How to Create a Chrome Extension - JavaScript Tutorial

In this video I convert a simple JavaScript script that I have been running from Snippets and the Console into an Extension that allows me to right click on the page and insert data into a field.

Previous video in this series:

youtu.be/l4D3MGg2iMI

JavaScript Tutorial Creating a CounterString tool in Chrome Browser Dev Tools Snippets


You will learn:

- how to convert existing javascript code into a Chrome Extension
- the basic structure of an extension, manifest.json, background script and content scripts
- permissions in extensions: contextMenus, activeTab
- how to create context menus for extensions
- how to change where context menus are displayed: contexts, editable
- why to use a persistent background script
- how to dynamically inject content scripts into a page using executescript
- how to use listeners with context menus

The source code is on github:

github.com/eviltester/counterstringjs

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