JS implements a pop-up layer effect that can be customized in size and closed by double-clicking

JS implements a pop-up layer effect that can be customized in size and closed by double-clicking_javascript skills

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Release： 2016-05-16 15:36:29

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The example in this article describes the JS implementation of a pop-up layer effect that can be customized in size and closed by double-clicking. Share it with everyone for your reference. The details are as follows:

This is a JS pop-up layer with customizable size. Double-click to close the layer, and windows of 500, 300 or 500, 500 sizes can pop up. After the window pops up, double-click within the pop-up window to close the mouse. I think it's a pretty good effect and you can learn a lot of JS knowledge.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-define-close-able-alert-dlg-demo/

The specific code is as follows:

<!DOCTYPE html>
<html>
<head>
<title>JS弹出层</title>
<style>
body {margin:0px}
#Loading {position:absolute;z-index:10;left:10px;top:10px;border:1px #666666 solid;background:#eeeeee;width:10px;height:10px}
</style>
<script LANGUAGE="JavaScript">
<!--
function $(){return document.getElementById&#63;document.getElementById(arguments[0]):eval(arguments[0]);}
var OverH,OverW,ChangeDesc,ChangeH=50,ChangeW=50;
function OpenDiv(_Dw,_Dh,_Desc) {
$("Loading").innerHTML="";
OverH=_Dh;OverW=_Dw;ChangeDesc=_Desc;
$("Loading").style.display='';
if(_Dw>_Dh){ChangeH=Math.ceil((_Dh-10)/((_Dw-10)/50))}else if(_Dw<_Dh){ChangeW=Math.ceil((_Dw-10)/((_Dh-10)/50))}
$("Loading").style.top=(document.documentElement.clientHeight-10)/2+"px";
$("Loading").style.left=(document.documentElement.clientWidth-10)/2+"px";
OpenNow()
}
var Nw=10,Nh=10;
function OpenNow() {
if (Nw>OverW-ChangeW)ChangeW=2;
if (Nh>OverH-ChangeH)ChangeH=2;
Nw=Nw+ChangeW;Nh=Nh+ChangeH;
if(OverW>Nw||OverH>Nh) {
if(OverW>Nw) {
$("Loading").style.width=Nw+"px";
$("Loading").style.left=(document.documentElement.clientWidth-Nw)/2+"px";
}
if(OverH>Nh) {
$("Loading").style.height=Nh+"px";
$("Loading").style.top=(document.documentElement.clientHeight-Nh)/2+"px"
}
window.setTimeout("OpenNow()",10)
}else{
Nw=10;Nh=10;ChangeH=50;ChangeW=50;
$("Loading").innerHTML=ChangeDesc;
}
}
//-->
</script>
</head>
<body>
<a href="javascript:OpenDiv(500,300,'层1<br>双击关闭')">层1 500*300</a><br><br>
<a href="javascript:OpenDiv(500,200,'层2<br>双击关闭')">层2 500*200</a><br><br>
<a href="javascript:OpenDiv(200,500,'层3<br>双击关闭')">层3 200*500</a><br><br>
<a href="javascript:OpenDiv(500,500,'层4<br>双击关闭')">层4 500*500</a>
<a href="javascript:OpenDiv(500,500,'层5<br>双击关闭')">层5 500*500</a>
<div id="Loading" style="display:none" ondblclick="this.style.display='none'"></div>
</body>
</html>

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I hope this article will be helpful to everyone’s JavaScript programming.