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ES6 Defaults / Overrides Pattern

Combine default parameters and destructuring for a compact version of the defaults / overrides pattern.

function foo ({
    bar = 'no',
    baz = 'works!'
  } = {}) {

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Eric Elliott’s Essential JavaScript Links

A curated list by Eric Elliott and friends. Suggest links at the original in the comments section or in the website incarnation.

This fork includes screen-captures of the websites, self-descriptions (which appear within quotation marks) from those sites and some metadata like publication date and GitHub stars and forks. It also may lag behind the original as new links are added there. Commentary is almost entirely from Eric Elliott’s original gist: a few summary descriptions were added for sites that omit capsule descriptions.

Help us turn this into a proper website!

This is a very exclusive collection of only must-have JavaScript links. I'm only listing my favorite links. Nothing else makes the cut. Feel free to suggest links if you think they're good

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node_modules
build
npm-debug.log
.env
.DS_Store

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const toSlug = input => encodeURIComponent(
  input.split(' ')
    .map(str => str.toLowerCase())
    .join('-')
);

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const wait = time => new Promise((resolve) => setTimeout(resolve, time));

wait(3000).then(() => console.log('Hello!')); // 'Hello!'

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const filter = (fn, arr) => arr.reduce((newArr, item) => {
  return fn(item) ? newArr.concat([item]) : newArr;
}, []);