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Mastering JavaScript Design Patterns - Second Edition by Simon Timms

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Plugins

There are a great number of really impressive JavaScript libraries in the wild. For me the library that changed how I look at JavaScript was jQuery. For others it may have been one of the other popular libraries such as MooTool, Dojo, Prototype, or YUI. However, jQuery has exploded in popularity and has, at the time of writing, won the JavaScript library wars. 78.5% of the top ten thousand websites, by traffic, on the internet make use of some version of jQuery. None of the rest of the libraries even breaks 1%.

Many developers have seen fit to implement their own libraries on top of these foundational libraries in the form of plugins. A plugin typically modifies the prototype exposed by the library and adds additional functionality. The ...

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