Adapted from JavaScript identifier validator by Mathias Bynens and repackaged as an npm module.

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. Not ...

Single-purpose node module that determines whether a string is a valid javascript variable. This implementation has been optimized for performance. The primary function is ES6 compatible; ES5 variable ...

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 ...

As with almost every programming language, JavaScript treats various types of values differently. A string like “Hello world” is very different from a number like 42. But what types are available, and ...