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Problem Explanation:

  • This program is very simple, the trick is to understand what a boolean primitive is. The programs requires a true or false answer.

Hint: 1

  • You will need to check for the type of the parameter to see if it is a boolean.

Hint: 2

  • To check for the type of a parameter, you can use typeof

Hint: 3

  • Since you must return true or false you can use if statements or just have it return the boolean used for the if statement.

Spoiler Alert!

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Solution ahead!

Code Solution:

function boo(bool) {
  // Uses the operator typeof to check if is a boolean
  // if yes then return true, if it is another type then return false
  return typeof bool === 'boolean';
}

Code Explanation:

  • Read comments on code.

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