Method _resolveExtraHiglightElements

shepherd.js/src/step.ts:486–489

* Resolves attachTo options. * @returns {{}|{element, on}}

()

   * @returns {{}|{element, on}}
   */
  _resolveExtraHiglightElements() {
    this._resolvedExtraHighlightElements = parseExtraHighlights(this);
    return this._resolvedExtraHighlightElements;
  }

  /**
   * Resolves attachTo options.