function isAnimating() {
            if (!this.cacheIsAnimating) {
                return false;
            }
            this.cacheIsAnimating = this.currentValue !== this.targetValue;
            return this.cacheIsAnimating;
        }
/**
         * Returns true if spring is animating. Note that we cache the return value
         * for performance reasons and use the cached version if it's false. Thus,
         * the value is manually set to true at the beginning of the springTo method.
         *
         * @return {boolean}
         */
Returns true if spring is animating. Note that we cache the return value
for performance reasons and use the cached version if it's false. Thus,
the value is manually set to true at the beginning of the springTo method.

@return {boolean}
Returns true if spring is animating . Note that we cache the return value for performance reasons and use the cached version if it ' s false . Thus the value is manually set to true at the beginning of the springTo method . @return { boolean }
function isAnimating() {
            if (!this.cacheIsAnimating) {
                return false;
            }
            this.cacheIsAnimating = this.currentValue !== this.targetValue;
            return this.cacheIsAnimating;
        }
function isAnimating ( ) { if ( ! this . cacheIsAnimating ) { return false ; } this . cacheIsAnimating = this . currentValue !== this . targetValue ; return this . cacheIsAnimating ; }
Returns true if spring is animating.
Returns true if spring is animating .