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As you probably guessed, JavaScript is a fairly complex language with many functions and capabilities.

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To proficiently become familiar with all of Java scripts, unique features.

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It would likely take years of practice in what may seem like endless coding.

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To significantly simplify the coding process, developers have created JavaScript libraries that contain

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many commonly used functions and methods that you can simply call when needed.

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You might recall we explored some basic functions in the JavaScript course that we programmed ourselves.

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We developed blocks of code to perform particular tasks.

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One such library and perhaps the most widely used is known as J.

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Query, the J.

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Query library contains many features, including HMO manipulation, CSF manipulation effects and animations

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and AJAX capabilities.

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In this section of the course, we will explore Jake query and provide examples of many of the powerful

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features this library has to offer.

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It's important to note that many of the biggest companies are currently using J query in their Web applications.

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Companies such as Google, Microsoft and IBM.

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Jake Query allows you to harness and unleash the full power of modern day Web development.