Method updateTimeIndex

src/localization/captions/Caption.js:119–130

* Updates the current time and index of the caption instance * @param {Number} [time=0] * @memberof Caption

(time = 0)

   * @memberof Caption
   */
  updateTimeIndex(time = 0) {
    this.time = time;
    if (this.isFinished()) {
      return;
    }
    for (let i = this.lines.length - 1; i > -1; i--) {
      if (this.lines[i].startTime <= time) {
        this.lineIndex = i;
        break;
      }
    }
  }
}