If you want to learn to create relatively simple online games using Javascript, then the HTML5 Game From Scratch Step By Step Learning JavaScript course is a great place to start.

This article takes you step by step through how to create a hosted Observable notebook, add your own JavaScript components, and then import code from public notebooks for reuse. Step 1: Create a ...

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.