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The Little Book on CoffeeScript (First ed.). function baz () : Cite journal requires |journal= ( help) To compute the body mass index in JavaScript, one could write:
#Coffee script to js code#
Many unnecessary parentheses and braces can be omitted for example, blocks of code can be denoted by indentation instead of braces, function calls are implicit, and object literals are often detected automatically. As in Perl, these control statements also have postfix versions for example, if can also be written in consequent if condition form.
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On September 18, 2017, version 2.0.0 was introduced, which "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."Īlmost everything is an expression in CoffeeScript, for example, if, switch and for expressions (which have no return value in JavaScript) return a value. It is developed by Brendan Eich in the year of 1995 in 10 days. On December 24, 2010, Ashkenas announced the release of stable 1.0.0 to Hacker News, the site where the project was announced for the first time. At present, JavaScript is the fastest mainstream dynamic language available, and it is known as the lingua franca of the web. By that time the project had attracted several other contributors on GitHub, and was receiving over 300 page hits per day. On February 21, 2010, he committed version 0.5, which replaced the Ruby compiler with a self-hosting version in pure CoffeeScript. On December 24, he made the first tagged and documented release, 0.1.0. On December 13, 2009, Jeremy Ashkenas made the first Git commit of CoffeeScript with the comment: "initial commit of the mystery language." The compiler was written in Ruby.