Accepts the alert available.

        Usage::
        Alert(driver).accept() # Confirm a alert dialog.

def accept(self):
        """
        Accepts the alert available.

        Usage::
        Alert(driver).accept() # Confirm a alert dialog.
        """
        if self.driver.w3c:
            self.driver.execute(Command.W3C_ACCEPT_ALERT)
        else:
            self.driver.execute(Command.ACCEPT_ALERT)