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Chrome Extensions Tutorial: Reading time - Chrome Developers

developer.chrome.com · 1,470 words · saved by 1 readers

Learn how to insert an element on each page.

Home Docs Chrome Extensions Get started Run scripts on every page Stay organized with collections Save and categorize content based on your preferences. Create your first extension that inserts a new element on the page. Overview This tutorial builds an extension that adds the expected reading time to any Chrome extension and Chrome Web Store documentation page. Reading time extension on the extension's Welcome page. In this guide, we're going to explain the following concepts: The extension manifest. What icon sizes an extension uses. How to inject code into pages using content scripts . How

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