# jQuery FAQs

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## What is jQuery?

jQuery is a library of the JavaScript functions that you're most likely to need as you develop websites.

## Why use jQuery?

Three reasons:

- It's free.
- It lets you get more done in less time.
- All of its functions are cross-browser compatible.

## Which is harder to learn: jQuery or JavaScript?

For most functions, jQuery is significantly easier to learn and use than JavaScript. But remember that jQuery is JavaScript.