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intersection-observer-polyfill

A polyfill of IntersectionObserver API

v0.1.0, 5 Jul 2016MITCommonJSTypes: NonePolyfills and shims
$ npm install intersection-observer-polyfill
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
6.9k
-62% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
10 years ago
v0.1.0
GitHub stars
33
14 forks
Open issues / PRs
4 / 2
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
010k20k30k40kSept 2025Mar 2026Sept 2026High 36.9k (4 Nov 2025)Low 5.3k (1 Sept 2026)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

6,913 downloads last week, 37,096 in the last month. The 12-month change of -62% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
-
Latest version
0.1.0, 5 Jul 201610 years ago
First published
-
Last push to GitHub
14 Dec 20202,111 days before the snapshot
Repository archived
No
Open issues
4
Open pull requests
2
Commits, last 52 weeks
0
Dependents on npm
32

Major versions

-

Recent releases

-

Compatibility

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

Install

npm install intersection-observer-polyfill

CDN

jsDelivr: 634.9k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/intersection-observer-polyfill@0.1.0/
  • unpkghttps://unpkg.com/intersection-observer-polyfill@0.1.0/
  • esm.shhttps://esm.sh/intersection-observer-polyfill@0.1.0
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 6913 < 10000.