✌️ JavaScript weekly #714

CHALLENGE ❓

const arr = [1, 2];
arr.length = 0;
console.log(arr[0]);

🤔 Cheaters are breaking the technical interview... how?

Fireship

CHALLENGE ❓

const obj = { a: 1 };
Object.seal(obj);
obj.b = 2;
console.log(obj.b);

➕ Math.js 14.0: An Extensive Math Library for Node and Browsers

Work with complex numbers, fractions, units, matrices, symbolic computation, etc. A long standing library now, but continuing to get frequent updates. GitHub repo.

Jos de Jong

CHALLENGE ❓

console.log(0.1 + 0.2 === 0.3);

💻 Deno v. Oracle: Cancelling the JavaScript Trademark

Did you know Oracle formally owns the ‘JavaScript’ trademark? There have been a few efforts to change this over the years (most recently via this open letter) but Oracle isn’t listening. The Deno team has now formally filed a petition to cancel the trademark which Deno claims is fradulent because Oracle used screenshots of Node.js, a project Oracle doesn’t even own, as evidence of the trademark’s use.

Deno

CHALLENGE ❓

const obj = {
  a: 1,
  b: function() {
    return this.a;
  }
};
const b = obj.b;
console.log(b());

✌️🤟 Math.js 14.0: An Extensive Math Library for Node and Browsers

Work with complex numbers, fractions, units, matrices, symbolic computation, etc. A long standing library now, but continuing to get frequent updates. GitHub repo.

Jos de Jong

CHALLENGE ❓

function* gen() {
  yield 1;
  yield 2;
  return 3;
}
const g = gen();
console.log([...g]);

👻 Sketchy Stanford study says 9.5% of programmers are "ghosts"...


Fireship

CHALLENGE ❓

const nums = [1, 2, 3];
const res = nums.reduce((acc, val) => acc + val, "");
console.log(typeof res);

👀 Skia Canvas 2.0: A Browserless Canvas Environment for Node

Based on Google’s Skia graphics engine and offers end results similar to Chrome’s own canvas system. It’s GPU accelerated and can render images, paths, fonts, shapes, and (almost) everything you’d expect. v2.0 adds support for WOFF/WOFF2 fonts, WEBP exporting, and more.

Christian Swinehart

CHALLENGE ❓

(async function() {
  return await 10;
})().then(console.log);