JavaScript

Blogs

Why Code Security Matters - Even in Hardened Environments | Sonar

Why Code Security Matters - Even in Hardened Environments | Sonar Infrastructure hardening makes applications more resilient to attacks. These measures raise the bar for attackers, making exploitation more difficult. However, they should not be seen as a silver bullet, as determined attackers can still leverage ...

Node.js, stdout, and disappearing bytes

Node.js, stdout, and disappearing bytes Someone in one of my online communities recently asked about why their Node command was dropping output when piped to another command: [command] spits out 2319 lines of valid json to stdout. If I redirect it into a file then I can open that file ...

Re-implementing JavaScript's == in JavaScript

Re-implementing JavaScript's == in JavaScript JavaScript’s “double equals” operator, ==, is typically discouraged. And for good reason: its behavior is tricky. Where === asks “are these the same thing?”, the double-equals operator asks a question that’s not straightforward. More specifically...

How we shrunk our Javascript monorepo git size by 94%

How we shrunk our Javascript monorepo git size by 94% This isn't click bait. We really did this! We work in a very large Javascript monorepo at Microsoft we colloquially call 1JS. It's large not only in terms of GB, but also in terms of sheer volume of code and contributions. We recently crossed the ...

Should JavaScript be split into two languages? New Google-driven proposal divides opinion • DEVCLASS

Should JavaScript be split into two languages? New Google-driven proposal divides opinion • DEVCLASS A Google engineer presented a proposal to the official standardization committee that would split JavaScript into two languages, a core to be implemented by runtime engines and a more capable variant which depends on tools that compile it down to ...

Angular’s Approach to Partial Hydration - The New Stack

Angular’s Approach to Partial Hydration - The New Stack Everybody talks about partial hydration and its siblings terms — islands, progressive hydration, donut hydration, selective hydration — but what does it mean? And do frameworks actually support partial hydration? Google Senior Software Engineer J...

React Compiler Beta Release – React

React Compiler Beta Release – React The React team is excited to share new updates: We’re publishing React Compiler Beta today, so that early adopters and library maintainers can try it and provide feedback. We’re officially supporting React Compiler for apps on React 17+, through ...

Introducing Express v5: A New Era for the Node.js Framework

Introducing Express v5: A New Era for the Node.js Framework Announcing the release of Express version 5. We want to recognize the work of all our contributors, especially Doug Wilson, who spent the last ten years ensuring Express was the most stable project around. Without his contributions and those of ma...

Javet 4.0.0 documentation

Javet 4.0.0 documentation Javet is Java + V8 (JAVa + V + EighT). It is an awesome way of embedding Node.js and V8 in Java. If you like my work, please Star this project. And, you may follow me @sjtucaocao, or visit https://blog.caoccao.com/ or https://caoccao.blogspot.com...

Why I’m skeptical of rewriting JavaScript tools in “faster” languages | Read the Tea Leaves

Why I’m skeptical of rewriting JavaScript tools in “faster” languages | Read the Tea Leaves I’ve written a lot of JavaScript. I like JavaScript. And more importantly, I’ve built up a set of skills in understanding, optimizing, and debugging JavaScript that I’m reluctant to give up on. So maybe it’s natural that I get a worried pit in my...