npm · npm:is-expression

is-expression active

Check if a string is a valid JavaScript expression

The latest stable version of is-expression is 4.0.0, published on 2020-05-19. Verified by Vigia on 2026-11-12.

Latest stable version	4.0.0
Published	2020-05-19 22:45:35 UTC
Install	`npm install is-expression@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 4.0.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 15:58:27 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2020-05-19 22:45:35 UTC · 2368 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
`4.0.0`	2020-05-19 22:45:35 UTC
`3.0.0`	2016-09-12 00:03:26 UTC
`2.1.0`	2016-07-26 18:43:55 UTC
`2.0.1`	2016-06-04 01:14:50 UTC
`2.0.0`	2016-02-13 01:21:16 UTC
`1.0.2`	2016-01-07 01:37:50 UTC
`1.0.1`	2015-11-12 16:57:36 UTC
`1.0.0`	2015-11-12 01:39:00 UTC

Showing the 8 most recent of 8 versions. JSON

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Frequently asked questions

What is the latest version of is-expression?

The latest stable version of is-expression is 4.0.0, published on 2020-05-19. Verified by Vigia on 2026-11-12.

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

Run npm install is-expression@latest. The latest stable version is 4.0.0 (verified 2026-11-12).

Is is-expression deprecated?

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

Which Node.js version does is-expression require?

is-expression 4.0.0 does not declare a Node.js version requirement.

Does is-expression 4.0.0 have known vulnerabilities?

No known advisories affect is-expression 4.0.0 according to the data Vigia checks.

Is is-expression still maintained?

is-expression published 0 stable releases in the last 12 months; the most recent was 2368 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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