Mate.Driver.exec_script

You're seeing just the callback exec_script, go back to Mate.Driver module for more information.
Link to this callback

exec_script(session, script)

View Source

Specs

exec_script(session :: Mate.Session.t(), script :: String.t()) ::
  {:ok, String.t()} | {:error, String.t()}

Executes a script using the driver