JavaScript 운동 함수 패키지

	function uniformSpeed(dom,target,speed){
		clearInterval(dom.timer);
		//   1：
		var iSpeed = target - dom.offsetLeft > 0 ? speed:-speed;
		dom.timer = setInterval(function(){
			//   :2：
			if(Math.abs(target - dom.offsetLeft) < Math.abs(iSpeed)){
				dom.style.left= target +'px';
				clearInterval(dom.timer);
			}else{
				dom.seyle.left = dom.offsetLeft + iSpeed +'px'; 
			}
		},30)		
	}

	function decelerationSpeed(dom,target){
		clearInterval(dom.timer);
		dom.timer = function(){
			var iSpeed = (target - dom.offsetLeft)/7;
			//   1：
			iSpeed = iSpeed > 0 ? Math.ceil(iSpedd) : Math.floor(iSpeed);
			if(target == dom.offsetLeft){
				clearInterval(dom.timer);
			}else{
				dom.style.left = dom.offsetLeft + iSpeed + 'px';	
			}
		}
}

	//        
    function getStyle(dom, arr) {
        if (window.getComputedStyle) {
            return window.getComputedStyle(dom, null)[arr];
        } else {
            return dom.currentStyle[arr]; //       IE 
        }
    }
	function startMove(dom,target){
        clearInterval(timer);
        timer = setInterval(function(){
            var  iCur = parseFloat(getStyle(dom,'opacity')),//          
                 iSpeed = ((target -iCur)/7)*100;//   1：
            iSpeed = iSpeed > 0 ? Math.ceil(iSpeed):Math.floor(iSpeed);
            if(iCur == target){
                clearInterval(timer);
            }else{
                dom.style.opacity = iCur + iSpeed/100;//   2：
            }
        },30)
    }

	function startMove(dom, arrobj, callback) {
        clearInterval(dom.timer);
        dom.timer = setInterval(function() {
            var iSpeed = null,
                iCur = null,
                stopFlag = true;
            for (var arr in arrobj) {
                iCur = parseFloat(getStyle(dom, arr));
                if (arr === 'opacity') {
                    iSpeed = (arrobj[arr] - iCur) / 7 * 100;
                } else {
                    iSpeed = (arrobj[arr] - iCur) / 7;
                }
                iSpeed = iSpeed > 0 ? Math.ceil(iSpeed) : Math.floor(iSpeed);

                if (arr === 'opacity') {
                    dom.style.opacity = iCur + iSpeed / 100;
                } else {
                    dom.style[arr] = iCur + iSpeed + 'px';
                }
                if(iCur != arrobj[arr]){
                    stopFlag = false;
                }

            }
            if (stopFlag) {
                clearInterval(dom.timer);
                typeof callback == 'function' && callback();
            }
        }, 30)
    }