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Package

for-in

Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js

v1.0.2, 28 Feb 2017MITCommonJSTypes: None
$ npm install for-in

Key numbers

As of 25 Sept 2026
Weekly downloads
16.5m
+6% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
9 years ago
v1.0.2
GitHub stars
36
7 forks
Open issues / PRs
1 / 0
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
05m10m15m20mSept 2025Mar 2026Sept 2026High 19.9m (25 Nov 2025)Low 7.5m (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.

16,502,815 downloads last week, 67,249,554 in the last month. The 12-month change of +6% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
012 in total
Latest version
1.0.2, 28 Feb 20179 years ago
First published
20 Sept 2014
Last push to GitHub
28 Feb 20173,495 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
0
Dependents on npm
736

Major versions

  1. v1 first release 1.0.0, 27 Feb 2017
  2. v0 first release 0.1.0, 20 Sept 2014

Recent releases

VersionPublished
1.0.228 Feb 2017
0.1.827 Feb 2017
1.0.127 Feb 2017
1.0.027 Feb 2017
0.1.727 Feb 2017
0.1.614 Sept 2016
0.1.527 Mar 2016
0.1.424 Mar 2015
0.1.36 Oct 2014
0.1.220 Sept 2014
0.1.120 Sept 2014
0.1.020 Sept 2014
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
>=0.10.0
Runtimes
-
Unpacked size (npm)
-
Dependencies (0)
None
npm install for-in
  • jsDelivrhttps://cdn.jsdelivr.net/npm/for-in@1.0.2/
  • unpkghttps://unpkg.com/for-in@1.0.2/
  • esm.shhttps://esm.sh/for-in@1.0.2
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.