Are these two JavaScript values equal?

Deep comparison of 2 instances for should.js

A JavaScript text diff implementation.

Are these two values conceptually equal?

Deep values comparator for JS

Compare, format, diff and serialize any JavaScript value

Test for shallow equality between two objects or arrays.

Underlying schema language parsed from arktype syntax.

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

`Iterator.prototype`, or a shared object to use.

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

Determine whether two geometries of the same type have identical X,Y coordinate values

Adaptation of react-addons-shallow-compare, for independent usage

Lowercase the keys of an object

What is the type of this builtin JS value?

Determine two file paths are equal

A robust, ES3 compatible, "has own property" predicate.

Like `Object.keys()` but also includes symbols

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

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.