文字轮播

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			var s="明天会更加美好!"
			var i=0;
			var divObj;
			function init(){
				setInterval(show,200);
				divObj=document.getElementById("divId")
				}
			function show(){
				i++;
				var s_=s.substring(s,i);
				divObj.innerHTML=s_;
				if(i==s.length){
					i=0;
				}
			}
		</script>
	</head>
	<body onload="init()">
		<div id="divId">
			
		</div>
	</body>
</html>

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转载自blog.csdn.net/fan_lulu/article/details/82984499