How-to guide for the esoteric cheevos in Cheevos for Firefox (Part 1)
There are a few cheevos in Cheevos for Firefox that are esoteric and hard to win through normal interactions with the browser.
One example is the Yo Dawg cheevo. The hint for this cheevo is, “I heard you like browsers”. If you’ve ever seen MTV’s Pimp My Ride television show, you may recall Xzibit pimping peoples cars by redecorating their trunk to resemble their favorite hobby. Xzibit would often say lines such as, “Yo dawg, I heard you like basketball, so I put a basketball court in your trunk so you can play basketball even when you’re not at a basketball court.”
Through the power of the internet, this morphed in to a meme that represents recursive levels of repetition. For example, the image on the right could carry along a phrase of, “Yo dawg, I heard you like pizza, so I put a pizza inside of your pizza so you can eat pizza while eating pizza!”.
Well … it turns out that you can actually put Firefox inside of Firefox.
So now you know where the “Yo Dawg” achievement comes from. To see this for yourself, try the following:
- Open Firefox (shame on you if you’re not already)
- Copy and paste this URL in to your address bar:
- chrome://browser/content/browser.xul
- Hit enter
You will now see Firefox running inside of Firefox! This is a pretty cool trick, and it showcases the power of the user-interface programming language that Firefox uses to create itself.
This technology is XUL, pronounced as zool, and is very similar to HTML. Firefox also uses CSS and JavaScript. So with XUL, CSS, and JavaScript, Firefox is very similar to an extremely complicated web page that has more privileges than normal web pages 
I hope you learned something. If you’re not already using Cheevos for Firefox, give it a try today and let me know what you think about it.
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