ljharb

date

ES spec-compliant `Date` shim/polyfill/replacement that works as far down as ES3

jsonify

JSON without touching any globals

big-integer-max

Given two valid integers in string form, return the larger of the two.

for-each

A better forEach

concat-map

concatenative mapdashery

array.of

A robust & optimized `Array.of` polyfill, based on the ECMAScript 6 specification.

string.prototype.at

An ES-spec-compliant (proposed) String.prototype.at shim/polyfill/replacement that works as far down as ES3

structured-clone

Implements the structured clone algorithm. Clone JSON types, RegExp, Buffers, and Dates, returning a cloned object or a buffer that can be deserialized into a structured clone.

typedarray

TypedArray polyfill for old browsers

number.isnan

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

buffer-equal

return whether two buffers are equal