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 ...

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 ...

18 March, 2014. It was a Tuesday. Every now and then I need to have a method support 2 or 3 arguments, providing a default value for one of them if only 2 are specified. My typical solution is to ...