Method waitForFunction

lib/helper/Puppeteer.js:2702–2714

* {{> waitForFunction }}

(fn, argsOrSec = null, sec = null)

   * {{> waitForFunction }}
   */
  async waitForFunction(fn, argsOrSec = null, sec = null) {
    let args = []
    if (argsOrSec) {
      if (Array.isArray(argsOrSec)) {
        args = argsOrSec
      } else if (typeof argsOrSec === 'number') {
        sec = argsOrSec
      }
    }
    const waitTimeout = sec ? sec * 1000 : this.options.waitForTimeout
    const context = await this._getContext()
    return context.waitForFunction(fn, { timeout: waitTimeout }, ...args)
  }

  /**
   * Waits for navigation to finish. By default, takes configured `waitForNavigation` option.