Simple XML to JavaScript object converter.

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

Node.js Streams, 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

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

Implementation of Function.prototype.bind

Robustly `.call.bind()` a function

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

ECMAScript spec abstract operations.

Utilities for working with htmlparser2's dom

Base64 encoding/decoding in pure JS

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

render domhandler DOM nodes to a string

Handler for htmlparser2 that turns pages into a dom

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

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

all the types of nodes in htmlparser2's dom

Standard library

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.

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

Node.js's util module for all engines

Fast & forgiving HTML/XML parser

Full featured Promises/A+ implementation with exceptionally good performance

Object.prototype.hasOwnProperty.call shortcut

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

An XML builder for node.js

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

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

React package for working with the DOM.

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

Determine if a function is a native generator function.

Immutable Data Collections

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

the path module from node core for browsers

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

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

A react component toolset for managing animations

A Query Language and Runtime which can target any service.

a few common utility template tags for ES2015

A lightweight library that provides tools for organizing asynchronous code

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

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

timers module for browserify

URL utilities for markdown-it

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

Links recognition library with FULL unicode support

Manage session history with JavaScript

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

Decode JWT tokens, mostly useful for browser applications.

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

A polyfill for the Resize Observer API

internal utils shared across @vue packages

Check if something is a promise

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

A fully-featured caching GraphQL client.

A core runtime for building GraphQL-driven applications.

Build forms in React, without the tears

foreach component + npm package

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

Functional programming in TypeScript

Datadog browser core utilities.

Beautiful and accessible drag and drop for lists with React

Fast, small color manipulation and conversion for JavaScript

Datadog browser RUM core utilities.

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

Bootstrap 5 components built with React

React components that implement Google's Material Design.

Parse JSON safely without throwing

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

Detect device type and render your component according to it

Saga middleware for Redux to handle Side Effects

Common utilities and types for Chakra UI

Telephone number input React component

React Native for Web

FantasyLand compliant (monadic) alternative to Promises

User-Agent string parser (js implementation)