Method getElapsedTime

Timing-Functions/IntervalTimer.js:46–50

* @return {number} Elapsed time in milliseconds since reset.

(offset = 0)

   * @return {number} Elapsed time in milliseconds since reset.
   */
  getElapsedTime(offset = 0) {
    this.timeElapsed = this.timer - this.prevInterval
    this.prevInterval = this.timer
    return this.timeElapsed - offset
  }

  /**
   * @return {number} Elapsed time since start.