search

Home >Web Front-end >JS Tutorial >How to implement JS animation effects to open and close layers_javascript skills

How to implement JS animation effects to open and close layers_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:00:071318browse

The example in this article describes the implementation method of opening and closing the JS animation effect. Share it with everyone for your reference. The details are as follows: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>层展开、关闭</title>
<style type="text/css">
#main{
width:500px; margin:100px;
height:500px;border:1px solid red
}
#test{
border:1px solid red;
display:none;width:10px;
height:10px; background:yellow
}
</style>
</head>
<body>
<input type="button" value="打开" id="bt" />
<input type="button" value="关闭" id="bt1" />
<div id="main"><div id="test"></div>
</div>
</body>
</html>
<script type="text/javascript">
function $ (o) {
return document.getElementById(o);
}
function XslideDown(obj,type,mX,num) {
if(!type){return;}
try{
var type1=type=="height"&#63;"marginTop":"marginLeft";
var type2=type=="height"&#63;"top":"left";
XSetCss(obj,[type1,XgetOffset(obj)[type2]+"px"]);
XSetCss(obj,[type,XgetOffset(obj)[type]+num+"px"]);
if(XgetOffset(obj)[type]<mX){
setTimeout(function(){XslideDown(obj,type,mX,num);},10); 
}
else{
XSetCss(obj,[type,mX])
}
}
catch(e){}
}
function XslideUp(obj,type,mX,num) {
if(!type){return;}
try{
var type1=type=="height"&#63;"marginTop":"marginLeft";
var type2=type=="height"&#63;"top":"left";
XSetCss(obj,[type1,XgetOffset(obj)[type2]+"px"]);
XSetCss(obj,[type,XgetOffset(obj)[type]-num+"px"]);
if(XgetOffset(obj)[type]>mX){ 
setTimeout(function(){XslideUp(obj,type,mX,num);},1); 
}
else{
XSetCss(obj,[type,mX])
obj.style.display="none";
}
}
catch(e){}
}
function XSetCss(obj,cssArgs){
if(arguments.length==2)
{ 
if(cssArgs.constructor==Object){
for(var o in cssArgs)
{
if(obj.style[o]!="undefiend")
{
obj.style[o]=cssArgs[o]; 
} 
} 
}
if(cssArgs.constructor==Array&&cssArgs.length==2){
obj.style[cssArgs[0]]=cssArgs[1]; 
}
}
}
function XgetOffset (obj) {
return {
height:obj.offsetHeight,
width:obj.offsetWidth,
top:parseInt((obj.parentNode.offsetHeight-obj.offsetHeight)/2),
left:parseInt((obj.parentNode.offsetWidth-obj.offsetWidth)/2)
}
}
function XopenDiv(o){
o.style.display="block";
XslideDown(o,"width",400,10);
XslideDown(o,"height",400,10);
}
function XcloseDiv(o){
XslideUp(o,"width",10,10);
XslideUp(o,"height",10,10);
}
$("bt").onclick=function(){
XopenDiv($("test"))
}
$("bt1").onclick=function(){
XcloseDiv($("test"))
}
</script>

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

Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：js method to slowly pop up floating layer advertisements on web pages from right to left_javascript skillsNext article：js method to slowly pop up floating layer advertisements on web pages from right to left_javascript skills

Related articles

See more