✌️🌕 Some Cross-Browser DevTools Features You Might Not Know

Explore the awesome and incredibly useful DevTools features that are supported in Chromium, Firefox, and Safari alike.

Pankaj Parashar

CHALLENGE ❓

let sum = 0;
for (let i = 0; i < 3; i++, sum++) { sum *= i }

console.log(sum);

✌️ A Proposal to Add Signals to JavaScript

A (very) early stage proposal for bringing a new feature to ECMAScript/JavaScript: signals! The proposal brings aboard ideas from a swathe of popular frameworks and aims to align everyone and get us on the same page when it comes to working with state and making updates based upon changes to state. Rob writes more about the proposal here.

ROB EISENBERG AND DANIEL EHRENBERG

CHALLENGE ❓

let x = 5;
let y = (x = 10) + 3;

console.log(x, y);

👀 Cally: Small, Feature-Rich Calendar Components

A collection of open-source calendar components for selecting single dates or date ranges. Framework-agnostic, themeable, localizable, and accessible (it even has an accessibility statement showing its commitment to this area).

NICK WILLIAMS

❓ CHALLENGE

console.log(3 > 2 > 1);

🍊 What Even Is a JSON Number?

Despite the presence of standards around JSON, the answer is more complicated than you’d think, particularly when it comes to interfacing with other ecosystems and languages that aren’t JavaScript.

BRIAN TERLSON

❓ CHALLENGE

console.log('1' - - '1');

🟠 svelte-zoomable-circles: Svelte Component for Browsing Hierarchical Data

A Svelte component for displaying and browsing hierarchical data using zoomable circles. Live demo.

TYLER BERBERT

❓ CHALLENGE

console.log(typeof NaN === 'number');

🌟 Bun 1.1 Released with Windows Support

With the codename Bundows, the popular alternative JS runtime can now run directly on Windows 10+ (plus WSL, macOS and Linux, etc). This is a key step in Bun's broader adoption vs Node, and even features like Bun Shell work on Windows. Node compatibility continues to improve too with support for node:http2 and IPC support between Bun and Node processes.

THE BUN TEAM

❓ CHALLENGE

console.log(3 === 3 === 3);

🤟 Janeway: A Node Console REPL with Object Inspection

Has some neat features including being able to look into buffers with a built-in hex viewer.

ELEVEN WAYS