cypress
Cypress is a next generation front end testing tool built for the modern web
Found 14240 results for browser testing
Cypress is a next generation front end testing tool built for the modern web
AngularJS mocks for testing
Test'em 'scripts! Javascript Unit testing made easy.
Automated browser testing for the modern web development stack.
simple browser testing
Testing infrastructure
Browser utilities to stabilize visual testing with Argos.
Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.
An in-memory implementation of webextension-polyfill for testing. Supports all test frameworks (Vitest, Jest, etc)
Insanely fast, full-stack, headless browser testing using Node.js
web-component-tester makes testing your web components a breeze!
Browser testing/automation utilities with async/await
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.
A library to install stable Chromium for testing via Gauge and Taiko
Proxies browserify's require in order to allow overriding dependencies during testing.
Lightweight client testing framework
Serenity/JS Screenplay Pattern library offering a flexible, web driver-agnostic approach for interacting with web-based user interfaces and components, suitable for various testing contexts
DappDriver is an e2e testing framework designed for testing decentralized applications (dApps) using MetaMask, Rainbow or Zerion
AI-powered natural language end-to-end testing framework
Automated browser testing for the modern web development stack.
Common utilities and helpers to make testing assertions easier
Cross browser testing for your ember-cli app using SauceLabs.
Easy e2e browser testing in Node
A universal testing suite that works with Mocha style test runners _and_ Node.js's built-in test runner.
Playwright (Cross-browser testing framework) provider for Nest.js
A fake REST server that can run as a service or bundled within a browser, for testing and demoing
A powerful Jest + Puppeteer E2E testing framework with built-in device automation, data builders, and CLI
Bellini mocks for testing
a simple, full-featured, JavaScript testing framework
A modern testing tool that makes Playwright easy to use with simple YAML syntax
Cypress.io end to end testing tool
async testing framework for es-modules
Template plugin for mocking and testing
Simple performance testing tool using SauceLabs
This method returns the index of the first element in the array that satisfies the provided testing function.
Web console reporter for Mocha testing framework
<div align="center"> <h1>Svelte Testing Library</h1>
minimal browser mocks for testing react-dom code in node.js
TAP reporters for zora testing library
Playwright utilities for testing and automation
tap-producing test harness for node and browsers
A client for working with the BrowserStack APIs.
A lightweight load testing tool using real browsers for streaming applications with DRM support
Element is a real browser load testing tool
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.
Extend Chai Assertion library with tests for http apis
Extends Chai with assertions about promises.
Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods
JavaScript library for DOM operations
the stream module from node core for browsers
This package contains Microsoft Azure LoadTestingClient client library.
Give your JS App some Backbone with Models, Views, Collections, and Events.
Privacy-friendly conversion tracking and A/B testing script for UserTrax
memlab browser E2E interaction libraries
A lightweight, fast browser module for converting HTML to PDF with advanced styling support, customizable options, and comprehensive testing
memlab API
It is a lightweight rest client for node.js and the browser
Automated Functional Testing (AFT) package supporting UI testing in browsers
Render React components in Vitest Browser Mode
Utilities.
An AI powered browser automation testing agent powered by LLMs.
Mocha tests in Electron.
[](https://percy.io/f1364dca/eBay-Skin)
Automated Functional Testing (AFT) package supporting UI testing in browsers with support for BrowserStack, Sauce Labs and Local Selenium Grid
Cypress.io end to end testing tool
Make End-to-End Testing Great for Once
A responsiveness testing tool on browsers
expressive server-side functional testing with jQuery and jsdom
A lightweight wrapper making assertion testing much easier.
The string_decoder module from Node core
A JavaScript testing framework for the real world
Adapter that integrates @serenity-js/web with Protractor, enabling Serenity/JS reporting and using the Screenplay Pattern to write end-to-end test scenarios
Provides a minified version of selected `@sa11y` libraries to be injected into a browser (using webdriver) and executed from integration testing workflows.
Array#isArray for older browsers
Adapter that integrates @serenity-js/web with Playwright, enabling Serenity/JS reporting and using the Screenplay Pattern to write component and end-to-end test scenarios
Browser-friendly inheritance fully compatible with standard node.js inherits()
Auto mock all localstorage and sessionstorage APIs for your Jest tests
Cypress.io end to end testing tool
Node.js Buffer API, for the browser
Render Vue components in Vitest Browser Mode
Converts a source-map from/to different formats and allows adding/changing properties.
