Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Overview: Strong fundamentals in data types, scope and closures boost interview performance.Understanding promises and event ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

Video Assistant Referee (VAR) was introduced to the Premier League at the start of the 2019-2020 season Football Association chief executive Mark Bullingham says there isn't "any need" to extend the ...