JSPM

https module compatability for browserify

Parse milliseconds into an object

Isomorphic implementation of WebSocket

timers module for browserify

JSON without touching any globals

the tty module from node core for browsers

Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.

vm module for the browser

node's constants module for the browser

Compare semver version strings to find greater, equal or lesser.

A polyfill for the Resize Observer API

Toggle current selected content in browser

Lazy assertions without performance penalty

Microsoft Azure SDK for JavaScript - Logger

btoa for Node.JS (it's a one-liner)

Converts a Web-API readable-stream into a Node.js readable-stream.

Promisify an event by waiting for it to be emitted

Copy stuff into clipboard using JS with fallbacks

An alias package for `crypto.randomBytes` in Node.js and/or browsers

Cypress is a next generation front end testing tool built for the modern web

resolve which handles browser field support in package.json

Isomorphic client library for supporting long-running operations in node.js and browser.

OpenTelemetry Collector Trace Exporter allows user to send collected traces to the OpenTelemetry Collector

OpenTelemetry Zipkin Exporter allows the user to send collected traces to Zipkin.

Apple's property list parser/builder for Node.js and browsers

Framework-agnostic, micro-library for getting stack traces in all environments

Get a KeyboardEvent.key-style string from an event

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Microsoft Azure Storage SDK for JavaScript - Blob

Cross-browser `CustomEvent` constructor

Check if a value is a natural number

Tiny and elegant HTTP client based on the Fetch API

(recursive)? merging of (cloned)? objects.

JavaScript SVG parser and renderer on Canvas.

Isomorphic WebSocket

Simple wrapper for cross-browser usage of the JavaScript Fullscreen API, which lets you bring the page or any element into fullscreen.

OpenTelemetry Collector Logs Exporter allows user to send collected logs to the OpenTelemetry Collector

LRU and FIFO caches for Client or Server

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

React's ExecutionEnvironment module extracted for use in other packages & components

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Serializes any DOM node into a String

Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

🔥 An extremely fast and efficient LRU cache for JavaScript with high compatibility (including Browsers) — 6.8KB.

A JavaScript library to zip and unzip files in the browser, Deno and Node.js

Topological sort of directed acyclic graphs (like dependecy lists)

Plugin for loglevel message prefixing

Dynamic script loading for browser

A tool to get browser's scrollbars width.

HKDF with no dependencies using runtime's native crypto

A package that contains an array of every single file extension there is for text files

browser-side require() the node way

A package that contains an array of every single file extension there is for binary files

DOMParser.parseFromString for XML with IE8 fallback

Tests if ES6 @@toStringTag is supported.

Check whether operating system CPU architecture is 64-bit or 32-bit (Supports browsers)

Tests if ES6 Symbol is supported.

Isomorphic client library for Azure KeyVault's keys.

Extends Chai with assertions about promises.

Adds console.table method that prints an array of objects as a table in console

A tiny (230B) and fast UUID (v4) generator for Node and the browser

Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch

Smallest/simplest possible means of using btoa with both Node and browserify

walk the dependency graph to generate json output that can be fed into browser-pack

Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.

Check in which environment the code is running - browser/node.js/webworker/jsdom/deno

sort module-deps output for deterministic browserify bundles

Detect default web browser of the current user, cross-platform (Win/Lin/Mac)

XMLHttpRequest emulation for node.js

Image structural similarity (SSIM). In TypeScript/JavaScript. For browser/server.

Array#filter for older browsers.

Simple JS stack with auto run for node and browsers

A generated SDK for WebSiteManagementClient.

Light-weight EventEmitter (less than 1KB when gzipped)

Unpack a browser type and version from the useragent string

Browser compatibility data provided by MDN Web Docs

pack node-style source files from a json stream into a browser bundle

Super light and fast Extensible ES6+ events and EventEmitters for Node and the browser. Easy for any developer level, use the same exact code in node and the browser. No frills, just high speed events!

Extends Chai with assertions for the Sinon.JS mocking framework.

Node standard library for browser.

Analyze and debug space usage through source maps

Flmngr file manager (Local disk / Amazon S3 / Azure Blob)

Detect device type and render your component according to it

A high-performance, lightweight LRU cache. Built for developers who need fast caching without compromising on features.

Get the paths of edge browser easily

Create a MD5 hash with hex encoding

A generated SDK for ResourceManagementClient.