Event based JavaScript for the browser
Modern and minimalist testing library for the web
Extends Chai with assertions for the Sinon.JS mocking framework.
ES2015 `Object.assign()` ponyfill
Automated browser testing for the modern web development stack.
The Node.js `util.deprecate()` function with browser support
Open stuff like URLs, files, executables. Cross-platform.
A proper monster for front-end automated testing
Run TAP unit tests in 1789+ browsers
Determine if an object is a Buffer
An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible
Serenity/JS test runner adapter for Playwright Test, combining Playwright's developer experience with the advanced reporting and automation capabilities of Serenity/JS
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
All-in-one open source e2e testing framework, with low-code recorder, runner + batteries built-in.
Public API for OpenTelemetry
strings comparison matchers for chai
Render Svelte components in Vitest Browser Mode
A library for parsing IPv4 and IPv6 IP addresses in node and the browser.
Public logs API for OpenTelemetry
Utilities.
Use Ky in both Node.js and browsers
Flood Element is a browser based load generation tool for easily testing modern web application performance
Universal WHATWG Fetch API for Node, Browsers and React Native
Base class for node which OpenTelemetry instrumentation modules extend
JavaScript's functional programming helper library.
Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment
Media-Mock is a JavaScript library that simulates media devices (like webcams) in web applications, allowing developers to test and debug media constraints, device configurations, and stream functionality without needing physical devices. This is particul
in memory localStorage polyfill for node.js utilizing ES6 proxies
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
the path module from node core for browsers
Lightweight browser detector
High performance (de)compression in an 8kB package
A simple, lightweight JavaScript API for handling cookies
Convert a typed array to a Buffer without a copy
Microsoft Azure SDK for JavaScript - Aborter
A powerful command-line interface for automating Chrome browser using Playwright. Perfect for web scraping, automation, testing, and browser workflows.
Better `os.arch()` for node and the browser -- detect OS architecture
Library to work against complex domain names, subdomains and URIs.
HTML5 `FormData` for Browsers and Node.
Parse and stringify URL query strings
atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)
Random number generator for browsers and node.js
<!-- markdownlint-disable MD024 -->
The assert module from Node.js, for the browser.
Get the bundle identifier of the default browser (macOS). Example: com.apple.Safari
Exports a jsdom window object.
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
Get the default browser
Super simple browser testing influenced by testling and smokestack
Utility for mocking XMLHttpRequest.
Node's domain module for the web browser. This is merely an evented try...catch with the same API as node, nothing more.
Decode JWT tokens, mostly useful for browser applications.
Chai plugin for JSON Schema v4
https module compatability for browserify
A better opn. Reuse the same tab on Chrome for 👨💻.
Parse milliseconds into an object
E2E Testing Reinvented with AI - A powerful TypeScript browser automation framework using AI-powered testing with LangChain, OpenAI GPT-4o, and Playwright
JSON without touching any globals
Compare semver version strings to find greater, equal or lesser.
Isomorphic implementation of WebSocket
timers module for browserify
Microsoft Azure SDK for JavaScript - Logger
the tty module from node core for browsers
node's constants module for the browser
vm module for the browser
A polyfill for the Resize Observer API
An alias package for `crypto.randomBytes` in Node.js and/or browsers
Collection of samples useful in testing IOTA modules.
OpenTelemetry Collector Trace Exporter allows user to send collected traces to the OpenTelemetry Collector
Lazy assertions without performance penalty
btoa for Node.JS (it's a one-liner)
Evaluate Javascript in PhantomJS, and print the output.
Toggle current selected content in browser
resolve which handles browser field support in package.json
Chromium binaries for Node.js projects
Promisify an event by waiting for it to be emitted
Copy stuff into clipboard using JS with fallbacks
Auto mock all localstorage and sessionstorage APIs for your Vitest tests
Converts a Web-API readable-stream into a Node.js readable-stream.
Isomorphic client library for supporting long-running operations in node.js and browser.
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
OpenTelemetry Zipkin Exporter allows the user to send collected traces to Zipkin.
React Browser Tests is a browser first testing library. The tests are written in React and run in a browser. Terminal also works.
Apple's property list parser/builder for Node.js and browsers
High Level DOM Assertions for QUnit
Get a KeyboardEvent.key-style string from an event
date / time comparison matchers for chai
OAuth 2 / OpenID Connect Client API for JavaScript Runtimes
JavaScript SVG parser and renderer on Canvas.
