coffee script part one

COFFEESCRIPTMax Peng

@make_dream hwpeng@thoughtworks.com

P a r t o n e - b a s i c

HISTORY

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HISTORY

➡Dec 13, 2009, Jeremy Ashkenas made the first commit; ➡Dec 24, 2009, first release - 0.1.0; ➡Feb 21, 2010, version - 0.5, replaced Ruby compiler with pure CoffeeScript; ➡Dec 24, 2010, version - 1.0.0, announced for the first time; ➡Apr 13, 2011, CoffeeScript support is included in RoR version 3.1; ➡Oct 14, 2015, version - 1.10.0, 4051 commits, 62 releases, 182 contributors;

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GETTING STARTED

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Installation: npm install -g coffee-script

Execute a script: coffee /path/to/script.coffee

Compile a script: coffee -c /path/to/script.coffee

Or: http://coffeescript.org/

GETTING STARTED

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SYNTAX

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HELLO WORLD

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FUNCTIONS

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OBJECTE

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ARRAY

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IF-ELSE & UNLESS & IF-THEN-ELSE

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SWITCH CASE

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LIST COMPREHENSION

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OPERATORS AND ALIASES

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PATTERN MATCHING

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EXISTENTIAL OPERATOR

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CLASS

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THANKS

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QUESTIONS

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➡ Difference between -> and => ➡ …(arguments object)

REFERENCES

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➡https://en.wikipedia.org/wiki/CoffeeScript ➡http://coffeescript.org/ ➡https://github.com/jashkenas/coffeescript