chrome extension

mkdir real` without` keyboard` browsing
cd '.\reactNative fullstack\'
ni popup.html
ni popup.js
ni manifest.json
vim manifest.json
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// put a manifest like this:
{
  "manifest_version": 2,

  "name": "GTmetrix Analyzer Plugin",
  "description": "This extension will analyze a page using GTmetrix",
  "version": "1.0",

  "browser_action": {
   "default_icon": "icon.png",
   "default_popup": "popup.html"
  },
  "permissions": [
   "activeTab"
   ]
}
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vim popup.html
vim popup.js
# in chrome://extensions check “Developer mode” to enable loading unpacked extensions. This will allow you to load your extension from a folder. Finally, click “Load unpacked extension” or simply drag the “GTmetrix Extension” folder onto the page to load up the extension.

 

1- create a