While you can pick up the very basics of JavaScript in a day, becoming truly good at it takes much longer. Think of it like ...

The expected behavior in both the Node.js REPL and the browser console should be consistent with JavaScript's rules for variable declarations and assignments. What do you see instead?

JavaScript variables hold a wide variety of information and can be used with virtually any data type. Here's how to use variables to store numbers, text strings, objects, and more.

Developers use statements to control the overall program flow, including variable declarations, conditional operations, and iterative processes. Here's how to write JavaScript statements.

So I'm working with Cypress and I'm attempting to understand how to verify a URL via regex matching; but I want to use several character sets in the regex, and I want to add a variable as well ...

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 ...