跑马灯
例 1.9.3（PaoMaDengSelfIEFF.html)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title></title>
<script type="text/javascript">
var str="welcome to my website";
var i=1;
function pao()
{
window.setInterval(repCode,1000);
}
function repCode()
{
document.getElementById("sp").innerHTML= str.substring(0,i);
// window.status= str.substring(0,i);
i++;
if(i==str.length) i=1;
}
</script>
</head>
<body onload="pao()">
<span id="sp"></span>
</body>
</html>
更多参考原文地址：http://www.mark-to-win.com/index.html?content=Javascript/jsUrl.html&chapter=Javascript/js5_web.html#PaoMaDeng
javascript当中跑马灯的作用
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转载自blog.csdn.net/mark_to_win/article/details/88665815
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