Ross ROSS = Recommend OSS · open-source software intelligence for agents

inexorabletash/polyfill

JavaScript Polyfills, Shims and More observed · 2026-08-28

github.com/inexorabletash/polyfill · JavaScript · NOASSERTION (other) · archived observed · 2026-08-28

Health v2 · maintenance only

10/100

  • Activity 0
  • Release rhythm 8
  • Longevity 100

Flags: archived no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 4865
  • days_rel: n/a
  • days_push: 1846
  • n_releases_24m: 0

Full methodology

Adoption not part of the score

1352 stars · 350 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A collection of JavaScript polyfills and shims covering ECMAScript standards and web browser APIs, organized into files matching web specifications. It lets developers write future-looking code using modern platform APIs while filling gaps in older browsers.

Use cases

  • add es6 features to older browsers
  • polyfill fetch and xhr in legacy browsers
  • support new dom apis in internet explorer
  • write future-looking javascript with fallbacks
  • shim missing web platform apis
  • bundle browser compatibility polyfills into one script

When to choose

  • you need lightweight per-spec polyfill files you can pick from
  • you want a single bundled script covering ES5 through ES2017 plus common web APIs
  • you accept approximate, not 100% spec-compliant, behavior

When to avoid

  • you need fully spec-compliant polyfill behavior
  • you target only modern evergreen browsers with no legacy support
  • you need a maintained Node.js module - this is browser script distribution only

Facets

library · maturity maintenance

ui-components developer-tools web-development frontend cross-platform browser polyfills shims ecmascript web-apis browser-compatibility es5 es6 dom javascript

1 source

Member repositories

RepositoryRoleHealth v2
inexorabletash/polyfillmain10

For agents

markdown · JSON · MCP: product_card(name="inexorabletash/polyfill")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem