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The JavaScript Specification has a New License – Mozilla Hacks - the Web developer blog
Ecma International recently approved the 2022 standard of ECMAScript. There is something new in this edition that hasn’t been part of prior editions, but this isn’t a new programming feature. In March of this year, Ecma International accepted a proposal led by Mozilla for a new alternative license. On June 22nd, the first requests to adopt this license were granted to TC39 and applied to the follo
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Editorial: disambiguate `with` statement's status by ddbeck · Pull Request #2441 · tc39/ecma262
Currently, the spec sends mixed signals to programmers about the with statement; this PR attempts to clear up the ambiguity by adding text that explicitly discourages the use of the with statement in new ECMAScript code. This is an attempt to solve a specific problem: developers and technical writers are unclear about the status of the with statement. See this StackOverflow question or this discus
ECMAScript® 2025 Language Specification
Introduction1 Scope+2 Conformance2.1 Example Normative Optional Clause Heading2.2 Example Legacy Clause Heading2.3 Example Legacy Normative Optional Clause Heading3 Normative References+4 Overview4.1 Web Scripting4.2 Hosts and Implementations+4.3 ECMAScript Overview4.3.1 Objects4.3.2 The Strict Variant of ECMAScript+4.4 Terms and Definitions4.4.1 implementation-approximated4.4.2 implementation-def
Dates and Times in JavaScript
tl;dr: We are looking for feedback on the Temporal proposal. Try out the polyfill, and complete the survey; but don't use it in production yet! JavaScript Date is broken in ways that cannot be fixed without breaking the web. As the story goes, it was included in the original 10-day JavaScript engine hack and based on java.util.Date, which itself was deprecated in 1997 due to being a terrible API a
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Release ES2024 Candidate February 2024 · tc39/ecma262
Release ES2023 Candidate April 2023 · tc39/ecma262
GitHub - tc39/proposal-destructuring-private: A proposal integrate private fields and destructuring
Editorial: Remove 'designed to be subclassable' by ptomato · Pull Request #2360 · tc39/ecma262
ECMA-419 - Ecma International
ECMAScript Language Specification Comparator
Dates of feature freeze for each version of specification · Issue #7 · tc39/process-document
Release ES2021 Candidate March 2021 · tc39/ecma262
Editorial: add ES2021 intro text · tc39/ecma262@a53b61f
Normative: Add String.prototype.replaceAll by mathiasbynens · Pull Request #2009 · tc39/ecma262
Normative: specify for-in enumeration order in more cases by bakkot · Pull Request #1791 · tc39/ecma262
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