Home - Ecma International
Ecma International is an industry association dedicated to the standardization of information and communication systems Ecma is driven by industry members to meet their needs, providing a healthy competitive landscape based on differentiation of products and services rather than technology models, generating confidence among vendors and users of new technology.
Flow | A static type checker for JavaScript
Code Faster.Tired of having to run your code to find bugs? Flow identifies problems as you code. Stop wasting your time guessing and checking. Code Smarter.It's hard to build smart tools for dynamic languages like JavaScript. Flow understands your code and makes its knowledge available, enabling other smart tools to be built on top of Flow. Code Confidently.Making major changes to large codebases
Jest
Jest is a delightful JavaScript Testing Framework with a focus on simplicity.
ECMAScript 6 compatibility table
V8 SpiderMonkey JavaScriptCore Chakra Carakan KJS Other ⬤ Minor difference (1 point) ⬤ Small feature (2 points) ⬤ Medium feature (4 points) ⬤ Large feature (8 points) Compilers/polyfills Desktop browsers Servers/runtimes Mobile Feature name Current browser ES6 Trans- piler Traceur Babel 6 + core-js 2 Babel 7 + core-js 2 Babel 7 + core-js 3 Closure 2020.06 Closure 2020.09 Closure 2021.08 Closure 20
can I use... Support tables for HTML5, CSS3, etc
Test a feature Our partnership with BrowserStack now lets you test your website for compatibility across 2,000+ real browsers and devices. Test on: Did you know? Next If a feature you're looking for is not available on the site, you can vote to have it included. Better yet, if you've done the research you can even submit it yourself! You can import usage data from your Google Analytics account and
W3Schools Online Web Tutorials
W3Schools offers a wide range of services and products for beginners and professionals, helping millions of people everyday to learn and master new skills. Free Tutorials Enjoy our free tutorials like millions of other internet users since 1999
ESLint - Pluggable JavaScript linter
Find issues ESLint statically analyzes your code to quickly find problems. ESLint is built into most text editors and you can run ESLint as part of your continuous integration pipeline. Learn more about finding issues with ESLint Fix problems automatically Many problems ESLint finds can be automatically fixed. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional f
Redux · A Predictable State Container for JS Apps
Centralizing your application's state and logic enables powerful capabilities like undo/redo, state persistence, and much more. The Redux DevTools make it easy to trace when, where, why, and how your application's state changed. Redux's architecture lets you log changes, use "time-travel debugging", and even send complete error reports to a server.
Polyfill.io
Filter PolyfillsFilter the polyfills in the "Available Polyfills" list.Available PolyfillsCheck the boxes of the polyfills or polyfill-sets you want to have in your bundle. defaultIncluded PolyfillsArray.fromArray.isArrayArray.ofArray.prototype.everyArray.prototype.fillArray.prototype.filterArray.prototype.forEachArray.prototype.indexOfArray.prototype.lastIndexOfArray.prototype.mapArray.prototype.
Vue.js - The Progressive JavaScript Framework | Vue.js
The Progressive JavaScript Framework An approachable, performant and versatile framework for building web user interfaces. Why Vue Get Started Install Get Security Updates for Vue 2 Special Sponsor slot is now vacant - Inquire now Approachable Builds on top of standard HTML, CSS and JavaScript with intuitive API and world-class documentation. Performant Truly reactive, compiler-optimized rendering
MDN Web Docs - Mozilla
Resources for Developers, by DevelopersDocumenting web technologies, including CSS, HTML, and JavaScript, since 2005. //////////// //////////// //////////// //////////// //////////// //////////// //////////// ++++++ ++++++ ++++++ ++++++ ++++++ ++++++ ++++++{{{{ }}}} {{{{ }}}} {{{{ }}}} {{{{ }}}} {{{{ }}}} {{{{ }}}} ../../ ../../ ../../ ../../ ../../ ../..
UNPKG
ExamplesUsing a fixed version: unpkg.com/react@16.7.0/umd/react.production.min.jsunpkg.com/react-dom@16.7.0/umd/react-dom.production.min.jsYou may also use a semver range or a tag instead of a fixed version number, or omit the version/tag entirely to use the latest tag. unpkg.com/react@^16/umd/react.production.min.jsunpkg.com/react/umd/react.production.min.jsIf you omit the file path (i.e. use a “
Prepack · Partial evaluator for JavaScript
*Prepack is still in an early development stage and not ready for production use just yet. Please try it out, give feedback, and help fix bugs. What does it do? Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack replaces the global code of a JavaScript bundle with equivalent code that is a simple sequen
Sugar - A Javascript utility library for working with native objects.
Sugar is a Javascript utility library for working with native objects. It lets you do stuff like this:
Moment.js | Parse, validate, manipulate, and display dates in javascript.
Moment.js 2.30.1 Parse, validate, manipulate, and display dates and times in JavaScript. Install npm install moment --save # npm yarn add moment # Yarn Install-Package Moment.js # NuGet spm install moment --save # spm meteor add momentjs:moment # meteor bower install moment --save # bower (deprecated) Format Dates moment().format('MMMM Do YYYY, h:mm:ss a'); moment().format('dddd'); moment().format
Modernizr: the feature detection library for HTML5/CSS3
MENURespond to your user’s browser features.Modernizr tells you what HTML, CSS and JavaScript features the user’s browser has to offer.Add your detects Development build What is Modernizr?It’s a collection of superfast tests – or “detects” as we like to call them – which run as your web page loads, then you can use the results to tailor the experience to the user. Why do I need it?All web develope
gulp.js
A toolkit to automate & enhance your workflowLeverage gulp and the flexibility of JavaScript to automate slow, repetitive workflows and compose them into efficient build pipelines. TypeScriptDevelop in any languagePNGCreate assets with any toolMarkdownWrite using any formatJavaScriptGet compiled codeWebPGet optimized imagesHTMLGet rendered content
Express - Node.js web application framework
Express 5.0 beta documentation is now available. The beta API documentation is a work in progress. For information on what’s in the release, see the Express release history. Web Applications Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. APIs With a myriad of HTTP utility methods and middleware at your dis
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