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 ...

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 ...

If you have a JavaScript (*.js) file containing code, it's not unusual for your code to reference code held in another JavaScript file. If you're using more recent versions of Visual Studio, you'll ...