![]() ![]() Note #2: I’m using !important here to override the existing pages CSS. ![]() Note: Here I am loading the background image from giphy, but it’s entirely possible to load from the extension itself using the web_accessible_resources field of the manifest and this tip from StackOverflow. Since the GIF has a dark background, I set a background colour and inverted the main content areas. I changed the background to a GIF of a unicorn floating through space. This folder needs to contain a few files. So, the first thing to do is to create a folder to hold the chrome extension. Cross-browser compatibility is a valid concern which Userscripts solve ( kind of) but so far, as we are primarily creating demos, targeting only Chrome has not been an issue for us. With Chrome, it’s as simple as clicking a button. Then you’d need to get them to install the userscript. With Userscripts you’d first need to get the user to install a userscript manager. The main reasons for using a Chrome extension are ease of installation and ease of updating. Side note: You may be thinking “Why not just use Userscripts?” which is a good question. In this blog post, I will create a Chrome extension that modifies this blog to set a custom background and to modify the HTML. There are, however, many other applications for this type of extension, such as modifying the styling of a website, hiding an annoying element, auto-populating a form, or clicking something on page load. An example is our Wikipedia similar page Chrome extension. We often use extensions to insert recommendations into websites that don’t currently benefit from Lateral recommendations. It allows one to visualise a demo or feature as if it were in production.The extension shares assets with the page, so matching styling is easy.No access is required to the websites source files.A technique we use to visualise how Lateral recommendations would look and work on a website is to create a Chrome extension that inserts the recommendations at load time. ![]()
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