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.

The easiest and simplest way for a developer to accomplish an Ajax file upload is to use pure JavaScript and leave the bulky libraries and frameworks behind. Ajax file uploads A developer can perform ...

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 ...

How to open a JSON file in Windows 11/10 A JSON file is a file that keeps basic data configurations and objects in JavaScript Object Notation (JSON) format, which is a universal data interchange ...

What are JSON, XML, and YAML? Text-file formats that can be used to store structured data that can be handy for embedded and Web applications. Most developers will be familiar with XML (Extensible ...

JavaScript is widely used and well understood on servers and in web browsers to enable advanced functionality, but it hasn’t generally had middleware, until now.

ECMAScript 2025, the latest version of the ECMA International standard for JavaScript, has been officially approved. The specification standardizes new JavaScript capabilities including JSON ...