Which kind of boxed JS primitive is this?

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

Robustly get the byte length of a Typed Array

Get the byteLength out of a DataView, robustly.

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

Get the ArrayBuffer out of a TypedArray, robustly.

Robustly get the length of a Typed Array

Robustly get the byte offset of a Typed Array

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.

Get the byteOffset out of a DataView, robustly.

What is the type of this builtin JS value?

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.

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

Is this value a JS ArrayBuffer?

mocha unit testing plugin for vue-cli

A supervisor program for running nodejs programs

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

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

Inspect the intermediate state of Vite plugins

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.