Examine source code of HTML table to csv

{
  "manifest_version": 2,
  "name": "HTML table to csv",
  "description": "This extension convert html tables to csv files.",
  "version": "1.1",
  "browser_action": {
    "default_icon": "img/logo.png",
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/jquery.min.js",
        "js/content.js"
      ]
    }
  ],
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "<all_urls>",
    "activeTab",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{44a06445-a78d-416f-a474-f0ccc72285be}"
    }
  }
}