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CoffeeScript
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CoffeeScript vs JavaScript: What are the differences?

Developers describe CoffeeScript as "Unfancy JavaScript". CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way. On the other hand, JavaScript is detailed as "Lightweight, interpreted, object-oriented language with first-class functions". JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.

CoffeeScript and JavaScript belong to "Languages" category of the tech stack.

"Easy to read", "Faster to write" and "Syntactic sugar" are the key factors why developers consider CoffeeScript; whereas "Can be used on frontend/backend", "It's everywhere" and "Lots of great frameworks" are the primary reasons why JavaScript is favored.

CoffeeScript is an open source tool with 15.2K GitHub stars and 1.99K GitHub forks. Here's a link to CoffeeScript's open source repository on GitHub.

Airbnb, Instagram, and ebay are some of the popular companies that use JavaScript, whereas CoffeeScript is used by Code School, Zaarly, and thoughtbot. JavaScript has a broader approval, being mentioned in 5080 company stacks & 6471 developers stacks; compared to CoffeeScript, which is listed in 364 company stacks and 170 developer stacks.

- No public GitHub repository available -

What is CoffeeScript?

It adds syntactic sugar inspired by Ruby, Python and Haskell in an effort to enhance JavaScript's brevity and readability. Specific additional features include list comprehension and de-structuring assignment.

What is JavaScript?

JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
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What are some alternatives to CoffeeScript and JavaScript?
TypeScript
TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.
ES6
Goals for ECMAScript 2015 include providing better support for large applications, library creation, and for use of ECMAScript as a compilation target for other languages. Some of its major enhancements include modules, class declarations, lexical block scoping, iterators and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls.
Babel
Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting for browser support.
jQuery
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
Python
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
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Decisions about CoffeeScript and JavaScript
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Reviews of CoffeeScript and JavaScript
Review ofJavaScriptJavaScript

excellent!!

How developers use CoffeeScript and JavaScript
Avatar of Andrew Faulkner
Andrew Faulkner uses JavaScriptJavaScript

Almost the entire app was written in Javascript, with JSON-based configuration and data storage. The following components were written and/or configured with Javascript:

  • Most server-side scripts, all unit tests, all build tools, etc. were driven by NodeJS.
  • ExpressJS served as the 'backend' server framework.
  • MongoDB (which stores essential JSON) was the main database.
  • MongooseJS was used as the main ORM for communicating with the database, with KnexJS used for certain edge cases.
  • MochaJS, ChaiJS, and ExpectJS were used for unit testing.
  • Frontend builds were done with Gulp and Webpack.
  • Package management was done primarily with npm - with a few exceptions that required the use of Bower (also configured with JSON).
  • "Templating" was done with Javascript dialect JSX.
  • The frontend was build primarily with ReactJS (as the View) and Redux (as the Controller / Store / frontend model).
  • Configuration was done with json files.

The only notable exceptions were the use of SCSS (augmented by Compass) for styling, Bash for a few basic 'system chores' and CLI utilities required for development of the app (most notably git and heroku's CLI interface), and a bit of custom SQL for locations where the ORM extractions leaked (the app is DB-agnostic, but a bit of SQL was required to fill gaps in the ORMs when interfacing with Postgres).

Avatar of OutSystems
OutSystems uses JavaScriptJavaScript

Read more on how to extend the OutSystems UI with Javascript here.

OutSystems provides a very simple to use AJAX mechanism. However, developers can also use JavaScript extensively to customize how users interact with their applications, to create client side custom validations and dynamic behaviors, or even to create custom, very specific, AJAX interactions. For example, each application can have an application-wide defined JavaScript file or set of files included in resources. Page-specific JavaScript can also be defined.

Avatar of Gorka Llona
Gorka Llona uses JavaScriptJavaScript

This GNU/GPL licensed Javascript library allows you to draw complex organizational charts that can't be drawn using Google's tool or equivalents. Orgchart structures are specified with JSON and can be generated on-the-fly by server-side scripts and databases. Events can be attached to clicks over the boxes. Multiple options can be defined; look at the repo for examples. This 1300-code-lines software component with contributors from 8 countries (and others for which I have to integrate their works) appears in the first page of Google Search results when searching for "Javascript Organizational Chart Library".

Avatar of Cloudcraft
Cloudcraft uses JavaScriptJavaScript

JavaScript gets a bad rep, quite undeservedly so in my opinion. Today, JS is closer to functional languages than to the traditional-OO languages, and when used as such provides a great development experience. The pace of development is just picking up with transpilers like Babel making future advanced language features available to the masses today. At Cloudcraft.co, we write 100% of both the front-end (with React) and the backend (with Node.js) in Javascript, using the latest ES6 and even some ES7 features. This is not your grandfather's Javascript!

Avatar of MOKA Analytics
MOKA Analytics uses JavaScriptJavaScript

The application front-end is written in JavaScript (ES6). We originally selected it over TypeScript because many library typings at the time were still flaky and the transpilation time was slow.

We are now re-considering TypeScript because 1) the tooling has improved significantly, and 2) and the root cause of the majority of our front-end bugs are related to typing (despite having PropTypes).

Avatar of Oomba
Oomba uses CoffeeScriptCoffeeScript

All of our Javascript code is first written in CoffeeScript for ease of reading / writing. It is compiled to Javascript before being minified and served to the client.

Avatar of opening.io
opening.io uses CoffeeScriptCoffeeScript

All front-end / back-end is driven by Coffeescript. For the main ReactJS functionality JSX is embedded with coffee in .cjsx files / handled by Browserify.

Avatar of Jeff Flynn
Jeff Flynn uses CoffeeScriptCoffeeScript

We like CoffeeScript because it's more readable, we use it because we have a lot of libraries and functions already (plays nicely with Rails, too)

Avatar of Chris Hartwig
Chris Hartwig uses CoffeeScriptCoffeeScript

All our code is CoffeeScript, blending seemlessly in our JS stack

Avatar of Publitory
Publitory uses CoffeeScriptCoffeeScript

Javascript is a hell. We use coffeescript for its readability.

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