Method from

modules/piu/All/piuTimeline.js:100–105

(target, fromProperties, duration, easing = null, delay = 0, when = this.duration)

		return this;
	}
	from(target, fromProperties, duration, easing = null, delay = 0, when = this.duration) {
		when += delay;
		this.duration = Math.max(when + duration, this.duration);
		this.tweens.push(Tween.from(target, fromProperties, duration, easing, when));
		return this;
	}
	on(target, onProperties, duration, easing = null, delay = 0, when = this.duration) {
		when += delay;
		this.duration = Math.max(when + duration, this.duration);