Returns an array of Typed Array names that are available in the current environment

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.

An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

ES spec-like internal slots

Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Is this value negative zero? === will lie to you

ES proposal-spec-compliant Object.fromEntries shim.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Determine if the JS environment has BigInt support.

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Robustly `.call.bind()` a function

Helper package to shim a method into `Array.prototype[Symbol.unscopables]`

ECMAScript spec-compliant polyfill/shim for `globalThis`

Determine if a value is an ES6 Symbol or not.

This library provides the functionality of PBKDF2 with the ability to use any supported hashing algorithm returned from crypto.getHashes()

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Unbox a boxed JS primitive value.