CoffeeScript

CoffeeScript is a programming language created in 2009 by Jeremy Ashkenas.

#64on PLDB	14Years Old	23.3kUsers
17Books	0Papers	65kRepos

Try now: Riju · TIO · Replit

CoffeeScript is a programming language that transcompiles to JavaScript. 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 pattern matching. Read more on Wikipedia...

CoffeeScript website
CoffeeScript Wikipedia page
PLDB has 2 documentation sites for CoffeeScript: coffeescript.org, devdocs.io
There are at least 64,590 CoffeeScript repos on GitHub
CoffeeScript first developed in https://github.com/jashkenas
PLDB estimates there are currently 216 job openings for CoffeeScript programmers.
file extensions for CoffeeScript include coffee, litcoffee, _coffee, cake, cjsx and iced
CoffeeScript compiles to JavaScript
The Google BigQuery Public Dataset GitHub snapshot shows 45k users using CoffeeScript in 69k repos on GitHub
Explore CoffeeScript snippets on Rosetta Code
CoffeeScript appears in the TIOBE Index
CoffeeScript Ubuntu package
CodeMirror package for syntax highlighting CoffeeScript
Monaco package for syntax highlighting CoffeeScript
Pygments supports syntax highlighting for CoffeeScript
GitHub supports syntax highlighting for CoffeeScript
CoffeeScript appears in the Quine Relay project
There is 1 Jupyter Kernel for CoffeeScript
Frequently Asked Questions for CoffeeScript
coffeescript.org was registered in 2009
See also: (17 related languages)Haskell, JavaScript, Perl, Python, Ruby, YAML, LiveScript, Ruby on Rails, JQuery, Apache Maven, Java, Markdown, Elm, Haxe, Dart, Opa, TypeScript
HTML of this page generated by LanguagePage.ts

Example from Riju:

console.log "Hello, world!"

Example from hello-world:

alert "Hello World"

Example from the Hello World Collection:

// Hello world in CoffeeScript

alert "Hello, World!"

Example from Linguist:

console.log "Hello, World!"

Example from Wikipedia:

author = "Wittgenstein"
quote  = "A picture is a fact. -- #{ author }"

sentence = "#{ 22 / 7 } is a decent approximation of π"

Keywords in CoffeeScript

and or is isnt not on yes @ no off true false null this new delete typeof in instanceof return throw break continue debugger if else switch for while do try catch finally class extends super undefined then unless until loop of by when

Feature	Supported	Token	Example
Integers	✓		# [0-9]+
Floats	✓		# [0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?
Hexadecimals	✓		# 0x[0-9a-fA-F]+
Conditionals	✓
Inheritance	✓
Switch Statements	✓
Exceptions	✓
Classes	✓
While Loops	✓
Booleans	✓	true false
Regular Expression Syntax Sugar	✓
Strings	✓	"
MultiLine Comments	✓	###	### A comment ###
Print() Debugging	✓	console.log
Line Comments	✓	#	# A comment
Semantic Indentation	✓
Comments	✓
Case Insensitive Identifiers	X
Variable Substitution Syntax	X

title	author	year	reviews	ratings	rating
Programming in CoffeeScript (Developer's Library)	Mark Bates	2012	2	22	3.50
Coffeescript Programming with Jquery, Rails, and Node.Js	Michael Erasmus	2012	2	10	3.50
Programming in Coffeescript	Mark Bates	2012	0	0	0.0
Programming in Coffeescript	Mark Bates	2012	0	0	0.0

Books about CoffeeScript from ISBNdb

title	authors	year	publisher
CoffeeScript Application Development	Young, Ian	2013	Packt Publishing
CoffeeScript in Action	Patrick Lee	2014	Manning
CoffeeScript Programming with jQuery, Rails, and Node.js	Erasmus, Michael	2012	Packt Publishing
CoffeeScript Programming with jQuery, Rails, and Node.js	Michael Erasmus	2012-12-13	Packt Publishing
Programming in CoffeeScript (Developer's Library)	Bates, Mark	2012	Addison-Wesley Professional
CoffeeScript Application Development Cookbook	Hatfield, Mike	2015	Packt Publishing
Programming in CoffeeScript (Developer's Library)	Bates, Mark	2012	Addison-Wesley Professional
Smashing CoffeeScript	Hudson, Alex	2013	Wiley
Jump Start CoffeeScript	Earle Castledine	20121128	O'Reilly Media, Inc.
CoffeeScript in Action	Patrick Lee	20140508	Simon & Schuster
Jump Start CoffeeScript	Earle Castledine	20121128	O'Reilly Media, Inc.
The Little Book on CoffeeScript	Alex MacCaw	20120119	O'Reilly Media, Inc.
The Little Book on CoffeeScript	Alex MacCaw	20120119	O'Reilly Media, Inc.

CoffeeScript - Programming language

Keywords in CoffeeScript

Language features

Books about CoffeeScript on goodreads

Books about CoffeeScript from ISBNdb