第一种方式，函数式：
<!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>无标题文档</title>
</head>
<body>
<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 id="sonbox" 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>
<script language="javascript">
var numberwidth=0;
var allWidth=document.getElementById("allBox").scrollWidth;
var loadWidth=document.getElementById("sonbox").scrollWidth;
var doScroll=window.setInterval((function(){
numberwidth+=1;
if(numberwidth>=((loadWidth/allWidth)*100)){
window.clearInterval(doScroll);
}else{
document.getElementById("sonbox").style.width=numberwidth+"%";
}
}),10);
</script>
</body>
</html>
第二种方式，数组式：
<!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>无标题文档</title>
</head>
<body>
<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>
<script type="text/javascript">
var loading = new Object(); //定义一个图片展示的对
loading = {
loadWidth: 0,
auto: "",
speed: 10,
spWidth:0,
doScroll: function(dd) {
loading.spWidth = (document.getElementById(dd).getElementsByTagName("div")[0].scrollWidth / document.getElementById(dd).scrollWidth) * 100;
loading.auto = setInterval(function() { loading.dos(dd) }, loading.speed)
},
dos: function(aa) {
//alert(loading.spWidth());
loading.loadWidth += 1;
//document.getElementById("ggg").innerHTML=document.getElementById(aa).getElementsByTagName("div")[0].scrollWidth+"-------"+document.getElementById(aa).scrollWidth;
if (loading.loadWidth >= loading.spWidth) {
clearInterval(loading.auto);
} else {
document.getElementById(aa).getElementsByTagName("div")[0].style.width = loading.loadWidth + "%";
}
}
};
loading.doScroll("allBox");
</script>
</body>
</html>
第三种方式，面向对象：
<!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>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">
