YouTube MarkUp ✔️  Did I watch that? Firefox

Examine source code of YouTube MarkUp ✔️ Did I watch that?

By: TheNima
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manifest.json
{
  "manifest_version": 2,
  "name": "YouTube MarkUp",
  "version": "1.0.6",
  "description": "Keep track of the YouTube videos you’ve already watched. This extension adds a checkmark next to watched video titles.",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/1.png",
    "default_title": "YouTube MarkUp"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "512": "icons/1.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{48bce139-8a05-4918-be8e-e5d193c5ed48}"
    }
  }
}

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