JSFiddle - React, Tailwind, and code Playground

by dmitri_pavlutin

JavaScript

const count = function(array) { // Function expression
  return array.length;
}
console.log(count([5, 7, 8])); // => 3

const methods = {
  numbers: [1, 5, 8],
  sum: function() { // Function expression
    return this.numbers.reduce(function(acc, num) { // func. expression
      return acc + num;
    });
  }
}
console.log(methods.sum());    // => 14