JSPM

Wallet address validator for Bitcoin and other Altcoins.

Wallet address validator for Bitcoin and other Altcoins.

Fast Wallet address validator for Bitcoin and other Altcoins.

Crypto wallet address validator for Bitcoin and other Altcoins.

Ledger Hardware Wallet Web implementation of the communication layer, using U2F api

Cryptocurrency wallet address validator for Bitcoin, Litecoin and other Altcoins.

Universal Multi-Blockchain HD Wallet Library for the Browser

Wallet address validator for Bitcoin and other Altcoins.

The package to create wallet identicons of Yoroi SDK

WebAssembly bundle for Wallet

Wallet address validator for Bitcoin and other Altcoins.

A modern, lightweight, descriptor-based wallet library in WebAssembly for browsers and Node

A modern, lightweight, descriptor-based wallet library in WebAssembly for browsers and Node

A modern, lightweight, descriptor-based wallet library in WebAssembly for browsers and Node

Ledger Hardware Wallet Web implementation of the communication layer, using U2F api

Wallet address validator for Bitcoin and other Altcoins.

Wallet address validator for Bitcoin and other Altcoins.

Multicoin address validator for Bitcoin and other altcoins.

The string_decoder module from Node core

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

Node.js Buffer API, for the browser

Array#isArray for older browsers

Converts a source-map from/to different formats and allows adding/changing properties.

ES2015 `Object.assign()` ponyfill

A javascript library allows to manipulate keys/wallet on browser.

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

Determine if an object is a Buffer

OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.

The Node.js `util.deprecate()` function with browser support

Tari Address Generator WASM module for web browsers

A library for parsing IPv4 and IPv6 IP addresses in node and the browser.

An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible

Public logs API for OpenTelemetry

Base class for node which OpenTelemetry instrumentation modules extend

Public API for OpenTelemetry

Lightweight browser detector

Universal WHATWG Fetch API for Node, Browsers and React Native

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

Microsoft Azure SDK for JavaScript - Aborter

High performance (de)compression in an 8kB package

Embed the XRiSE swap widget into any website or dApp to enable Web3 token swaps. A customizable DeFi DEX widget for XRPL EVM, with wallet support (MetaMask, WalletConnect) and referral rewards. (CDN browser bundle only)

JavaScript's functional programming helper library.

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

Wallet address validator for Bitcoin and other Altcoins.

the stream module from node core for browsers

atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)

the path module from node core for browsers

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

JavaScript library for DOM operations

Convert a typed array to a Buffer without a copy

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Get the default browser

A simple, lightweight JavaScript API for handling cookies

Better `os.arch()` for node and the browser -- detect OS architecture

Parse and stringify URL query strings

HTML5 `FormData` for Browsers and Node.

A better opn. Reuse the same tab on Chrome for 👨‍💻.

https module compatability for browserify

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

Random number generator for browsers and node.js

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

JSON without touching any globals

Get the bundle identifier of the default browser (macOS). Example: com.apple.Safari

Parse milliseconds into an object

Decode JWT tokens, mostly useful for browser applications.

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

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

the tty module from node core for browsers

Isomorphic implementation of WebSocket

vm module for the browser

A polyfill for the Resize Observer API

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

Microsoft Azure SDK for JavaScript - Logger

timers module for browserify

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

Lazy assertions without performance penalty

node's constants module for the browser

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

Promisify an event by waiting for it to be emitted

Toggle current selected content in 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.

resolve which handles browser field support in package.json

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

Copy stuff into clipboard using JS with fallbacks

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

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

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

Check if a value is a natural number

Microsoft Azure Storage SDK for JavaScript - Blob

Cross-browser `CustomEvent` constructor

Tiny and elegant HTTP client based on the Fetch API

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

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

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

JavaScript SVG parser and renderer on Canvas.

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

Get a KeyboardEvent.key-style string from an event

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

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

Topological sort of directed acyclic graphs (like dependecy lists)

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.

