Array.prototype.some spec-compliant polyfill
updated at Dec. 11, 2021, 7:31 a.m.
ES2019 spec-compliant shim for String.prototype.trimRight.
updated at Dec. 13, 2021, 6:55 p.m.
ES2019 spec-compliant shim for String.prototype.trimLeft.
updated at Dec. 15, 2021, 5:18 p.m.
ES5 spec-compliant shim for String.prototype.trim
updated at Dec. 16, 2021, 12:36 a.m.
ES6-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.
updated at Aug. 26, 2022, 2:05 a.m.
ES2017 spec-compliant shim for Object.values
updated at July 24, 2023, 8:44 a.m.
Array.prototype.every spec-compliant polyfill
updated at July 30, 2023, 7:44 p.m.
An ESnext spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
updated at Sept. 7, 2023, 5:34 p.m.
ES2017 spec-compliant shim for Object.entries
updated at Feb. 7, 2024, 12:11 p.m.
Official ES spec-compliant polyfill for Object.fromEntries
updated at May 11, 2024, 6:05 a.m.
Array.prototype.includes spec-compliant polyfill
updated at Sept. 12, 2024, 10:32 p.m.
ECMAScript spec-compliant polyfill/shim for `globalThis`.
updated at Sept. 27, 2024, 6:35 a.m.
Spec-compliant polyfill for String.prototype.replaceAll ESnext proposal.
updated at Oct. 4, 2024, 10:28 a.m.