本文实例为大家分享了JavaScript实现弹窗效果的具体代码，供大家参考，具体内容如下
使用css动画效果实现弹窗缓慢弹出和收回。
使用JavaScript实现定时弹出定时收回。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>简单弹窗</title>
<style>
* {
margin: 0;
padding: 0;
}
.pop {
width: 400px;
height: 300px;
position: fixed;
bottom: 0;
right: 0;
display: none;
animation: pop 1s ease-in-out 0s;
}
@keyframes pop {
from {
height: 0;
}
to {
height: 300px;
}
}
.down {
width: 400px;
height: 0;
position: fixed;
bottom: 0;
right: 0;
display: block;
animation: out 1s ease-in-out;
}
@keyframes out {
from {
height: 300px;
}
to {
height: 0;
}
}
.img1 {
width: 400px;
height: 300px;
vertical-align: top;
}
</style>
</head>
<body>
<div class="pop" id="pop">
<img src="images/01.jpg" alt="" class="img1">
</div>
</body>
<script>
window.onload = function () {
timer = window.setInterval(imgBlock, 2000);
};
function imgBlock() {
var pop = document.getElementById('pop');
pop.style.display = 'block';
timer2 = window.setInterval(imgNone,5000);
}
function imgNone() {
var pop = document.getElementById('pop');
pop.className = 'down';
clearInterval(timer);
clearInterval(timer2);
}
</script>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
