The JavaScript Interview Handbook: 100+ Interview Questions/

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Solution Review: Callback Functions

Solution Review: Callback Functions

This lesson will explain the solution to the problem in the previous lesson.

We'll cover the following...

Solution #

Javascript (babel-node)
function feelings(val, func) {
  console.log("I am " + val + ", " + func(2));
}
var laughing = function(num) {
  var laugh = "";
  for (var i = 0; i < num; i++) {
    laugh = laugh + "ha";
  }
  return laugh;
};
function display() {
  feelings("happy", laughing);
}
display()

Explanation #

This is a very simple question testing your basic understanding of callback ...