In my case, I’m concerned with accessibility on the web and I’ve already spent some time thinking about how to make a breakout game accessible using web audio and SVG, for instance. We’ll see that, with a few lines of code, we can create some powerful features in the browser. Let’s build a proof of concept - an extension that uses artificial intelligence (AI) and computer vision to help the blind analyze images on a web page. Don’t worry: Building one is simple and straightforward. So, if you’ve never built an extension before or don’t know how it works, have a quick look at those resources. Microsoft (also, see the great overview video “ Building Extensions for Microsoft Edge”).
I won’t cover the basics of extension development because plenty of good resources are already available from each vendor: Note: We won’t cover Safari in this article because it doesn’t support the same extension model as others. Edge, Chrome, Firefox, Opera, Brave and Vivaldi), and provide some simple tips on how to get a unique code base for all of them, but also how to debug in each browser. I’ll explain how you can install this extension that supports the web extension model (i.e. Indeed, the Chrome extension model based on HTML, CSS and JavaScript is now available almost everywhere, and there is even a Browser Extension Community Group working on a standard. In today’s article, we’ll create a JavaScript extension that works in all major modern browsers, using the very same code base.
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