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Package

has-proto

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

v1.2.0, 6 Dec 2024MITCommonJSTypes: Bundled
$ npm install has-proto

Key numbers

As of 25 Sept 2026
Weekly downloads
63.6m
+68% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
1 year ago
v1.2.0
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
025m50m75m100mSept 2025Mar 2026Sept 2026High 85.9m (25 Aug 2026)Low 25.7m (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.

63,627,445 downloads last week, 310,898,020 in the last month. The 12-month change of +68% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
06 in total
Latest version
1.2.0, 6 Dec 20241 year ago
First published
13 Dec 2022
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
1,350

Major versions

  1. v1 first release 1.0.0, 13 Dec 2022

Recent releases

VersionPublished
1.2.06 Dec 2024
1.1.01 Dec 2024
1.0.319 Feb 2024
1.0.219 Feb 2024
1.0.121 Dec 2022
1.0.013 Dec 2022
Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>= 0.4
Runtimes
-
Unpacked size (npm)
14 kB
Dependencies (1)
dunder-proto
npm install has-proto

CDN

jsDelivr: 75.2k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/has-proto@1.2.0/
  • unpkghttps://unpkg.com/has-proto@1.2.0/
  • esm.shhttps://esm.sh/has-proto@1.2.0
Sources: npm registry, npm downloads API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.