js完美运动框架

// 完美运动框架：

function startMove(obj,json,complete){
    clearInterval(obj.timer);
    obj.timer = setInterval(function(){
        var isYes = true;
        for(var attr in json){
            var iCur = null;
            if(attr == 'opacity'){
                iCur = parseInt(getStyle(obj,'opacity') * 100);
            }else{
                iCur = parseInt(getStyle(obj,attr));
            }
            var speed = (json[attr] - iCur) / 8;
            speed = speed > 0? Math.ceil(speed): Math.floor(speed);
            if(attr == 'opacity'){
                iCur += speed;
                obj.style.opacity = iCur / 100;
                obj.style.filter = 'alpha(opacity=' + iCur + ')';
            }else{
                obj.style[attr] = iCur + speed + 'px';
            }
            if(iCur != json[attr]){
                isYes = false;
            }
        }
        if(isYes == true){
            clearInterval(obj.timer);
            if(complete){
                complete.call(obj);
            }
        }
    },30);
    function getStyle(element,csstype){
        return  element.currentStyle ? element.currentStyle[cssType] : getComputedStyle(element)[cssType];
    }
    ["获取样式的简单实现方法"](https://www.jb51.net/article/92551.htm)
}