JavaScript proposals

Sohu Tech Products

Sep 28, 2022 · Fundamentals

New ECMAScript 2023 Array Proposals: Non‑Destructive Methods, Grouping, Find‑From‑Last, and fromAsync

The article explains the upcoming ECMAScript 2023 proposals—including non‑destructive array methods (toReversed, toSorted, toSpliced, with), array grouping (group, groupToMap), reverse‑search methods (findLast, findLastIndex), and the asynchronous constructor Array.fromAsync—detailing their stages, usage examples, polyfills, and type signatures for modern JavaScript development.

Array MethodsECMAScriptGrouping

0 likes · 14 min read

New ECMAScript 2023 Array Proposals: Non‑Destructive Methods, Grouping, Find‑From‑Last, and fromAsync

Taobao Frontend Technology

Aug 23, 2022 · Fundamentals

What’s New in ECMAScript 2023? Inside the Latest TC39 Proposals and Stage Advancements

The recent TC39 meeting promoted several proposals—including Hashbang Grammar, Duplicate Named Capturing Groups, Import Reflection, Symbol Predicates, Policy Maps and Sets, Function Memoization, and Object.pick/omit—through various stage thresholds, outlining the requirements for each advancement and providing example code for the new language features.

ECMAScriptFunction memoizationHashbang

0 likes · 15 min read

What’s New in ECMAScript 2023? Inside the Latest TC39 Proposals and Stage Advancements

Taobao Frontend Technology

Jul 16, 2021 · Frontend Development

What ECMAScript Proposals Will Shape JavaScript’s Future?

This article surveys the most interesting ECMAScript proposals—ranging from new data structures like Record & Tuple to syntax enhancements such as the pipeline operator—explaining their purpose, current stage, and practical examples, while also covering the TC39 process and related background for front‑end developers.

ECMAScriptFrontendJavaScript

0 likes · 21 min read

What ECMAScript Proposals Will Shape JavaScript’s Future?