npm · npm:is-nan

is-nan active

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

The latest stable version of is-nan is 1.3.2, published on 2020-12-24. Verified by Vigia on 2026-11-12.

Latest stable version	1.3.2
Published	2020-12-24 05:43:43 UTC
Install	`npm install is-nan@latest`
Requires (engines)	`{"node":">= 0.4"}`
Peer dependencies	—
Dist-tags	`latest: 1.3.2`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 14:02:02 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	dormant
Last stable release	2020-12-24 05:43:43 UTC · 2150 days ago
Stable releases in the last 12 months	0
Published versions	8

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

Version history

Version	Published
`1.3.2`	2020-12-24 05:43:43 UTC
`1.3.1`	2020-12-24 05:39:35 UTC
`1.3.0`	2019-12-15 17:52:56 UTC
`1.2.1`	2015-08-16 19:28:43 UTC
`1.2.0`	2015-08-16 09:46:15 UTC
`1.1.0`	2015-06-25 05:02:13 UTC
`1.0.1`	2014-07-05 18:17:10 UTC
`0.0.0`	2014-01-20 08:12:31 UTC

Showing the 8 most recent of 8 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`	`1.3.2`
`node 18`	`1.3.2`
`node 20`	`1.3.2`
`node 22`	`1.3.2`
`node 24`	`1.3.2`

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Frequently asked questions

What is the latest version of is-nan?

The latest stable version of is-nan is 1.3.2, published on 2020-12-24. Verified by Vigia on 2026-11-12.

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

Run npm install is-nan@latest. The latest stable version is 1.3.2 (verified 2026-11-12).

Is is-nan deprecated?

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

Which Node.js version does is-nan require?

is-nan 1.3.2 declares this requirement: {"node":">= 0.4"}.

Does is-nan 1.3.2 have known vulnerabilities?

No known advisories affect is-nan 1.3.2 according to the data Vigia checks.

Is is-nan still maintained?

is-nan published 0 stable releases in the last 12 months; the most recent was 2150 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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