npm · npm:is-firefox

is-firefox active

Check if browser is Firefox

The latest stable version of is-firefox is 1.0.3, published on 2015-05-26. Verified by Vigia on 2026-11-12.

Latest stable version	1.0.3
Published	2015-05-26 17:13:32 UTC
Install	`npm install is-firefox@latest`
Requires (engines)	`{"node":">=0.10.0"}`
Peer dependencies	—
Dist-tags	`latest: 1.0.3`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:45:36 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	dormant
Last stable release	2015-05-26 17:13:32 UTC · 4188 days ago
Stable releases in the last 12 months	0
Published versions	5

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

Version history

Version	Published
`1.0.3`	2015-05-26 17:13:32 UTC
`1.0.2`	2015-05-25 19:21:14 UTC
`1.0.1`	2015-05-25 18:46:48 UTC
`1.0.0`	2015-05-25 18:30:53 UTC
`0.0.0`	2015-05-25 18:16:46 UTC

Showing the 5 most recent of 5 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`	`1.0.3`
`node 18`	`1.0.3`
`node 20`	`1.0.3`
`node 22`	`1.0.3`
`node 24`	`1.0.3`

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Frequently asked questions

What is the latest version of is-firefox?

The latest stable version of is-firefox is 1.0.3, published on 2015-05-26. Verified by Vigia on 2026-11-12.

How do I install the latest version of is-firefox?

Run npm install is-firefox@latest. The latest stable version is 1.0.3 (verified 2026-11-12).

Is is-firefox deprecated?

No. is-firefox is not marked as deprecated in the registry.

Which Node.js version does is-firefox require?

is-firefox 1.0.3 declares this requirement: {"node":">=0.10.0"}.

Does is-firefox 1.0.3 have known vulnerabilities?

No known advisories affect is-firefox 1.0.3 according to the data Vigia checks.

Is is-firefox still maintained?

is-firefox published 0 stable releases in the last 12 months; the most recent was 4188 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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