Method iteration

src/gsap-core.js:1231–1234

(value, suppressEvents)

	}

	iteration(value, suppressEvents) {
		let cycleDuration = this.duration() + this._rDelay;
		return arguments.length ? this.totalTime(this._time + (value - 1) * cycleDuration, suppressEvents) : this._repeat ? _animationCycle(this._tTime, cycleDuration) + 1 : 1;
	}

	// potential future addition:
	// isPlayingBackwards() {