Method call

src/gsap-core.js:1510–1512

(callback, params, position)

	}

	call(callback, params, position) {
		return _addToTimeline(this, Tween.delayedCall(0, callback, params), position);
	}

	//ONLY for backward compatibility! Maybe delete?
	staggerTo(targets, duration, vars, stagger, position, onCompleteAll, onCompleteAllParams) {