ECMAScript Shims

object-is Public
ES6-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.

es-shims/object-is’s past year of commit activity

JavaScript
25
MIT
7 1 0
Updated Mar 18, 2026
es-shims/object-keys’s past year of commit activity

JavaScript
6
MIT
18 0 0
Updated Mar 18, 2026
es-shims/get-own-property-symbols’s past year of commit activity

JavaScript
23
MIT
9 3 1
Updated Mar 17, 2026
TypedArray.prototype.at Public
An ES5 spec-compliant `TypedArray.prototype.at` shim/polyfill/replacement that works as far down as ES3

es-shims/TypedArray.prototype.at’s past year of commit activity

JavaScript
1
MIT 0
1 0
Updated Mar 16, 2026
Math.atanh Public
An ES-spec-compliant Math.atanh shim/polyfill/replacement that works as far down as ES3

es-shims/Math.atanh’s past year of commit activity

JavaScript
3
MIT
2 1 0
Updated Mar 16, 2026
parseInt Public
An ES-spec-compliant `parseInt` shim/polyfill/replacement that works as far down as ES3

es-shims/parseInt’s past year of commit activity

JavaScript
3
MIT
2 1 0
Updated Mar 16, 2026
Set.prototype.intersection Public
An ESnext spec-compliant `Set.prototype.intersection` shim/polyfill/replacement that works as far down as ES3

es-shims/Set.prototype.intersection’s past year of commit activity

JavaScript
7
MIT
1 1 0
Updated Mar 16, 2026
es-shims/String.prototype.padEnd’s past year of commit activity

JavaScript
10
MIT
4 1 0
Updated Mar 16, 2026
es-shims/WeakMap.prototype.getOrInsert’s past year of commit activity

JavaScript 0 MIT 0
1 0
Updated Mar 16, 2026
iterator-helpers Public
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

es-shims/iterator-helpers’s past year of commit activity

JavaScript
20
MIT
2 1 0
Updated Mar 12, 2026