What is the output?
Anonymous Quiz
42%
3 3
17%
undefined undefined
19%
ReferenceError: a is not defined
22%
undefined 3
π18π€4
π Issue 38 / 22.09.2023
π¬ TypeScript Origins: The Documentary
You know youβve made it when you get your own documentary! This has just dropped but is well produced, packed with stories from TypeScriptβs co-creators, users, and other folks at Microsoft, and kept me entertained. It goes particularly deep into the motivations and process behind TypeScript's creation, including why Microsoft felt it was worth pursuing at all.
OFFERZEN ORIGINS
π JavaScript Minification Benchmarks
A frequently updated benchmark suite and results comparing the speed and quality of JavaScript minification across a variety of tools including esbuild, Babel, Bun, SWC, and Uglify.
HIROKI OSAME
π Deno 1.37: Modern JavaScript in Jupyter Notebooks
Not content to let Bun take all the headlines, Deno has come up with something pretty neat here. Deno 1.37 ships with a Jupyter Notebook integration so you can create interactive REPL sessions but using the JS you know and love, rather than Python.
THE DENO TEAM
Β©οΈJS WEEKLY
π¬ TypeScript Origins: The Documentary
You know youβve made it when you get your own documentary! This has just dropped but is well produced, packed with stories from TypeScriptβs co-creators, users, and other folks at Microsoft, and kept me entertained. It goes particularly deep into the motivations and process behind TypeScript's creation, including why Microsoft felt it was worth pursuing at all.
OFFERZEN ORIGINS
π JavaScript Minification Benchmarks
A frequently updated benchmark suite and results comparing the speed and quality of JavaScript minification across a variety of tools including esbuild, Babel, Bun, SWC, and Uglify.
HIROKI OSAME
π Deno 1.37: Modern JavaScript in Jupyter Notebooks
Not content to let Bun take all the headlines, Deno has come up with something pretty neat here. Deno 1.37 ships with a Jupyter Notebook integration so you can create interactive REPL sessions but using the JS you know and love, rather than Python.
THE DENO TEAM
Β©οΈJS WEEKLY
π₯6π4β€2
π€13β€9π7
β‘οΈ IN BRIEF:
- The Svelte team offers a sneak peek at the forthcoming Svelte 5 and introduces the idea of 'runes': "Like every other framework, we've come to the realisation that Knockout was right all along."
- π Happy 27th birthday to JScript! JScript was a version of JavaScript that Microsoft put into IE 3.0 primarily to avoid trademark issues around the name of JavaScript. No-one cares much about that anymore, despite Oracle still technically holding the JavaScript trademark.
- Folks are discussing whether Node.js needs a mascot of its own.
- βοΈ Want to support anyone doing great work on JavaScript projects? You can nominate them for a GitHub Star.
π RELEASES:
Remix v2 β Popular full stack web framework.
Bun 1.0.2 β Bugfixes, faster
Node.js v20.7 (Current) β Multiple
Next.js 13.5 β Faster, faster, faster.
- The Svelte team offers a sneak peek at the forthcoming Svelte 5 and introduces the idea of 'runes': "Like every other framework, we've come to the realisation that Knockout was right all along."
- π Happy 27th birthday to JScript! JScript was a version of JavaScript that Microsoft put into IE 3.0 primarily to avoid trademark issues around the name of JavaScript. No-one cares much about that anymore, despite Oracle still technically holding the JavaScript trademark.
- Folks are discussing whether Node.js needs a mascot of its own.
- βοΈ Want to support anyone doing great work on JavaScript projects? You can nominate them for a GitHub Star.
π RELEASES:
Remix v2 β Popular full stack web framework.
Bun 1.0.2 β Bugfixes, faster
bun --watch
, it now uses V8's Date
parser, and Fastify apps now work too.Node.js v20.7 (Current) β Multiple
--env-files
now supported.Next.js 13.5 β Faster, faster, faster.
π5π₯4β€2
π12β€7π€7π2
π€19π10π2β€1
π€20π8β€5π3π€£3
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Which statement prints "roar" to the console?
Anonymous Quiz
28%
bear.bind(roar);
30%
roar.bind(bear);
26%
roar.apply(bear);
16%
bear[roar]();
π€22π₯4β€2π2π€£2
πSpeeding up the JavaScript Ecosystem: Polyfills Gone Rogue?
Marvin has been on a mission to speed up popular libraries β first blogging about speeding up the JS ecosystem, one library at a time last year.
MARVIN HAGEMEISTER
π GitHub Actions Could Be So Much Better
GitHub Actions
provides a fantastic and useful service, but the developer experience leaves a lot to be desired, particularly when debugging them. If youβve been frustrated with figuring out Action and setting up your own workflows, youβll find a lot to nod along to here.WILLIAM WOODRUFF
Β©οΈNODE.JS WEEKLY
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β€3
Which statement correctly imports this code from `some-file.js`?
Anonymous Quiz
22%
import printMe from './some-file';
60%
import { printMe } from './some-file';
9%
import default as printMe from './some-file';
9%
const printMe = import './some-file';
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