Worth It: Modern JS edition

“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 […]

ESNext: Get localized language, currency, and region names with Intl.DisplayNames

An ECMAScript Language 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. Stage-3? 💁‍♂️ The TC39 Committee has a 5 stage process in place, ranging from stage-0 to stage-4, by which it develops […]

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

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. Stage-3? 💁‍♂️ To develop new ECMAScript language features, TC39 uses a 5 stage process, ranging from Stage-0 to Stage-4. Stage-3 is the Candidate Stage where the feature is considered complete […]

ESNext: Relatively format time with Intl.RelativeTimeFormat

An ECMAScript Language Feature that just moved to Stage-4, and thus will be part of ES2020, is Intl.RelativeTimeFormat. It’s a way to format time in a relative manner – such as “10 minutes ago” or “in 3 quarters” – while also keeping a language into account. Stage-4? 💁‍♂️ The TC39 Committee has a 5 stage […]

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 […]

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. Stage-1? Stage-4? 💁‍♂️ The TC39 Committee, which is concerned with […]

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 […]

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 […]

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 […]