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coffee-script
Advanced tools
The coffee-script npm package is a language that compiles into JavaScript. It provides a more readable and concise syntax compared to JavaScript, making it easier to write and maintain code. CoffeeScript adds syntactic sugar inspired by Ruby, Python, and Haskell to JavaScript, and it compiles one-to-one into the equivalent JavaScript.
Class Definitions
CoffeeScript provides a simple syntax for defining classes and constructors. The '@' symbol is a shorthand for 'this.' in JavaScript.
class Animal
constructor: (@name) ->
speak: -> console.log "#{@name} makes a noise."
Function Definitions
Functions in CoffeeScript are defined using the '->' syntax, which is more concise than JavaScript's 'function' keyword.
square = (x) -> x * x
Array Comprehensions
CoffeeScript supports array comprehensions, allowing for more readable and concise array manipulations.
cubes = (x * x * x for x in [1..10])
String Interpolation
String interpolation in CoffeeScript uses the '#{}' syntax, making it easier to embed expressions within strings.
name = 'world'
greeting = "Hello, #{name}!"
TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. It adds optional static types, classes, and interfaces, making it more suitable for large-scale applications. Unlike CoffeeScript, TypeScript focuses on type safety and tooling support.
Babel is a JavaScript compiler that allows you to use next-generation JavaScript, today. It can transform syntax from ES6/ES7 to ES5, making it compatible with older browsers. Babel focuses on enabling the use of modern JavaScript features, whereas CoffeeScript provides a different syntax altogether.
LiveScript is a language that compiles to JavaScript and is a fork of CoffeeScript. It aims to provide a more powerful and flexible syntax, including features like pattern matching and function composition. LiveScript is more experimental compared to CoffeeScript.
{
} } {
{ { } }
} }{ {
{ }{ } } _____ __ __
( }{ }{ { ) / ____| / _|/ _|
.- { { } { }} -. | | ___ | |_| |_ ___ ___
( ( } { } { } } ) | | / _ \| _| _/ _ \/ _ \
|`-..________ ..-'| | |___| (_) | | | || __/ __/
| | \_____\___/|_| |_| \___|\___|
| ;--.
| (__ \ _____ _ _
| | ) ) / ____| (_) | |
| |/ / | (___ ___ _ __ _ _ __ | |_
| ( / \___ \ / __| '__| | '_ \| __|
| |/ ____) | (__| | | | |_) | |_
| | |_____/ \___|_| |_| .__/ \__|
`-.._________..-' | |
|_|
CoffeeScript is a little language that compiles into JavaScript.
Install Node.js, and then the CoffeeScript compiler: sudo bin/cake install
Or, if you have the Node Package Manager installed: npm install -g coffee-script (Leave off the -g if you don't wish to install globally.)
Execute a script: coffee /path/to/script.coffee
Compile a script: coffee -c /path/to/script.coffee
For documentation, usage, and examples, see: http://coffeescript.org/
To suggest a feature, report a bug, or general discussion: http://github.com/jashkenas/coffee-script/issues/
If you'd like to chat, drop by #coffeescript on Freenode IRC, or on webchat.freenode.net.
The source repository: git://github.com/jashkenas/coffee-script.git
All contributors are listed here: http://github.com/jashkenas/coffee-script/contributors
FAQs
Unfancy JavaScript
The npm package coffee-script receives a total of 565,695 weekly downloads. As such, coffee-script popularity was classified as popular.
We found that coffee-script demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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