Does this JS environment support the `name` property on functions?
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
string representations of objects in node and the browser
Get libuv errno description from code
Object value retrieval given a string path
Is this specifier a node.js core module?
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Is this value negative zero? === will lie to you
Determine if a value is an ES6 Symbol or not.
DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It's written in JavaScript and works in all modern browsers (Safari, Opera (15+), Internet Explorer (10+), Firefox and Chrome - as well as almost anything else usin
ES Math-related intrinsics and helpers, robustly cached.
A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications.
Some TypeScript project templates from Tyler Liu to quickly create new projects.
Generate a NodeOS `/boot` filesystem disk image
Simple and complete React DOM testing utilities that encourage good testing practices.
Determine if a function is a native generator function.
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
A light-weight module that brings Fetch API to node.js
Web framework built on Web Standards
RPC error class and error codes for JSON RPC APIs
webpack Validation Utils
Robustly `.call.bind()` a function