npm · npm:has-proto

has-proto active

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

The latest stable version of has-proto is 1.2.0, published on 2024-12-06. Verified by Vigia on 2026-11-12.

Latest stable version	1.2.0
Published	2024-12-06 18:14:37 UTC
Install	`npm install has-proto@latest`
Requires (engines)	`{"node":">= 0.4"}`
Peer dependencies	—
Dist-tags	`latest: 1.2.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:29:57 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2024-12-06 18:14:37 UTC · 706 days ago
Stable releases in the last 12 months	0
Published versions	6

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`1.2.0`	2024-12-06 18:14:37 UTC
`1.1.0`	2024-12-01 17:01:33 UTC
`1.0.3`	2024-02-19 20:39:53 UTC
`1.0.2`	2024-02-19 20:29:33 UTC
`1.0.1`	2022-12-21 19:59:34 UTC
`1.0.0`	2022-12-13 05:52:33 UTC

Showing the 6 most recent of 6 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Runtime	Newest compatible version
`node 16`	`1.2.0`
`node 18`	`1.2.0`
`node 20`	`1.2.0`
`node 22`	`1.2.0`
`node 24`	`1.2.0`

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Frequently asked questions

What is the latest version of has-proto?

The latest stable version of has-proto is 1.2.0, published on 2024-12-06. Verified by Vigia on 2026-11-12.

How do I install the latest version of has-proto?

Run npm install has-proto@latest. The latest stable version is 1.2.0 (verified 2026-11-12).

Is has-proto deprecated?

No. has-proto is not marked as deprecated in the registry.

Which Node.js version does has-proto require?

has-proto 1.2.0 declares this requirement: {"node":">= 0.4"}.

Does has-proto 1.2.0 have known vulnerabilities?

No known advisories affect has-proto 1.2.0 according to the data Vigia checks.

Is has-proto still maintained?

has-proto published 0 stable releases in the last 12 months; the most recent was 706 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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