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WordPress Web Application Development - Second Edition by Rakhitha Nimesh Ratnayake

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Open source JavaScript libraries in the WordPress core

Most of the open source JavaScript libraries are located inside the wp-includes/js folder of your WordPress installation. Let's take a look at the following screenshot for JavaScript libraries available with WordPress 4.1:

Open source JavaScript libraries in the WordPress core

As you can see, there are a large number of built-in libraries inside the wp-includes/js folder. WordPress uses jQuery for most of its core features, and hence, there is a separate folder for jQuery-related libraries, for example, jQuery UI, Masonry, jQuery Form plugin, and many more. Developers can use all of these libraries inside their own plugins and themes without duplicating ...

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