Default parameters in JavaScript ES2015

Download this episode

Download Video


In this video written by John-David Dalton, you can learn about default parameters in JavaScript ES2015, which allow you to specify the default values for your parameters if no value or undefined is passed in. Microsoft Edge with lets you take full advantage of this language feature,  letting you write more expressive, more concise code.  You can read more about default parameters at



Available formats for this video:

Actual format may change based on video formats available and browser capability.

    The Discussion

    • User profile image

      It would be great if we could have a policy to stop java-script out of the browser, making in open with example notepad., because of ransom-ware written in java-script.

    Comments closed

    Comments have been closed since this content was published more than 30 days ago, but if you'd like to send us feedback you can Contact Us.