Message function allows you to send a message to an extension using your browser’s messaging capabilities. We must call it from the service worker/background script because our method cannot be called from the content script. The method takes an array of options as the first parameter, and a callback function as the second, and we’ll use it to download the screenshot. The ImageCapture API will be used to take a screenshot. A stream id property is added to the stream and the name of the message received is equal to the name of the stream, which is specified in this code as an onMessage event. The target tab can be defined as an optional method, and the callback returns the stream id if it is required.
We will specify the source types by using the first parameter screen, window, and tab. The following will be added to the manifest when using onClicked event listeners. The icons used in this extension are from Iconscout’s BZZRICON Studio.
To learn Javascript for this tutorial, you must first master some of its features. In this tutorial, we’ll show you how to create an extension that will allow you to take a screenshot by clicking the toolbar’s icon. once you’ve captured what you need, you can save the screenshot as an image or PDF. from here, you can capture the entire screen, a specific region, or just a single window. a new tab will open up with the screenshot extension. click on this icon whenever you want to take a screenshot. once the extension has been added, you will see a new icon in your Chrome toolbar. a variety of screenshot extensions will come up- select the one you want and click “Add to Chrome.” 3. first, open the Chrome web store and search for “screenshot” in the top left corner. Here’s a quick guide on how to add a screenshot extension to Chrome: 1. Adding a screenshot extension to Chrome can be a great way to save time and energy when you need to take a snapshot of something on your screen.
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