style.opacity=obj.alpha/100; } },30)}</script></head><body><ul> <li></li> <li></li> <li></li> <li></li></ul></body></html>
javascript動畫-實(shí)在是不知道哪里錯了
一顆獼猴桃
2016-06-07 16:25:12
