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 ...

As a language, JavaScript receives more than its fair share of criticism. Its default global variables, prototypical inheritance, and dynamic typing are often considered flaws that can lead to sloppy ...

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 ...

Here's what beginning and experienced developers need to know about working with JavaScript's array, for loop, forEach, map, reduce, substring, and switch. Research suggests there are seven JavaScript ...