Table of Contents
Overview Installation Usage Literate CoffeeScript Language Reference Literals: Functions, Objects and Arrays Lexical Scoping and Variable Safety If, Else, Unless, and Conditional Assignment Splats… Loops and Comprehensions Array Slicing and Splicing Everything is an Expression Operators and Aliases Existential Operator Classes, Inheritance, and Super Destructuring Assignment Bound and Generator Functions Embedded JavaScript Switch and Try/Catch Chained Comparisons String Interpolation, Block Strings, and Block Comments Tagged Template Literals Block Regular Expressions Modules Cake, and Cakefiles Source Maps "text/coffeescript" Script Tags Books, Screencasts, Examples and Resources Change Log
Try CoffeeScript 

        
Run

        
        

      

    

  

  

    

      Annotated Source
    

    

      Grammar Rules — src/grammar
      Lexing Tokens — src/lexer
      The Rewriter — src/rewriter
      The Syntax Tree — src/nodes
      Lexical Scope — src/scope
      Helpers & Utility Functions — src/helpers
      The CoffeeScript Module — src/coffee-script
      Cake & Cakefiles — src/cake
      “coffee” Command-Line Utility — src/command
      Option Parsing — src/optparse
      Interactive REPL — src/repl
      Source Maps — src/sourcemap
    

  






  
    <%= htmlFor('introduction') %>
    <%= htmlFor('overview') %>
  
    <%= htmlFor('installation') %>
  
    <%= htmlFor('usage') %>
  
    <%= htmlFor('literate') %>
  
    <%= htmlFor('language') %>
    
      <%= htmlFor('functions') %>
    
      <%= htmlFor('objects_and_arrays') %>
    
      <%= htmlFor('lexical_scope') %>
    
      <%= htmlFor('conditionals') %>
    
      <%= htmlFor('splats') %>
    
      <%= htmlFor('loops') %>
    
      <%= htmlFor('slices') %>
    
      <%= htmlFor('expressions') %>
    
      <%= htmlFor('operators') %>
    
      <%= htmlFor('existential_operator') %>
    
      <%= htmlFor('classes') %>
    
      <%= htmlFor('destructuring') %>
    
      <%= htmlFor('fat_arrow') %>
    
      <%= htmlFor('embedded') %>
    
      <%= htmlFor('switch') %>
    
      <%= htmlFor('try') %>
    
      <%= htmlFor('comparisons') %>
    
      <%= htmlFor('strings') %>
    
      <%= htmlFor('tagged_template_literals') %>
    
      <%= htmlFor('heregexes') %>
    
      <%= htmlFor('modules') %>
  
    <%= htmlFor('cake') %>
  
    <%= htmlFor('source_maps') %>
  
    <%= htmlFor('scripts') %>
  
    <%= htmlFor('books') %>
  
    <%= htmlFor('screencasts') %>
  
    <%= htmlFor('examples') %>
  
    <%= htmlFor('resources') %>
  
    <%= htmlFor('chat') %>
  
    <%= htmlFor('changelog') %>