js轮播图代码

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style>
			.banner{
				width: 100%;
			}
		</style>
		<script type="text/javascript" src="js/jquery.min.js"></script>
	</head>
	<body>
		<div class="banner">
			<img id="img" src="img/1.jpg" />
		</div>
		<script type="text/javascript">
			var img=document.getElementById("img");
			var i=1;
			function banner(){
				i++;
				if(i>4){ //4表示只有四张图片
					i=1;
                   //播放四次停止
				   //clearInterval(a);
				   //return;
				}
				img.src="img/"+i+".jpg";
			}
			setInterval(banner,1000);
		</script>
		
	</body>
</html>

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转载自my.oschina.net/u/3740271/blog/2222834