<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>弹窗</title>
<style>
*{
margin:0px;
padding:0px;
}
#container{
position:absolute;
top:50%;
left:50%;
margin-left:-50px;
margin-top:-15px;
width:100px;
height:50px;
text-align:center;
line-height:50px;
background-color:mediumorchid;
border-radius:15px;
opacity:0;
transition:1s;
}
</style>
</head>
<body>
<div id="container">弹窗</div>
<script>
const div = document.getElementById("container")
function popup(){
setTimeout(function(){
div.style.marginTop = "-15px"
div.style.opacity = 0
}, 500)
setTimeout(function(){
div.style.marginTop = "-100px"
div.style.opacity = 1
}, 1000)
setTimeout(function(){
div.style.marginTop = "-200px"
div.style.opacity = 0
}, 2000)
// setTimeout(function(){
// div.style.marginTop = "-15px"
// // div.style.opacity = 0
// },1)
}
setInterval(function(){
popup()
},2500)
</script>
</body>
</html>
javascript实现弹窗
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转载自blog.csdn.net/weixin_48727085/article/details/118341232
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