Is this value an ES BigInt?
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
A collection of essential TypeScript types
Determine if a value is an ES6 Symbol or not.
Determine if a function is a native async function.
ES5 spec-compliant shim for String.prototype.trim
A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.
Pure random number generator written in TypeScript
`Object.defineProperty`, but not IE 8's broken one.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Terminal task list reborn! Create beautiful CLI interfaces via easy and logical to implement task lists that feel alive and interactive.
Fire events the same way the user does
Write files in an atomic fashion w/configurable ownership
A pure JS implementation SHA256.
HTTP status utility
Property based testing framework for JavaScript (like QuickCheck)
Syntax highlighting with language autodetection.
minimal implementation of a PassThrough stream
Protocol Buffers for JavaScript & TypeScript.
Is this an arguments object? It's a harder question than you think.
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
Accessibility engine for automated Web UI testing
Fast math typesetting for the web.
Data-Driven Documents