Isomorphic WebSocket

Plugin for loglevel message prefixing

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

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

LRU and FIFO caches for Client or Server

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

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

Dynamic script loading for browser

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

HKDF with no dependencies using runtime's native crypto

browser-side require() the node way

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

Serializes any DOM node into a String

DOMParser.parseFromString for XML with IE8 fallback

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

A tool to get browser's scrollbars width.

Simple JS stack with auto run for node and browsers

Tests if ES6 Symbol is supported.

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

Tests if ES6 @@toStringTag is supported.

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

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

Isomorphic client library for Azure KeyVault's keys.

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

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

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

Extends Chai with assertions about promises.

sort module-deps output for deterministic browserify bundles

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

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

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

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

A generated SDK for WebSiteManagementClient.

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

Browser compatibility data provided by MDN Web Docs

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!

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

Array#filter for older browsers.

Get the paths of edge browser easily

Detect device type and render your component according to it

XMLHttpRequest emulation for node.js

Analyze and debug space usage through source maps

Simple JS queue with auto run for node and browsers

Node standard library for browser.

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

Create a MD5 hash with hex encoding

Unpack a browser type and version from the useragent string

A client for working with the BrowserStack APIs.

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

Mouse wheel normalization across multiple multiple browsers.

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

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

Cross Platform implementation of the GitLab API

tap-producing test harness for node and browsers

Check if mobile browser.

OpenTelemetry instrumentation for fetch http client in web browsers

File manager plugin for CKEditor 5

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

A generated SDK for ResourceManagementClient.

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

OpenTelemetry instrumentation for XMLHttpRequest http client in web browsers

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

Tiny local JSON database for Node, Electron and the browser

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

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

Minimal JavaScript module loader

A Minimalistic Wrapper for IndexedDB

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.

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

Lint browser compatibility of API used

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

Javascript audio library for the modern web.

Browser fingerprinting library with the highest accuracy and stability

The official Fullstory browser SDK

Browser port of the Node.js 'request' package

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

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

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

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

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

Logger Utils

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

Test whether value is error object

Easy Ledger Wallet support for Stellar applications and command line

Google's libphonenumber pre-compiled with the closure compiler

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

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

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

Environment utilities

Lightweight copy to clipboard for the web

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

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

Compress images in the browser

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

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

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

watch mode for browserify builds

strings comparison matchers for chai

Normalize browsers' default style

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

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

provides locking mechanism to sync across browser tabs

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

Lint CSS for browser support against caniuse database

A pure JavaScript client for the tus resumable upload protocol

Auto mock all localstorage and sessionstorage APIs for your Jest tests

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)

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

UI utilities

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.

Faro instrumentations, metas, transports for web.

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

Microsoft Azure Storage SDK for JavaScript - Queue

Populate a <canvas> element with a font texture atlas

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

Chromium Binary for Serverless Platforms

<!-- markdownlint-disable MD024 -->

Cascading grid layout library

AWS X-Ray ID generator for OpenTelemetry

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

Check if browser is Internet Explorer

small function to append a query string to a URL

A companion library to openai for Azure OpenAI.

browserify compatible version of the ace editor.

Consistent cross browser mouse wheel movement

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

Extend Chai Assertion library with tests for http apis

Advanced HTTP requests in node.js and browsers

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

ExpressJS/Connect/TrinteJS user-agent middleware exposing

Get the size of an element in pixels, including margins

Check if browser is Firefox

Faro web tracing implementation.

Check if a value is a `Blob`

A generated SDK for ContainerInstanceManagementClient.

Chai plugin for JSON Schema v4

tiny http client for Node and the browser

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

insert a string of css into the <head>

Mouse wheel normalization across multiple multiple browsers.

JavaScript barcode generator supporting over 100 types and standards.

Javascript string formatter for human readability

Fast client-side asset builder

Base draggable class

Automated browser testing for the modern web development stack.