Most browser automation runs from the outside. Playwright, Puppeteer, Selenium, and browser-use all drive a browser from an external process. They read the page through screenshots or the Chrome ...

Cheng Lou, a Midjourney engineer and former React core team member, recently released Pretext, a 15KB open-source TypeScript library that measures and lays out text without touching the DOM. This ...

Think it's OK to serve up 30KB over 3G just to manipulate a couple of DOM elements? Of course you don't because that's an asshat move and you're no asshat. You'll ...

When an AI agent visits a website, it’s essentially a tourist who doesn’t speak the local language. Whether built on LangChain, Claude Code, or the increasingly popular OpenClaw framework, the agent ...

The Signals pattern was first introduced in JavaScript’s Knockout framework. The basic idea is that a value alerts the rest of the application when it changes. Instead of a component checking its data ...

A critical remote code execution vulnerability in React.js has been identified. React.js is a JavaScript library for building fast, interactive user interfaces (UIs) using reusable components. The ...

A maximum severity vulnerability, dubbed 'React2Shell', in the React Server Components (RSC) 'Flight' protocol allows remote code execution without authentication in React and Next.js applications.

A critical security flaw has been discovered in React, one of the most widely used JavaScript libraries for building websites. The bug enables external attackers to run privileged, arbitrary code on ...

Is WebAssembly (Wasm) really ready for production usage in Web applications, even though that usage requires integration with a Web page and the APIs used to manipulate it, such as the DOM?

JavaScript is a sprawling and ever-changing behemoth, and may be the single-most connective piece of web technology. From AI to functional programming, from the client to the server, here are nine ...

React conquered XSS? Think again. That's the reality facing JavaScript developers in 2025, where attackers have quietly evolved their injection techniques to exploit everything from prototype ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday placed a now-patched security flaw impacting the popular jQuery JavaScript library to its Known Exploited Vulnerabilities ...