Example analysis of how to simply implement the jQuery pop-up effect
This article mainly teaches you how to simply implement the jQuery pop-up effect. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.
The example in this article shares the specific code for jQuery pop-up window effect display for your reference. The specific content is as follows
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>弹窗</title>
<script type="text/javascript" src="../jquery-3.2.1.min.js"></script>
<style type="text/css">
*{margin: 0px;padding: 0px;}
#login{height:300px;width: 300px;border: 1px solid #ddd;position: absolute; }
#close{position: absolute;right: 0px;top: 0px;}
</style>
<script type="text/javascript">
// JS创建一个p标签，也就是节点元素
// window.onload=function(){
// document.createElement('p');
// }
// 使用jQuery创建：$('<p>');带尖括号的是创建，不带是选择的意思
$(function(){
// var op=$('<p>');
// $('body').append(op);
$('input').click(function(){
var oLogin=$('<p id="login"><p>用户名<input type="text"></p><p>密码<input type="text"></p><p id="close">X</p></p>');//此功能就相当于body中注释的代码
$('body').append(oLogin);
oLogin.css('left',($(window).width()-oLogin.outerWidth())/2);
oLogin.css('top',($(window).width()-oLogin.outerHeight())/2);//是弹窗能够出现在浏览器的中间
$("#close").click(function(){
oLogin.remove();
})
// jquery 中$()里window不用加引号
// 添加resize()浏览器窗口大小改变
// scroll():滚动条，以下的作用是当滚动条滚动时候，弹窗的位置也不变化
$(window).on("resize scroll",function(){
oLogin.css('left',($(window).width()-oLogin.outerWidth())/2+$(window).scrollLeft());
oLogin.css('top',($(window).width()-oLogin.outerHeight())/2+$(window).scrollTop());
})
});
});
</script>
</head>
<body>
<input type="button" value="点击">
<!-- <p id="login">
<p>用户名<input type="text"></p>
<p>密码<input type="text"></p>
<p id="close">X</p>
</p> -->
</body>
</html>Points used:
jQuery creation: $(' ');
Pop-up window location:
oLogin.css('left',($(window).width()-oLogin.outerWidth())/2); oLogin.css('top',($(window).width()-oLogin.outerHeight())/2);
When the scroll bar scrolls, the position of the pop-up window changes:
$(window).on("resize scroll",function(){
oLogin.css('left',($(window).width()-oLogin.outerWidth())/2+$(window).scrollLeft());
oLogin.css('top',($(window).width()-oLogin.outerHeight())/2+$(window).scrollTop());
})Related recommendations:
The pop-up window in H5 cannot How to solve the problem of pop-up using webview
How to use js in php to pass parameters to the pop-up window
Personalized web page small pop-up window
The above is the detailed content of Example analysis of how to simply implement the jQuery pop-up effect. For more information, please follow other related articles on the PHP Chinese website!
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