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ie11-custom-properties

Custom Properties polyfill for IE11.

v4.1.0, 29 Jun 2020MITCommonJSTypes: NonePolyfills and shims
$ npm install ie11-custom-properties

Key numbers

As of 25 Sept 2026
Weekly downloads
2.6k
-23% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
6 years ago
v4.1.0
GitHub stars
917
81 forks
Open issues / PRs
13 / 4
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
02k4k6kSept 2025Mar 2026Sept 2026High 5k (4 Nov 2025)Low 1.7k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

2,636 downloads last week, 12,287 in the last month. The 12-month change of -23% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
4.1.0, 29 Jun 20206 years ago
First published
-
Last push to GitHub
24 Nov 20231,035 days before the snapshot
Repository archived
No
Open issues
13
Open pull requests
4
Commits, last 52 weeks
0
Dependents on npm
10

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
67 kB
Dependencies (0)
None
npm install ie11-custom-properties

CDN

jsDelivr: 27.1m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/ie11-custom-properties@4.1.0/
  • unpkghttps://unpkg.com/ie11-custom-properties@4.1.0/
  • esm.shhttps://esm.sh/ie11-custom-properties@4.1.0
PackageWeekly downloadsGzipLast releaseModuleComparison
@oddbird/popover-polyfill154.7k-1 month agoESM + CommonJS-
@oddbird/css-anchor-positioning37.6k-1 month agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 2636 < 10000.