Method deselectAll

javascript/selenium-webdriver/lib/select.js:349–361

* Deselects all selected options * @returns {Promise }

()

   * @returns {Promise<void>}
   */
  async deselectAll() {
    if (!this.isMultiple()) {
      throw new Error('You may only deselect all options of a multi-select')
    }

    const options = await this.getOptions()

    for (let option of options) {
      if (await option.isSelected()) {
        await option.click()
      }
    }
  }

  /**
   *