npm · npm:json3

json3 active

A JSON polyfill for older JavaScript platforms.

The latest stable version of json3 is 3.3.3, published on 2019-05-27. Verified by Vigia on 2026-11-12.

Latest stable version	3.3.3
Published	2019-05-27 23:11:42 UTC
Install	`npm install json3@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 3.3.3`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:19:28 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	dormant
Last stable release	2019-05-27 23:11:42 UTC · 2725 days ago
Stable releases in the last 12 months	0
Published versions	11

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

Version history

Version	Published
`3.3.3`	2019-05-27 23:11:42 UTC
`3.3.2` withdrawn	2014-06-22 21:27:22 UTC
`3.3.1` withdrawn	2014-04-09 05:59:46 UTC
`3.3.0` withdrawn	2014-01-21 08:24:33 UTC
`3.2.6` withdrawn	2013-11-25 08:10:35 UTC
`3.2.5` withdrawn	2013-07-25 16:30:40 UTC
`3.2.4` withdrawn	2012-10-17 04:44:44 UTC
`3.2.2` withdrawn	2012-05-05 20:19:38 UTC
`3.2.1` withdrawn	2012-04-27 02:41:21 UTC
`3.2.0` withdrawn	2012-04-15 22:19:38 UTC
`3.1.0` withdrawn	2012-03-23 07:48:31 UTC

Showing the 11 most recent of 11 versions. JSON

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Frequently asked questions

What is the latest version of json3?

The latest stable version of json3 is 3.3.3, published on 2019-05-27. Verified by Vigia on 2026-11-12.

How do I install the latest version of json3?

Run npm install json3@latest. The latest stable version is 3.3.3 (verified 2026-11-12).

Is json3 deprecated?

No. json3 is not marked as deprecated in the registry.

Which Node.js version does json3 require?

json3 3.3.3 does not declare a Node.js version requirement.

Does json3 3.3.3 have known vulnerabilities?

No known advisories affect json3 3.3.3 according to the data Vigia checks.

Is json3 still maintained?

json3 published 0 stable releases in the last 12 months; the most recent was 2725 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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