Ask the candidate what s/he can say about this code, and what the output is.

js-interview-question.js

function createFunctions() {
  var i;
  var functions = [];

  for (i = 0; i < 5; i++){
    functions[i] = function(){
      console.log(i);
    };
  }

  return functions;
}

var funcs = createFunctions();

funcs[2]();
funcs[4]();