String validation and sanitization

Syntax highlighting with language autodetection.

Markdown-it - modern pluggable markdown parser.

A beautiful, responsive, customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes, supported fork of sweetalert

Lightweight debugging utility for Node.js and the browser

Tiny millisecond conversion utility

Streams3, a user-land copy of the stream library from Node.js

The string_decoder module from Node core

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

Browser-friendly inheritance fully compatible with standard node.js inherits()

Node.js Buffer API, for the browser

Runtime for Regenerator-compiled generator and async functions.

Encode & decode XML and HTML entities with ease & speed

Determine if the JS environment has Symbol support. Supports spec, or shams.

Standard library

Get and robustly cache all JS language-level intrinsics at first require time

ECMAScript spec abstract operations.

Object.prototype.hasOwnProperty.call shortcut

Implementation of Function.prototype.bind

Utilities for working with htmlparser2's dom

render domhandler DOM nodes to a string

Node.js's util module for all engines

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

all the types of nodes in htmlparser2's dom

Robustly `.call.bind()` a function

Base64 encoding/decoding in pure JS

Handler for htmlparser2 that turns pages into a dom

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

Full featured Promises/A+ implementation with exceptionally good performance

Fast & forgiving HTML/XML parser

An XML builder for node.js

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

zlib port to javascript - fast, modularized, with browser support

Runtime type checking for React props and similar objects.

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.

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

Cooperative scheduler for the browser environment.

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

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

React package for working with the DOM.

Simple XML to JavaScript object converter.

ES2015-compliant shim for Object.is - differentiates between -0 and +0

the path module from node core for browsers

Immutable Data Collections

The assert module from Node.js, for the browser.

A react component toolset for managing animations

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment

timers module for browserify

a few common utility template tags for ES2015

Determine if a function is a native generator function.

Node's querystring module for all engines. (ES3 compat fork)

A Query Language and Runtime which can target any service.

A lightweight library that provides tools for organizing asynchronous code

Manage session history with JavaScript

URL utilities for markdown-it

elegant & feature rich browser / node HTTP with a fluent API

Check if something is a promise

Links recognition library with FULL unicode support

A polyfill for the Resize Observer API

A utility-first CSS framework for rapidly building custom user interfaces.

Decode JWT tokens, mostly useful for browser applications.

Micro subset of unicode data files for markdown-it projects.

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

foreach component + npm package

internal utils shared across @vue packages

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

A fully-featured caching GraphQL client.

A core runtime for building GraphQL-driven applications.

Build forms in React, without the tears

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

React components that implement Google's Material Design.

Datadog browser core utilities.

Bootstrap 5 components built with React

Functional programming in TypeScript

Beautiful and accessible drag and drop for lists with React

Datadog browser RUM core utilities.

Fast, small color manipulation and conversion for JavaScript

A fully-featured and blazing-fast JavaScript API client to interact with Algolia API.

Parse JSON safely without throwing

A React utility belt for function components and higher-order components

Common utilities and types for Chakra UI

Saga middleware for Redux to handle Side Effects

Detect device type and render your component according to it

Telephone number input React component

React Native for Web

FantasyLand compliant (monadic) alternative to Promises

User-Agent string parser (js implementation)