<!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>
JS实现定时操作 图片轮播效果(setInterval)
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转载自blog.csdn.net/qq_41566772/article/details/83545014
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