Package
intersection-observer
A polyfill for IntersectionObserver
Deprecated on npm
The Intersection Observer polyfill is no longer needed and can safely be removed. Intersection Observer has been Baseline since 2019.Key numbers
As of 25 Sept 2026
- Weekly downloads
- 2.7m
- +50% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 4 years ago
- v0.12.2
- GitHub stars
- 81
- 14 forks
- Open issues / PRs
- 0 / 0
- Contributors
- -
- Commits, last 52 weeks
- 1
Downloads
Last week 2026-09-15 to 2026-09-21
2,698,259 downloads last week, 13,358,241 in the last month. The 12-month change of +50% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 024 in total
- Latest version
- 0.12.2, 14 Jun 20224 years ago
- First published
- 14 Jul 2016
- Last push to GitHub
- 22 Oct 2025338 days before the snapshot
- Repository archived
- Yes
- Open issues
- 0
- Open pull requests
- 0
- Commits, last 52 weeks
- 1
- Dependents on npm
- -
Major versions
- v0 first release 0.1.0, 14 Jul 2016
Recent releases
| Version | Published |
|---|---|
| 0.12.2 | 14 Jun 2022 |
| 0.12.1 | 14 Jun 2022 |
| 0.12.0 | 10 Dec 2020 |
| 0.11.0 | 23 Jun 2020 |
| 0.10.0 | 23 Apr 2020 |
| 0.9.0 | 17 Apr 2020 |
| 0.8.0 | 13 Apr 2020 |
| 0.7.0 | 10 May 2019 |
| 0.6.0 | 24 Apr 2019 |
| 0.5.1 | 22 Oct 2018 |
| 0.5.0 | 2 Dec 2017 |
| 0.4.3 | 10 Nov 2017 |
| 0.4.2 | 29 Aug 2017 |
| 0.4.1 | 28 Aug 2017 |
- Module format
- CommonJSFrom package.json type, main and exports fields
- TypeScript types
- None
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- 158 kB
- Dependencies (0)
- None
npm install intersection-observerCDN
jsDelivr: 115.7m requests in 30 days
- jsDelivr
https://cdn.jsdelivr.net/npm/intersection-observer@0.12.2/ - unpkg
https://unpkg.com/intersection-observer@0.12.2/ - esm.sh
https://esm.sh/intersection-observer@0.12.2
Indexability: Not indexed (discovery only): deprecated.