Examine source code of Jisho.org Search

{
  "name": "Jisho.org Search",
  "version": "1.0.2resigned1",
  "description": "Search for English-Japanese translations on Jisho.org",
  "icons": {
    "16": "icon/icon16.png",
    "48": "icon/icon48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "tabs"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{68d8c9bf-d078-4edb-804f-3bb0809792ba}"
    }
  }
}