A client for working with the BrowserStack APIs.

tap-producing test harness for node and browsers

Isomorphic client Runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest

Minimal JavaScript module loader

Cross Platform implementation of the GitLab API

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library

OpenTelemetry instrumentation for fetch http client in web browsers

Mouse wheel normalization across multiple multiple browsers.

Provides access to the system's web browser and supports handling redirects. On iOS, it uses SFSafariViewController or ASWebAuthenticationSession, depending on the method you call, and on Android it uses ChromeCustomTabs. As of iOS 11, SFSafariViewControl

Library to work against complex domain names, subdomains and URIs. Only contains ICANN section.

Tiny local JSON database for Node, Electron and the browser

Check if mobile browser.

`[].map(f)` for older browsers

OpenTelemetry instrumentation for XMLHttpRequest http client in web browsers

Browser port of the Node.js 'request' package

File manager plugin for CKEditor 5

Smallest/simplest possible means of using atob with both Node and browserify

Detect default web browser of the current user, cross-platform (Win/Lin/Mac)

Fastest, most accurate & effecient user agent string parser, uses Browserscope's research for parsing

Give your JS App some Backbone with Models, Views, Collections, and Events.

A Minimalistic Wrapper for IndexedDB

Test whether value is error object

Open a URL via the operating system (http: in default browser, mailto: in mail client etc.

Lint browser compatibility of API used

Promptbook: Run AI apps in plain human language across multiple models and platforms

Simple JS queue with auto run for node and browsers

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Isomorphic client library for Azure KeyVault's secrets.

Cross platform environment variables with process.env, window.name, location.hash and localStorage fallbacks

TaffyDB is an opensouce library that brings database features into your JavaScript applications.

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

A function to get the scrolling parent of an html element.

The speed of a single-page web application without having to write any JavaScript

Browser fingerprinting library with the highest accuracy and stability

Copy text to the clipboard in modern browsers (0.2 kB)

Javascript audio library for the modern web.

watch mode for browserify builds

The official Fullstory browser SDK

Simple JS queue with auto run for node and browsers

An extended Error class that envelops a parent error, such that the stack trace contains the causation

strings comparison matchers for chai

Google's libphonenumber pre-compiled with the closure compiler

the part of vue-inbrowser-compiler-utils that contains no vue dependency

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

Logger Utils

Lightweight copy to clipboard for the web

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Environment utilities

A modern logging library for Node.js and modern browsers that provides log level mapping to the console

Check version ranges like `>=N` and `X || Y || Z` with support for Node.js, Web Browsers, Deno, and TypeScript.

Lightning fast hash functions for browsers and Node.js using hand-tuned WebAssembly binaries (MD4, MD5, SHA-1, SHA-2, SHA-3, Keccak, BLAKE2, BLAKE3, PBKDF2, Argon2, bcrypt, scrypt, Adler-32, CRC32, CRC32C, RIPEMD-160, HMAC, xxHash, SM3, Whirlpool)

Compress images in the browser

Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish

Lint CSS for browser support against caniuse database

It is a lightweight rest client for node.js and the browser

A pure JavaScript client for the tus resumable upload protocol

Normalize browsers' default style

Disallow features that are unsupported by the browsers that you are targeting

Tiny hashing module that uses the native crypto API in Node.js and the browser

Isomorphic/Universal WHATWG URL API with some support legacy node URL API

provides locking mechanism to sync across browser tabs

Auto mock all localstorage and sessionstorage APIs for your Jest tests

Morph a DOM tree to another DOM tree (no virtual DOM needed)

Automatically opens your browser and iOS Simulator to preview Node.js email messages sent with Nodemailer. Made for Forward Email and Lad. Cross-browser and cross-platform email testing.

Microsoft Azure Storage SDK for JavaScript - Queue

Small module for fitting a canvas element within the bounds of its parent.

Chromium Binary for Serverless Platforms

AWS X-Ray ID generator for OpenTelemetry

Faro instrumentations, metas, transports for web.

UI utilities

Populate a <canvas> element with a font texture atlas

Node's path builtin module exposed as dual ESM/CJS and browser-compatible out of the box.

Extend Chai Assertion library with tests for http apis

small function to append a query string to a URL

Check if a value is a `Blob`

Get the size of an element in pixels, including margins

browserify compatible version of the ace editor.

