Function Fun
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Questions and Answers

Which of the following is not a valid way to define a function in JavaScript?

  • Function Declaration
  • Arrow Function Expression
  • Function Expression
  • Class Declaration (correct)
  • What is the difference between a parameter and an argument in a function?

  • A parameter is a value received by a function, while an argument is a value passed into a function
  • A parameter is a value that can be used within a function, while an argument is a value that can be used outside of a function
  • A parameter is a value passed into a function, while an argument is a value received by a function (correct)
  • There is no difference
  • What does the 'return' keyword do in a function?

  • Ends the function's execution and returns the value of the last executed statement
  • Ends the function's execution and returns null
  • Ends the function's execution and returns the value specified by the programmer (correct)
  • Ends the function's execution and returns undefined
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