Hi, I am Trishul

Cross Browser Extensions

Scotland JS
@trishulgoel
WHAT

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One size fits All


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WHY?

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bcoz JAVASCRIPT

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What can an extension do?

@trishulgoel
- Take Notes!
- Create Alarms!
- Block Ads!
- ColorPicker!
- Debug your website!
- Autocorrect!
- ++++++++

@trishulgoel

Anything you want!!!
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HOW?

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Structure of an extension

Manifest.json
Content Scripts
Background Scripts
Page action
Browser action
Options page
Web accessible resources
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@trishulgoel
Content Scripts

javascript that executes once the page load is complete
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Background Scripts

Javascript that executes in background :P
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Page Action



Browser Action
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Options Page
A HTML page which helps to set extension's preferences

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Webextension APIs

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Tabs API


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Notifications API

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Notifications API


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BrowserAction API

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BrowserAction API


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webRequest API


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Lets get started
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LINK PAINTER
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WORD COUNTER
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SECURITY
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DEBUGGING
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about:debugging
Load temporary addon
Select manifest.json

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chrome://extensions
Load Unpacked
Select extension Folder

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TOOLS
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WEB-EXT
A command line tool designed to speed up extension development process





@trishulgoel

webextensions.tech
@trishulgoel

http://bit.ly/publishAddon
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Resources
- http://bit.ly/webextensions
- http://bit.ly/webexttutorials
- http://bit.ly/web-ext
- http://bit.ly/publishAddon
@trishulgoel

@trishulgoel

Cross browser extensions - ScotlandJS
By Trishul Goel
Cross browser extensions - ScotlandJS
Cross browser extensions - lets create one | Scotland JS
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