js中滚动进度条的制作_Javascript教程(2)_H5之家 - 中国HTML5教程资源分享第一站

第三种方式，面向对象：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>

<body>
<div id="ggg"></div>
<div id="allBox" style=" width:500px; margin-top:5px; height:20px; border:#CDCDCD 1px solid;display:inline;overflow:hidden; float:left; position:relative; text-align:center">
<div style="height:16px; background-color:#e0f3fa; border:#ff6600 1px solid; position:absolute; top:1px; left:1px;z-index:1; width:400px"></div>
<strong style=" text-align:center;width:500px; POSITION: absolute; left:0; top:0;Z-INDEX: 2;">你的经验是1000，下级是2000</strong>
</div>
<div id="Div1" style=" width:200px; margin-top:5px; height:20px; border:#CDCDCD 1px solid;display:inline;overflow:hidden; float:left; position:relative; text-align:center">
<div style="height:16px; background-color:#e0f3fa; border:#ff6600 1px solid; position:absolute; top:1px; left:1px;z-index:1; width:100px"></div>
<strong style=" text-align:center;width:200px; POSITION: absolute; left:0; top:0;Z-INDEX: 2;">你的经验是1000，下级是2000</strong>
</div>
<script type="text/javascript">
//进度条的封装类
function loadingScroll(boxDiv,Speed){
    this.boxId=boxDiv;//外层的id
    this.scrollSpeed=Speed;//速度
}

loadingScroll.prototype.doScroll = function() {
    var scrollWi = 0;//执行时的宽度
    var HimalayaN=document.getElementById(this.boxId).getElementsByTagName("div")[0] ;
    var HimalayaW=document.getElementById(this.boxId);
    var pointW=(HimalayaN.scrollWidth/HimalayaW.scrollWidth)*100;//原始的宽度比例
    var doScr=window.setInterval(function() {
        scrollWi += 1;
        if (scrollWi >= pointW) {
            window.clearInterval(doScr);
        } else {
            HimalayaN.style.width = scrollWi + "%";
        }
    }, this.scrollSpeed);
}
var ddddd = new loadingScroll("allBox", 10);
var aaaaa = new loadingScroll("Div1", 10);
ddddd.doScroll();
aaaaa.doScroll();
</script>

</body>
</html>