JavaScript Logical OR Operator Quiz
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Questions and Answers

What does the logical OR (||) operator return if x can be converted to true?

  • true
  • y
  • x (correct)
  • false

    • How can the return value of the logical OR operator be explicitly converted to a boolean value?

  • Using the double NOT operator (correct)
  • Using the XOR operator
  • Using the NOT operator
  • Using the double AND operator

    • What does MongoDB do when evaluating the clauses in the $or expression?

  • Always uses indexes if supported
  • Performs a collection scan or uses indexes if supported (correct)
  • Performs a collection scan regardless of indexes
  • Always performs a collection scan

    • What kind of values are considered falsy in JavaScript?

    <p>Values that can be converted to false</p> Signup and view all the answers

    How is a truthy value defined in JavaScript?

    <p>A value that can be converted to true</p> Signup and view all the answers

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