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CoffeeScript Programming with jQuery, Rails, and Node.js by Michael Erasmus

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Chapter 3. CoffeeScript and jQuery

jQuery is a cross-browser compatible library designed to simplify the life of an HTML application developer. It was first released by John Resig in 2006 and has since become the most popular JavaScript library in the world, and is used in millions of websites.

Why did it become so popular? Well, jQuery has a couple of nice features like easy DOM manipulation and querying, event handling, and animation, as well as AJAX support. All these combined together makes programming against the DOM and programming in JavaScript much better.

The library has also been highly optimized in terms of cross-browser compatibility and speed and thus using jQuery's DOM traversal and manipulation functions not only save you from writing ...

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