Deep Thought Tabs for Firefox adds funny, profound observations in newly opened empty tabs, with fresh images each time.<p>* Few interesting bits of code:<p><pre><code> - Fisher-Yates shuffle algorithm.
- Ken-Burns effect.
- Visual (image-preview) tooltips in CSS+JS.
- Asynchronous XMLHttpRequest.
</code></pre>
* Checkout the source at <a href="https://github.com/TheCodeArtist/deep-thought-tabs/tree/master/addon-src" rel="nofollow">https://github.com/TheCodeArtist/deep-thought-tabs/tree/mast...</a>
to learn creating webextension addons for Firefox in pure JavaScript (no external libs).