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 ...

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.

Zig's shadowing rules (ie. "you can't") are excellent at avoiding bugs and aiding readability, with one exception: re-declaring variables. There are a few situations where you'd want to do this: ...

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.

There are 5 super simple methods to use variables in strings in python. Here, I have explained all five using images to make it even easier.

It's been a while since I worked on regexs in JavaScript, but generally the way you do this in most programming languages is to build the regex as a string and then pass it into the regex engine.