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Review: jQuery Introduction

That’s just a taste of what you can do with jQuery. While there’s still a lot to learn, in this unit you used jQuery to add dynamic behavior to a website. With jQuery objects, you can quickly target elements, handle events and add visual effects with just a few lines of code.

That said, when using any jQuery tools, it is important to consider how events and effects will appear on different platforms.

In this lesson, you learned:

  • About JavaScript libraries.
  • How to add jQuery to your web page.
  • How to avoid loading errors with the .ready() method.
  • About jQuery objects and their methods.
  • How to target elements by id and class.
  • Naming conventions for storing jQuery objects in JavaScript variables.
  • How to add event handlers with .on().
  • A couple jQuery effects, such as .hide() and .show().

Nice work!

Instructions

In main.js, we added another .on() callback function, this time on the $navDropdown object.

We passed it 'mouseleave' with a callback function that hides the $navDropdown object. Before you run the code, read through it and predict the behavior this code causes in the web page.

When you’re ready, run the code.

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