A CoffeeScript introduction presentation, which deals about the basic and basic concepts of CoffeeScript.

1. A Small Introduction..!

2. Who am I?
• rampicos.wordpress.com
• twitter.com/rampicos
• facebook.com/raamkumar.m
• Code
• Ramkumar Murugadoss

3. What is CoffeeScript
• CoffeeScript is a little language that aims to
give you easy access to the good parts of
JavaScript
• One-third less code in order to generate the
same JavaScript

4. Why CoffeeScript
• Increases readability
• Eliminates syntactic clutters
• Very less number of code lines to get much
more javascripts
• Get to know, because it is really popular

5. History
• On Christmas Day 2009, Jeremy Ashkenas first
released CoffeeScript
• On Christmas 2010 CoffeeScript 1.0 get
released, with this release CoffeeScript
became one of Github’s “most-watched”
projects
• In 2011, CoffeeScript was included in Ruby on
Rails 3.1

6. How it gets so much Popularity
• The good parts like super functions, classes,
etc.. are still there
• The Compiler is present to help
• It is all so clear

7. Setting Env
• Install Node.js for your platform
• Goto Terminal/CMD
• Execute “npm install -g coffee-script”
• Use “coffee -v” to check CoffeeScript works
and to know the version

8. All set
• “coffee –c <filename.coffee>” to compile
coffee file to js file
• “coffee -o output/folder -c Coffee/files/folder”
to bulk compile coffee files to js files and store
in specified folder

9. Ready to Code
• You don't need to declare variables with var
• You don't need to use semicolons ;
• Instead of using curly braces { } to surround
blocks of code with indentation
• Use @ for this
• Use -> for function definition
• Assign default values from function arguments

10. Some Examples

12. Much more
• Functions
• Objects and Arrays
• Lexical Scoping and Variable Safety
• If, Else, Unless, and Conditional Assignment
• Splats...
• Loops
• Array Slicing and Splicing
• Classes, Inheritance, and Super

13. With jQuery
Or

14. Or
Or

15. Time is Yours