javascript当中跑马灯的作用
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 οnlοad="pao()">
<span id="sp"></span>
</body>
</html>
setTimeout&clearInterval
更多内容请见原文，文章转载自：https://blog.csdn.net/qq_43650923/article/details/103052283
