chai plugin to match objects and arrays deep equality with arrays (including nested ones) being in any order

What is the type of this builtin JS value?

Does a shallow comparison of two objects, returning false if the keys or values differ.

Underlying schema language parsed from arktype syntax.

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Robustly get the length of a Typed Array

Pure node.js library for comparing PNG-images, taking into account human color perception.

Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Are these two values conceptually equal?

Blazing-fast equality checks, minus the baggage. A lean, standalone alternative to Lodash's isEqual—because speed matters.

TypeScript definitions for deep-equal

Utility to compare two wallet addresses

Typescript-compatible minimalistic shallow equality check for arrays/objects

Deep values comparator for JS

Test for shallow equality between two objects or arrays.

Deep comparison of 2 instances for should.js

Compare, format, diff and serialize any JavaScript value

If available, the `Object.prototype.__proto__` accessor and mutator, call-bound

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`Object.defineProperty`, but not IE 8's broken one.