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

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

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

The lodash method `_.isPlainObject` exported as a module.

Manipulate the HTTP Vary header

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

Generates and consumes source maps

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

Glob to regular expression with support for extended globs

Now stdin and stdout are files.

delegate methods and accessors to another property

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

Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates

Determine if the JS environment has BigInt support.

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

Error classes used in node_redis

High-priority task queue for Node.js and browsers

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

Determine if an object is a Stream

PostCSS for CSS-in-JS and styles in JS objects