Framework-agnostic, micro-library for getting stack traces in all environments
OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector
Microsoft Azure Storage SDK for JavaScript - Blob
Tiny and elegant HTTP client based on the Fetch API
Check if a value is a natural number
Cross-browser `CustomEvent` constructor
Check if a value is an `Error` instance
(recursive)? merging of (cloned)? objects.
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
DOM assertions for the Chai assertion library using vanilla JavaScript
Isomorphic WebSocket
The Backbone Framework
Adapter that integrates @serenity-js/web with the latest stable version of WebdriverIO, enabling Serenity/JS reporting and using the Screenplay Pattern to write web and mobile test scenarios
Detects where the current browser extension code is being run. Compatible with Firefox, Chrome and derivates.
UMD __dirname and __filename browser shim
The node.js assert module, re-packaged for web browsers.
LRU and FIFO caches for Client or Server
Spies for the Chai assertion library.
🔥 An extremely fast and efficient LRU cache for JavaScript with high compatibility (including Browsers) — 6.8KB.
Low-Level OAuth 2 / OpenID Connect Client API for JavaScript Runtimes
Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.
Serializes any DOM node into a String
Topological sort of directed acyclic graphs (like dependecy lists)
Dynamic script loading for browser
React's ExecutionEnvironment module extracted for use in other packages & components
An implementation of https://github.com/emberjs/rfcs/pull/726
browser-side require() the node way
Shallow deep equal assertion for chai
A JavaScript library to zip and unzip files in the browser, Deno and Node.js
Plugin for loglevel message prefixing
HKDF with no dependencies using runtime's native crypto
DOMParser.parseFromString for XML with IE8 fallback
A tool to get browser's scrollbars width.
A tiny (230B) and fast UUID (v4) generator for Node and the browser
A package that contains an array of every single file extension there is for text files
A package that contains an array of every single file extension there is for binary files
All-in-one open source e2e testing framework, with low-code recorder, runner + batteries built-in.
A framework for mocking the FileMaker webviewer window object for developing and testing fm webviewer apps in browser.
Extends Chai with lint-friendly terminating assertions.
Tests if ES6 @@toStringTag is supported.
Tests if ES6 Symbol is supported.
Isomorphic client library for Azure KeyVault's keys.
Check whether operating system CPU architecture is 64-bit or 32-bit (Supports browsers)
walk the dependency graph to generate json output that can be fed into browser-pack
Detect default web browser of the current user, cross-platform (Win/Lin/Mac)
Adds console.table method that prints an array of objects as a table in console
sort module-deps output for deterministic browserify bundles
Determine if a filename and/or buffer is text or binary. Smarter detection than the other solutions.
Smallest/simplest possible means of using btoa with both Node and browserify
Light-weight EventEmitter (less than 1KB when gzipped)
Creates an async iterator for a variety of inputs in the browser and node. Supports fetch, node-fetch, and cross-fetch
pack node-style source files from a json stream into a browser bundle
LambdaTest Rest Client for Node.js
A generated SDK for WebSiteManagementClient.
A browser and nodeJS compatible plugin that allows to generate GraphQL Queries and Variables
The simplest unit testing framework possible.
Check in which environment the code is running - browser/node.js/webworker/jsdom/deno
Get the paths of edge browser easily
Detect device type and render your component according to it
A mock browser with window, document, location, navigation, local and session storage to use for client side code tests in a node environment.
Smart IPFS gateway selector with latency testing and fallback logic (vanilla JS)
Unpack a browser type and version from the useragent string
Simple JS stack with auto run for node and browsers
Image structural similarity (SSIM). In TypeScript/JavaScript. For browser/server.
XMLHttpRequest emulation for node.js
Array#filter for older browsers.
Simulates a global browser environment using jsdom
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!
JavaScript UI component for displaying audio waveforms
Browser compatibility data provided by MDN Web Docs
Node standard library for browser.
A high-performance, lightweight LRU cache. Built for developers who need fast caching without compromising on features.
Analyze and debug space usage through source maps
Flmngr file manager (Local disk / Amazon S3 / Azure Blob)
A generated SDK for ResourceManagementClient.
A lightweight, flexible and based testing library for JS
Minimal JavaScript module loader