• 10 hours
  • Easy

Free online content available in this course.



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Last updated on 2/11/20

JavaScript basics

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Evaluated skills

  • Understand JavaScript data types and their respective roles


You've got the basics down!

  • Question 1

    What's the standard extension for JavaScript files?

    • .javascript

    • .js

    • .html

  • Question 2

    Which is not a standard JavaScript type?

    • Number

    • Integer

    • String

    • Boolean

  • Question 3

    What is a variable?

    • A "box" that stores information

    • A "box" that stores an unchangeable value

    • A JavaScript statement

    • A JavaScript number