ES2016 is a small but important release. Examine the must know details about the new array method includes() and the exponentiation operator.

The history how JavaScript from a complementary language in 1995 became the most popular language these days.

ES6 improves the way arrays are created in JavaScript. See how the combination of array literal, spread operator and iterators upgrade array initialization.

JavaScript allows to declare functions in 6 ways. The article describes how to choose the right declaration type, depending on the function purpose.

Spread operator and rest parameter are great additions. The article explains how they improve array literals, array destructuring and function arguments handling.

Arrow functions in JavaScript are great, but there are cases when you should avoid them. See the common pitfalls with explanations and examples.

The JavaScript variables hoisting described in details and easy to follow examples. See how hoisting works in var, const, let, function and class.

The value of this keyword in JavaScript is determined by how the function is called. My guide will help you effortlessly understand this.

The `constructor` property is a piece of the inheritance mechanism in JavaScript. Precautions should be taken when creating hierarchies of classes.

Explanation and example on how to catch the XMLHttpRequest start and finish events in plain JavaScript. Useful for Chrome extensions development.