“Worth It: Modern JS edition” is a small tool to analyze how much less JavaScript is downloaded in modern browsers as a result of it using the module/nomodule pattern. Worth It: Modern JS edition → 💡 The module/nomodule pattern is a technique to ship ES2015 modules to browsers that support, whilst also keeping older browsers …
Tag Archives: esnext
ESNext: Get localized language, currency, and region names with Intl.DisplayNames
An ECMAScript Internationalization API Feature that currently is in Stage-3 and that has already landed in V8 version 8.1 is Intl.DisplayNames. It’s a way to get localized display names for languages, scripts, regions and others. The idea is that you as a developer should not build your own list of localized strings for languages, regions, …
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ES-Everything: an ECMA Explainer
Matthew Gerstman explaining a lot of terms that evolve around JavaScript: ECMA, TC39, Babel, Polyfills, … So you Google how to make your app work in IE 10, or 11, or whatever. You’re quickly flooded with acronyms and terms you’ve never heard before ES5, ES6, ESNext, ES2020, TC39, ECMA. What’s a transpiler? People are debating …
ESNext: Replace all occurrences of a piece of text in a string with String.prototype.replaceAll
UPDATE June 2020: This feature has advanced to Stage-4 and will be part of the ES2021 Specification! 🎉 An ECMAScript Language feature that’s currently in Stage-3 is String.prototype.replaceAll, a handy way to replace all instances of a piece of text in a string. ~ The Problem If you ever needed to replace a piece of …
ESNext: Relatively format time with Intl.RelativeTimeFormat
A proposal to the ECMAScript Internationalization API Specification (ECMA-402) that just moved to Stage-4, is Intl.RelativeTimeFormat. It’s a way to format time in a relative manner – e.g. “10 minutes ago” or “in 3 quarters” – while also taking a language into account. const rtf_en = new Intl.RelativeTimeFormat('en'); console.log(rtf_en.format(-1, 'day')); // ~> 1 day ago …
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ESNext: Proposals to look forward to (Full Stack Europe)
I’m currently in Antwerp for the first edition of Full Stack Europe, “The conference for the whole team”. Earlier this week I guided a workshop “React from Scratch”. After a small Lightning Talk yesterday on “JavaScript Yellow”, I today did a full talk named “ESNext: Proposals to look forward to” With the yearly ECMAScript releases …
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ESNext: Immutable Datastructures in JavaScript with Records & Tuples
A new ECMAScript Proposal that I’m looking forward to is this one which introduces the Record and Tuple value types. In short: Records are immutable Objects that are compared by value. Tuples are immutable Arrays that are compared by value. The proposal is currently Stage-1. Update 2020.07.22: the proposal has now advanced to Stage-2! As …
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ESNext: Proposals to look forward to (Fronteers Jam Session)
At last years’ edition of Fronteers Conference I gave a lightning talk on ESNext, covering the TC39 Process and highlighting three of my favorite proposals (some of which have hit Stage-3 by now!). Earlier this week they released the video of my (short) talk The lightning talk itself was a short version of a full …
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A Homepage for the JavaScript Specification
TC39 has shipped a homepage for following updates to the JavaScript specification: This is the first part of a two-part project aimed at improving our information distribution and documentation. The website provides links to our most significant documents, as well as a list of proposals that are near completion. Our goal is to help people …
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ESNext: Proposals to look forward to (Full Stack Ghent)
Yesterday I was invited as a speaker at the March 2019 Meetup by “Full Stack Ghent” (their first one!) at the Clarabridge CX Social offices. At the meetup I gave a reprise of the talk “ESNext: Proposals to look forward to”, which I had already done at a Full Stack Antwerp meetup, a few months …
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