Configuring Webpack to write JS with ES6/ES2015 on browser

You can use Webpack instead Grunt or Gulp on a lot of ways. It is a module bundler, that, without plugins, helps you to use AMD or CommonJS modules easily.

PS: This tutorial is about webpack v1. The…

Using slice() to copy an array

In JavaScript, objects are passed by reference. When you create an object, it takes up a space in memory. Array is a kind of object.

var arr = [];
var arr2 = [];
console.log(arr === arr2); // false

Replace your loops by Array methods

It is very common to use loops on our codes, when we work with big amounts of data.

And in most time, this data come from an array. So, we make something like this:

var data = [
  { 
    id: 1, 
    title: 'Title 1'…

Getting real object types with JavaScript

If you use typeof to get object type in JavaScript, you’ve probably been through it: