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coffeescript.org
We are pleased to announce CoffeeScript 2! This new release of the CoffeeScript language and compiler aims to bring CoffeeScript into the modern JavaScript era, closing gaps in compatibility with JavaScript while preserving the clean syntax that is CoffeeScript’s hallmark. In a nutshell: The CoffeeScript 2 compiler now translates CoffeeScript code into modern JavaScript syntax. So a CoffeeScript =
A very simple Read-Eval-Print-Loop. Compiles one line at a time to JavaScript and evaluates it. Good for simple tests, or poking around the Node.js API. Using it looks like this: coffee> console.log "#{num} bottles of beer" for num in [99..1]
The CoffeeScript parser is generated by Jison from this grammar file. Jison is a bottom-up parser generator, similar in style to Bison, implemented in JavaScript. It can recognize LALR(1), LR(0), SLR(1), and LR(1) type grammars. To create the Jison parser, we list the pattern to match on the left-hand side, and the action to take (usually the creation of syntax tree nodes) on the right. As the par
cake is a simplified version of Make (Rake, Jake) for CoffeeScript. You define tasks with names and descriptions in a Cakefile, and can call them from the command line, or invoke them from other tasks. Running cake with no arguments will print out a list of all the tasks in the current directory's Cakefile.
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. The golden rule of CoffeeScript is: “It’s just JavaScript.” The code compiles one-to-one into the equivalent JS, and there is no interpretation at runtime. You can u
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