Learn how to use JavaScript’s fs library module to create, read, write, and stream common file types in the JavaScript runtimes Node, Deno, and Bun.

In this quick tutorial, I’ll show you how to upload a file from a web browser, with a Node.js file upload handler on the server-side, and a pure, Ajax based JavaScript process on the client side. Step ...

That also introduces a few extra lines of JavaScript code, but the payoffs — user friendliness, and no need to create any other HTML pages — are worth it. Developers should save the following code to ...