The JavaScript Interview Handbook: 100+ Interview Questions/

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Solution Review: Higher Order Functions

Solution Review: Higher Order Functions

In this lesson, we will discuss the solutions to the questions in the previous lesson.

We'll cover the following...

Question 1: Solution review #

In the previous lesson, you were given the following code:

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const func1 = function(num){
  return function(){
    if(typeof num == 'NaN'){
      return "Not a number"
    }else{
      return typeof(num)
    }
  }
}

For the code above, you had to answer the following question:

Explanation #

Higher-Order functions ...