Functions- Default Parameters

Default parameters allow parameters to have a predetermined value in case there is no argument passed into the function or if the argument is undefined when called. By using a default parameter, we account for situations when an argument isn’t passed into a function that is expecting an argument. In the following video, we will show you how to set default parameters for a function.


  1. Click the play button to watch the video lesson.
  2. Watch the lesson as many times as needed.
  3. Code along with the instructor using the integrated code editor in the center of your screen.
  4. You can use the Run button beneath the code editor to test your code.
  5. Output from the code that you have written will appear in the panel on the right side of your screen.

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