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#es5

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

18 records
Tagged “es5”Ranked by health index
npm
90Excellenthealth index
nevware21/ts-utils
Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code readability.
TypeScript★ 12↓ 6.2M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
npm
90Excellenthealth index
terser/terser
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
JavaScript★ 9,336↓ 301M/moSep 16, 2026
Custom licenseSep 16, 2026 · metrics 2.10.0
npm
90Excellenthealth index
zloirock/core-js
Standard Library
JavaScript★ 25.5K↓ 526M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
78Goodhealth index
ljharb/es-abstract
ECMAScript spec abstract operations.
JavaScript★ 125↓ 367M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
73Goodhealth index
ipregistry/ipregistry-javascript
Official Javascript Client for Ipregistry: a Non-Intrusive Solution for IP Geolocation and Threat Data.
TypeScript★ 17↓ 7,229/moSep 14, 2026
Apache-2.0Sep 14, 2026 · metrics 2.10.0
npm
63Moderatehealth index
ljharb/es-to-primitive
ECMAScript "ToPrimitive" algorithm. Provides ES5 and ES6/ES2015 versions.
JavaScript★ 21↓ 333M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
59Moderatehealth index
es-shims/String.prototype.trim
ES5 spec-compliant shim for String.prototype.trim
JavaScript★ 13↓ 320M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
53Moderatehealth index
bevry/domain-browser
Node's domain module for the web browser
JavaScript★ 32↓ 37M/moSep 15, 2026
Custom licenseSep 15, 2026 · metrics 2.10.0
npm
51Moderatehealth index
mathiasbynens/regexpu-core
regexpu’s core functionality, i.e. `rewritePattern(pattern, flag, options)`, which enables rewriting regular expressions that make use of the ES6 `u` flag into equivalent ES5-compatible regular expression patterns.
JavaScript★ 82↓ 183M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
48Weakhealth index
ljharb/object-keys
Object.keys shim
JavaScript★ 43↓ 385M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
47Weakhealth index
ljharb/define-properties
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
JavaScript★ 20↓ 382M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
45Weakhealth index
inspect-js/functions-have-names
Does this JS environment support the `name` property on functions?
JavaScript★ 9↓ 322M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
44Weakhealth index
es-shims/Reflect.getPrototypeOf
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible.
JavaScript★ 3↓ 291M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
42Weakhealth index
Raynos/function-bind
No repository description published.
JavaScript★ 139↓ 717M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
32At Riskhealth index
json5/json5
JSON5 — JSON for Humans
JavaScript★ 7,162↓ 868M/moSep 16, 2026
Custom licenseSep 16, 2026 · metrics 2.10.0
npm
30At Riskhealth index
mishoo/UglifyJS
JavaScript parser / mangler / compressor / beautifier toolkit
JavaScript★ 13.4K↓ 175M/moSep 16, 2026
Custom licenseSep 16, 2026 · metrics 2.10.0
npm
27At Riskhealth index
medikoo/es5-ext
ECMAScript extensions (with respect to upcoming ECMAScript features)
JavaScript★ 179↓ 49.1M/moSep 23, 2026
ISCSep 23, 2026 · metrics 2.10.0
npm
16Criticalhealth index
retrofox/is-array
es5 isArray
JavaScript★ 2↓ 586.1K/moSep 14, 2026
No licenseSep 14, 2026 · metrics 2.10.0