Package

es6-shim

ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines

v0.35.8, 23 Mar 2023MITCommonJSTypes: NonePolyfills and shims

$ npm install es6-shim

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 1.1m; -26% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 3 years ago; v0.35.8
GitHub stars: 3.1k; 372 forks
Open issues / PRs: 1 / 0
Contributors: -
Commits, last 52 weeks: 6

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

1,082,719 downloads last week, 4,526,757 in the last month. The 12-month change of -26% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 090 in total
Latest version: 0.35.8, 23 Mar 20233 years ago
First published: 25 Dec 2011
Last push to GitHub: 16 Apr 2026162 days before the snapshot
Repository archived: No
Open issues: 1
Open pull requests: 0
Commits, last 52 weeks: 6
Dependents on npm: 887

Major versions

v0 first release 0.1.0, 25 Dec 2011

Recent releases

Version	Published
0.35.8	23 Mar 2023
0.35.7	24 Dec 2022
0.35.6	15 Oct 2020
0.35.5	8 Mar 2019
0.35.4	30 Oct 2018
0.35.3	24 Jan 2017
0.35.2	4 Dec 2016
0.35.1	12 May 2016
0.35.0	1 Mar 2016
0.34.4	9 Feb 2016
0.34.3	9 Feb 2016
0.34.2	23 Jan 2016
0.34.1	5 Jan 2016
0.34.0	15 Dec 2015

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 2.4 MB
Dependencies (0): None

Install

npm install es6-shim

CDN

jsDelivr: 1.8m requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/es6-shim@0.35.8/
unpkghttps://unpkg.com/es6-shim@0.35.8/
esm.shhttps://esm.sh/es6-shim@0.35.8

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
es-set An ES-spec-compliant Set shim/polyfill/replacement that works as far down as ES3	264.6k	-	1 year ago	CommonJS	-
es-map An ES-spec-compliant Map shim/polyfill/replacement that works as far down as ES3	154.9k	-	1 year ago	CommonJS	-
set.prototype.difference An ESnext spec-compliant `Set.prototype.difference` shim/polyfill/replacement that works as far down as ES3	144.8k	-	1 year ago	CommonJS	-
set.prototype.intersection An ESnext spec-compliant `Set.prototype.intersection` shim/polyfill/replacement that works as far down as ES3	126k	-	8 months ago	CommonJS	-
set.prototype.union An ESnext spec-compliant `Set.prototype.union` shim/polyfill/replacement that works as far down as ES3	27.8k	-	2 years ago	CommonJS	-
set.prototype.isdisjointfrom An ESnext spec-compliant `Set.prototype.isDisjointFrom` shim/polyfill/replacement that works as far down as ES3	103.4k	-	2 years ago	CommonJS	-
set.prototype.issupersetof An ESnext spec-compliant `Set.prototype.isSupersetOf` shim/polyfill/replacement that works as far down as ES3	103.2k	-	2 years ago	CommonJS	-
weakmap-polyfill ECMAScript6 WeakMap polyfill	1m	-	5 years ago	CommonJS	-

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.