Check if browser is Firefox

Consistent cross browser mouse wheel movement

<!-- markdownlint-disable MD024 -->

Check if browser is Internet Explorer

tiny http client for Node and the browser

Manage unstructured data using DataSet. Add, update, and remove data, and listen for changes in the data.

Cascading grid layout library

A companion library to openai for Azure OpenAI.

Mouse wheel normalization across multiple multiple browsers.

Faro web tracing implementation.

ExpressJS/Connect/TrinteJS user-agent middleware exposing

Test'em 'scripts! Javascript Unit testing made easy.

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

A jQuery plugin that adds cross-browser mouse wheel support.

Chai plugin for JSON Schema v4

Automated browser testing for the modern web development stack.

Advanced HTTP requests in node.js and browsers

Device detection (phone, tablet, desktop, mobile grade, os, versions)

JavaScript barcode generator supporting over 100 types and standards.

Read small to medium `*.xlsx` files in a browser or Node.js. Parse to JSON with a strict schema.

insert a string of css into the <head>

A regular expression that matches a CHANGELOG filename

Auth0 headless browser sdk

Fast client-side asset builder

A lightweight library to decode and verify RS JWT meant for the browser.

A generated SDK for ContainerInstanceManagementClient.

React component to wrap your application or component in an iFrame for encapsulation purposes

Render React components in Vitest Browser Mode

Javascript string formatter for human readability

Copy to clipboard.

React hooks done right, for browser and SSR.

return all coordinates from a geojson object

memlab browser E2E interaction libraries

A cross-browser wrapper for the Web Audio API which aims to closely follow the standard.

memlab API

Generic browser priority queue.

Base draggable class

Use Ky in both Node.js and browsers

Emscripten distribution of libheif for Node.JS and the browser

get webrtc browser methods unprefixed

Give eachr an item to iterate (array, object or map) and an iterator, then in return eachr gives iterator the value and key of each item, and will stop if the iterator returned false.

compute the bounding box of geojson features

Utility library to determine and normalize Element.scrollLeft behavior

Cross browser String#split implementation

Capture browser logs for logging in NodeJS

Migrate older jQuery code to jQuery 3.0+

Open stuff like URLs, files, executables. Cross-platform.

An extremely fast, React-like JavaScript library for building modern user interfaces

AngularJS mocks for testing

Strictly typed EventTarget that directly extends EventTarget to function as a drop-in replacement. It works with all Event-Types and accounts for basically no additional bundle-size.

Fingerprint Pro JavaScript agent

launch a web worker that can require() in the browser with browserify

Provides an enum of all possible VNode Flags used when calling Inferno.createVNode

a geographic extent object

Returns `true` if the Selection is "backward", `false` otherwise

Event based JavaScript for the browser

Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.

A generated SDK for ComputeManagementClient.

A generated SDK for NetworkManagementClient.

A dynamic, browser-based visualization library.

Returns the `window` object from a DOM object

Bitcoin Cash cashaddr address format support for Node.js and web browsers.

A generated SDK for StorageManagementClient.

Simple utility for watching and retrieving browser viewport width, height, vmin and vmax

Implementation of the Server-sent events protocol for Node.js and browsers.

A generated SDK for SubscriptionClient.

React's ExecutionEnvironment module recreated as ES6 functions

support sync, async, and generator functions

Event binding component

Returns a copy of an object, sorted deeply by its keys, without mangling any arrays inside of it

Library to work against complex domain names, subdomains and URIs.

Vendor agnostic access to the fullscreen spec api

Isomorphic Azure client runtime for Typescript/node.js/browser javascript client libraries generated using AutoRest

A generated SDK for SqlManagementClient.

Node.js Buffer API, for the browser

Turn a HTML string into DOM elements, cross-platform

Check if servers are reachable

Extract the options and callback from a function's arguments easily

A tiny Fetch API wrapper that allows you to make http requests without need to handle to send the CSRF Token on every request

JavaScript API to work against complex domain names, subdomains and URIs.

React hooks for TraceTail enterprise browser fingerprinting with over 99.5% accuracy. TypeScript support and React 18 compatibility.

An Lz4 implementation for the browser.

A comprehensive JavaScript/TypeScript library designed for both Node.JS and browsers, facilitating seamless interaction with the Atlassian Jira API.

Utility for mocking XMLHttpRequest.

A generated SDK for CosmosDBManagementClient.