图片加载进度实时显示

【转自】http://www.jscode.cn/JsHtml/Js710.htm

 

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效代码|JsCode.CN|---图片加载进度实时显示</title>
<script>
var l=0;
var imgs;
var sum=0;
var imgs=new Array();
function chk(){
  l--;
  document.getElementById("aa").innerText=""+((sum-l)*100/sum)+"%"
  if (l==0){
     for (var i=0;i<sum;i++)
       document.body.innerHTML+="<img src='"+imgs[i].src+"'>"
  }
}
if (document.images){
imgs[0]=new Image()
imgs[1]=new Image()
imgs[2]=new Image()
imgs[3]=new Image()
imgs[4]=new Image()
imgs[5]=new Image()
imgs[0].src="images/royale.jpg";
imgs[1].src="images/c0407.jpg";
imgs[2].src="images/royale.jpg";
imgs[3].src="images/c0407.jpg";
imgs[4].src="images/royale.jpg";
imgs[5].src="images/c0407.jpg";
}

</script>
</head>

<body>
<div id="aa">0%</div>
<script>
sum=l=imgs.length;
for (var i=0;i<l;i++){
  imgs[i].onload=chk;
  imgs[i].onerror=chk;//无论图片是否加载成功,都执行指定方法
}
</script>
</body>

</html>

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