Unlock JavaScript 2021: 5 Game-Changing Features You Must Master

This article explores five powerful JavaScript 2021 enhancements—including logical assignment operators, replaceAll, numeric separators, Promise.any, and WeakRef/Finalizers—explaining their syntax, behavior, and practical code examples to help developers write cleaner, more efficient code.

2021 featuresFinalizationRegistryJavaScript

0 likes · 8 min read

Unlock JavaScript 2021: 5 Game-Changing Features You Must Master

KooFE Frontend Team

Jan 25, 2021 · Frontend Development

Explore 5 Powerful ES2021 JavaScript Features You Should Start Using

This article introduces five new ES2021 JavaScript features—including replaceAll, Promise.any, logical assignment operators, numeric separators, and WeakRefs—explaining their behavior, usage examples, and browser support so developers can quickly adopt them.

JavaScriptPromise.anyes2021

0 likes · 7 min read

Explore 5 Powerful ES2021 JavaScript Features You Should Start Using

WeDoctor Frontend Technology

Aug 3, 2020 · Frontend Development

What New JavaScript Features Arrive in ES2021? A Complete Preview

This article previews the upcoming ES2021 JavaScript features that have reached Stage 4, including String.prototype.replaceAll, Promise.any, logical assignment operators, numeric separators, WeakRef, and new Intl APIs, providing code examples and notes on current browser support.

Promise.anyes2021frontend

0 likes · 8 min read

What New JavaScript Features Arrive in ES2021? A Complete Preview