All you have to do is visit Paste HTML, enter some code, publish it, and look at what you made. Paste HTML supports HTML, CSS, and JavaScript. You can even use Markdown if you want.

Copy, paste, learn: lessons from code programmers for the AI-enhanced classroom Copying and pasting can be a powerful learning tool, whether it involves mindless copying or mindful reuse.

Visual Studio Code 1.96, the latest version of Microsoft’s popular code editor, has arrived with an overtype mode and a “paste with imports” feature for JavaScript and TypeScript.