Chrome extension set icon4/24/2023 This gets handled in the permissions properties. Here is an example of the manifest file we'll be using:Įnter fullscreen mode Exit fullscreen modeĪ key function of the manifest file is defining what our Chrome extension is capable of doing. There are two ways of including the foreground script in a Chrome extension: through the manifest (which we won't do in this tutorial) and programmatically (which we will do in this tutorial). Notice I didn't include the foreground location here. In here we define where our background, popup, and options components are located in our file directory. For this tutorial, we're working with manifest version 3 think of it like the software version. Here we list the name, description, icons, and manifest version-among other things-of our Chrome extension. Now that we know the big 5, let's go in-depth one component at a time. For now, think of it like any other JS script that you can attach to the website the user is viewing. It's a special case and is a bit more complicated than the other files. This is another way users can interact with your extension-also like a front-end. The user sees this page when they right click on your extension icon and choose for the options. This is one of the ways users can interact with your extension-like a front-end. This is an HTML page users see when they click on the extension icon in the menu bar. The background script can act like a back-end environment. You have the back-end that handles heavy programming logic and you have the front-end that takes in user input-the clicking of buttons, entering of information, etc. One way to think of Chrome extension development is like full-stack web development Think of it like the mainframe or hub of a Chrome extension. You list things like: your extensions name a description which files or libraries you're including and permissions your extension needs. It's a JSON file that describes the behavior of a Chrome extension. This is the ledger of a chrome extension. Let's go over them briefly, then in-depth. There Are 5 Major Components to Building a Chrome Extension You can get the source files here to follow along. ![]() ![]() If you need an easy to follow along video tutorial, you can purchase How To Build a Chrome Extension Manifest V3 over on our Teachable platform. How To Build A Chrome Extension NEW Manifest V3
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