//多個值同時變化function getStyle(obj, name)//函數幫助獲取不在行間樣式,不受非行間border,padding等得影響{ //style只獲取行間樣式。offset受非行間border,padding等得影響 if(obj.currentStyle) { return ...
//多個值同時變化
function getStyle(obj, name)//函數幫助獲取不在行間樣式,不受非行間border,padding等得影響
{ //style只獲取行間樣式。offset受非行間border,padding等得影響
if(obj.currentStyle)
{
return obj.currentStyle[name];
}
else
{
return getComputedStyle(obj, false)[name];
}
}
//startMove(oDiv, {width: 400, height: 400})
function startMove(obj, json, fnEnd)//obj運動對象 json用於存放對象的樣式和值 fnEnd 用於下一步驟的鏈式運動
{
clearInterval(obj.timer);
obj.timer=setInterval(function ()
{
var bStop=true; //假設:所有值都已經到了
for(var attr in json)
{
var cur=0;
if(attr=='opacity')
{
cur=Math.round(parseFloat(getStyle(obj, attr))*100);
}
else
{
cur=parseInt(getStyle(obj, attr));
}
var speed=(json[attr]-cur)/6;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(cur!=json[attr])
bStop=false;
if(attr=='opacity')
{
obj.style.filter='alpha(opacity:'+(cur+speed)+')';
obj.style.opacity=(cur+speed)/100;
}
else
{
obj.style[attr]=cur+speed+'px';
}
}
if(bStop)
{
clearInterval(obj.timer);
if(fnEnd)
fnEnd();
}
}, 30);
}