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Package

jsep

a tiny JavaScript expression parser

v1.4.0, 5 Nov 2024MITESM + CommonJSTypes: Bundled
$ npm install jsep
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Key numbers

As of 25 Sept 2026
Weekly downloads
9.2m
+76% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
1 year ago
v1.4.0
GitHub stars
-
Open issues / PRs
- / -
Contributors
-
Commits, last 52 weeks
-

Downloads

Last week 2026-09-15 to 2026-09-21
05m10m15mSept 2025Mar 2026Sept 2026High 13.2m (25 Aug 2026)Low 3m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

9,203,149 downloads last week, 46,037,078 in the last month. The 12-month change of +76% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
030 in total
Latest version
1.4.0, 5 Nov 20241 year ago
First published
7 Dec 2013
Last push to GitHub
-
Repository archived
-
Open issues
-
Open pull requests
-
Commits, last 52 weeks
-
Dependents on npm
305

Major versions

  1. v1 first release 1.0.0, 22 Aug 2021
  2. v0 first release 0.2.1, 7 Dec 2013

Recent releases

VersionPublished
1.4.05 Nov 2024
1.3.912 Jul 2024
1.3.86 Dec 2022
1.3.718 Sept 2022
1.3.627 Apr 2022
1.3.422 Mar 2022
1.3.028 Feb 2022
1.2.031 Oct 2021
1.1.217 Oct 2021
1.1.113 Oct 2021
1.1.03 Oct 2021
1.0.32 Sept 2021
1.0.227 Aug 2021
1.0.124 Aug 2021

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>= 10.16.0
Runtimes
-
Unpacked size (npm)
383 kB
Dependencies (0)
None

Install

npm install jsep

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/jsep@1.4.0/
  • unpkghttps://unpkg.com/jsep@1.4.0/
  • esm.shhttps://esm.sh/jsep@1.4.0
Sources: npm registry, npm downloads API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): GitHub data not fetched yet; no category.