Method switchToPreviousTab

lib/helper/Puppeteer.js:1122–1134

* Switch focus to a particular tab by its number. It waits tabs loading and then switch tab * * ```js * I.switchToPreviousTab(); * I.switchToPreviousTab(2); * ``` * @param {number} [num=1]

(num = 1)

   * @param {number} [num=1]
   */
  async switchToPreviousTab(num = 1) {
    const pages = await this.browser.pages()
    const index = pages.indexOf(this.page)
    this.withinLocator = null
    const page = pages[index - num]

    if (!page) {
      throw new Error(`There is no ability to switch to previous tab with offset ${num}`)
    }

    await this._setPage(page)
    return this._waitForAction()
  }

  /**
   * Close current tab and switches to previous.