Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.

Tiny deep equal comparator

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

Improved deep equality testing for Node.js and the browser.

Compare DNS record strings for equality

Sort an object's keys, including an optional key list

Check if two arrays are equal

Checks whether a value is an object

ByteStream is a library making possible to manipulates single bytes and bits on pure JavaScript

Typescript-compatible minimalistic shallow equality check for arrays/objects

General purpose glob-based configuration matching.

Are these two values conceptually equal?

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

A deterministic object hashing algorithm for Node.js.

Shallow equal check object.

Which kind of boxed JS primitive is this?

Deep values comparator for JS

Is this an arguments object? It's a harder question than you think.

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

Compare, format, diff and serialize any JavaScript value