//获取非行间样式
function getStyle(ele,attr){
return ele.currentStyle ? ele.currentStyle[attr] : getComputedStyle(ele,null)[attr];
}
function move(ele,json,fn){ //json的接收 {width:10900}
//清除定时器
clearInterval(ele.timer);
//开启定时器
ele.timer = setInterval(function(){
var mStop = true;
//遍历json
for(attr in json){
//获取变换的属性的值
var iCur = getStyle(ele,attr);
//判断是否为透明
if(attr == ‘opacity‘){
iCur *= 100;
}else{
iCur = parseInt(iCur);
}
//设置速度
var speed = (json[attr] - iCur) / 8;
//速度取整
speed = speed > 0 ? Math.ceil(speed) : Math.floor(speed);
//判断
if(iCur != json[attr]){
mStop = false;
}
//运动的逻辑
if(attr == ‘opacity‘){
ele.style.opacity = (iCur + speed) / 100;
ele.style.filter = ‘alpha(opacity=‘+(iCur + speed)+‘)‘
}else{
ele.style[attr] = iCur + speed + ‘px‘;
}
}
if(mStop){
clearInterval(ele.timer);
if(fn){
fn();
}
}
},30)
}
