JS实现定时操作 图片轮播效果(setInterval)

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			window.onload=function(){
				setInterval("changeImg()",1000);
			}
			var i=0;
			function changeImg(){
				i++;
				document.getElementById("img1").src="../img/"+i+".jpg";
				if(i==3){
					i=0;
				}
			}
		</script>
	</head>
	<body>
	<img src="../img/1.jpg" id="img1"/>
	</body>
</html>

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转载自blog.csdn.net/qq_41566772/article/details/83545014