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 ...

Global variables are divisive: an invaluable shortcut or a dangerous example of sloppy code? Let's talk about what they do, what they’re good for, and why you should be extra careful using them. A ...

Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

From variables to inheritances to what JavaScript patterns you really need to know, C# MVP Ben Hoelting offers his top tips for C# coders looking to use JavaScript to build complex client-side Web ...

From syntax and features every JavaScript developer needs to higher-level concepts you shouldn't miss, here are eight ways to make the most of JavaScript. JavaScript is an incredibly durable, ...