InfoWorld

User-defined variables in JavaScript

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 ...
Ars Technica

JavaScript inserting a variable into a regex for dynamic compares

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 ...
I Programmer

JavaScript Data Structures - The String Object

The String is the most basic and most useful of the native JavaScript data structures. It can also be used as a starting point for, or be incorporated into, many other data structures. Let's see how ...
InfoWorld

Data visualization with Observable JavaScript

Learn how to make the most of Observable JavaScript and the Observable Plot library, including a step-by-step guide to eight basic data visualization tasks in Plot. Built-in reactivity is one of ...