I made my first bookmarklet! Simple, yes, but a good step in the right direction of learning more JavaScript. It's basic functionality is to create an alert box that displays the page title and how many images are on that page:

Title/Images Bookmarklet

Drag this link to your bookmark bar and try it on any webpage!

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Thanks to Matthew Reidsma for teaching us useful JS tricks through his course Customizing Vendor Interfaces for Better User Experience! I'm garnering confidence to dominate JavaScript this year.