Function setFocus

src/Modal.js:295–303

()

  }

  setFocus() {
    if (
      this._dialog &&
      this._dialog.parentNode &&
      typeof this._dialog.parentNode.focus === 'function'
    ) {
      this._dialog.parentNode.focus();
    }
  }

  getFocusableChildren() {
    return this._element.querySelectorAll(focusableElements.join(', '));