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CoffeeScript will ship with Rails 3.1 to replace RJS as the preferred way to dynamically generate JavaScript. It's a new language that take the best parts of Ruby, Python, and others to ease the worst parts of JavaScript. More than being the new kid on the Rails block however, CoffeeScript is mind-expanding in ways that will make you remember the first time you ever gave Ruby a try. This presentation will take you through the basics of CoffeeScript, starting with a crash course in syntax, all the way to a working application. Help us caption & translate this video! http://amara.org/v/FGbx/
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In this presentation titled "Much Ado About CoffeeScript," Matt Thompson discusses the significance of CoffeeScript as a key feature in the upcoming release of Rails 3.1. The talk highlights how CoffeeScript will replace RJS as the preferred method for dynamically generating JavaScript within the Rails framework, emphasizing its advantages as a cleaner and more efficient way to write JavaScript code. Key points discussed include: - **Introduction to CoffeeScript**: CoffeeScript is described as a language that simplifies JavaScript by compiling it down into JavaScript, effectively removing syntactical clutter. - **Installation and Setup**: The process begins with installing Node.js, followed by the Node package manager (NPM), and finally, installing CoffeeScript itself using a command in the terminal. - **Integration with Rails**: Advice on how to integrate CoffeeScript into a Rails application by modifying the Gemfile and properly organizing the CoffeeScript files. - **Syntax Changes**: CoffeeScript reduces the amount of code needed to accomplish the same tasks as JavaScript. Notable changes include removing curly braces, semicolons, and function keywords, in favor of a more succinct syntax. Examples are provided to illustrate these transformations. - **Notable Features**: New features in CoffeeScript such as lexical scoping, default arguments, string interpolation, and classes are discussed. Thompson highlights how these features contribute to clearer and more maintainable code. - **Historical Context**: The speaker provides insights into the relationship between JavaScript and Ruby and their evolving synergy through tools like CoffeeScript. This historical backdrop helps understand the growing community collaboration between the two languages. - **Conclusion and Call to Action**: Thompson encourages programmers to explore and adopt CoffeeScript, leveraging its capabilities to improve their web development workflow. The talk concludes with an invitation for questions, emphasizing the importance of the community in sharing knowledge and experiences using CoffeeScript. Overall, this presentation serves not only to inform about the technical aspects of CoffeeScript but also to inspire practitioners to build connections and projects that utilize this powerful language.
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