JS打开层/关闭层/移动层动画效果的实例代码_javascript技巧

body, span, div, td { font-size ：12 像素；行高：1.5em；颜色：#849BCA； }
#bodyL { float:left;宽度：84px；右边距：2px； }
a.od { 宽度：80px;高度：25px；行高：25px；文本对齐：居中；字体粗细：粗体；边框：2px实线#849BCA；显示：块；颜色：#547BC9；浮动：左；文本装饰：无；顶部边距：2px； }
a.od:link { 背景:#EEF1F8; }
a.od:访问过{背景:#EEF1F8; }
a.od:hover { 背景:#EEE; }
a.od:active { 背景:#EEE; }
#fd { 宽度：500px;高度：200px；背景：#EDF1F8；边框：2px实线#849BCA；顶部边距：2px；左边距：2px；浮动：左；溢出：隐藏；位置：绝对；左：0px；顶部：0px；光标：移动； float:left;/*filter:alpha(opacity=50);*/ }
.content { padding:10px; }

< ;div id="bodyL">
[打开层]
[关闭层]

var prox ;
var proy;
var proxc;
var proyc;
function show(id){/*--打开--*/
clearInterval(prox);
clearInterval( proy);
clearInterval(proxc);
clearInterval(proyc);
var o = document.getElementById(id);
o.style.display = "block";
o. style.width = "1px";
o.style.height = "1px";
prox = setInterval(function(){openx(o,500)},10);
}
function openx(o,x){/*--打开x--*/
var cx = parseInt(o.style.width);
if(cx {
o.style.width = (cx Math.ceil((x-cx)/5)) "px";
}
else
{
clearInterval(prox);
proy = setInterval(function(){openy(o,200)},10);
}
}
function openy(o,y){/*--openy--*/
var cy = parseInt(o.style.height);
if(cy {
o.style.height = (cy Math.ceil((y-cy)/5)) "px";
}
else
{
clearInterval(proy );
}
}
函数关闭(id){/*--关闭--*/
clearInterval(prox);
clearInterval(proy);
clearInterval(proxc) );
clearInterval(proyc);
var o = document.getElementById(id);
if(o.style.display == "block")
{
proyc = setInterval( function(){closey(o)},10);
}
}
function closey(o){/*--打开y--*/
var cy = parseInt(o. style.height);
if(cy > 0)
{
o.style.height = (cy - Math.ceil(cy/5)) "px";
}
else
{
clearInterval(proyc);
proxc = setInterval(function(){closex(o)},10);
}
}
function closex(o) {/*--打开x--*/
var cx = parseInt(o.style.width);
if(cx >; 0)
{
o.style.width = (cx - Math.ceil(cx/5)) "px";
}
else
{
clearInterval(proxc) ;
o.style.display = "none";
}
}
/*------------------------ --拖动鼠标---------------------*/
var od = document.getElementById("fd");
var dx,dy ,mx,my,mouseD;
var odrag;
var isIE = document.all ? true : false;
document.onmousedown = function(e){
var e = e ? e : 事件;
if(e.button == (document.all ? 1 : 0))
{
mouseD = true;
}
}
document.onmouseup = function(){
mouseD = false;
odrag = "";
if(isIE)
{
od.releaseCapture();
od.filters.alpha.opacity = 100;
}
else
{
window.releaseEvents(od.MOUSEMOVE);
od.style.opacity = 1;
}
}
// function readMove(e){
od.onmousedown = function(e){
odrag = this;
var e = e ? e : 事件;
if(e.button == (document.all ? 1 : 0))
{
mx = e.clientX;
my = e.clientY;
od .style.left = od.offsetLeft "px";
od.style.top = od.offsetTop "px";
if(isIE)
{
od.setCapture();
od.filters.alpha.opacity = 50;
}
else
{
window.captureEvents(Event.MOUSEMOVE);
od.style.opacity = 0.5;
}
//alert(mx);
//alert(my);
}
}
document.onmousemove = function(e){
var e = e ? e : 事件;
//alert(mrx);
//alert(e.button);
if(mouseD==true && odrag)
{
var mrx = e. clientX - mx;
var mry = e.clientY - my;
od.style.left = parseInt(od.style.left) mrx "px";
od.style.top = parseInt(od .style.top) mry "px";
mx = e.clientX;
my = e.clientY;
}
}