{
  // Required
  "manifest_version": 2, // manifest 版本号，这里都写 2 就好了，从 Google Chrome 18 开始，就开始升级到 2 版本了
  "name": "My Extension",
  "version": "1.0.0", // 扩展程序版本，这个是自定义的，建议参考 semver 规范(http://semver.org/)

  // Recommended
  "default_locale": "zh", // 默认语言，具体可以看 i18n 文档(https://developer.chrome.com/extensions/i18n)
  "description": "A plain text description", // 项目描述
  "icons": { // icon，不同的位置支持不同大小的 icon，具体看文档(https://developer.chrome.com/extensions/manifest/icons)
    "128": "icons/icon_128.png",
    "48": "icons/icon_48.png",
    "16": "icons/icon_16.png"
  },

  // Pick one (or none)
  "browser_action": { // 多数都是使用这个，插件扩展程序针对的是浏览器行为（图标是在地址栏外面）
    "default_icon": "icons/24.png", // 最佳大小为19*19，地址栏上的插件扩展程序的 icon（一般作为主入口）
    "default_popup": "popup.html", // 点击插件扩展程序 icon 后弹出来的窗口的主页面 html
    "default_title": "extentsions demo" // 当鼠标放到扩展程序图标上时显示的文字
  },
  "page_action": { // 插件扩展程序针对的是页面行为（图标是在地址栏里面的）
    ...
  },

  // Optional
  "author": ...,
  "automation": ...,
  "background": {
    // Recommended
    "persistent": false
  },
  "background": {
    "scripts": ["eventPage.js"],
    "persistent": false
  },
  "chrome_settings_overrides": {...},
  "chrome_ui_overrides": {
    "bookmarks_ui": {
      "remove_bookmark_shortcut": true,
      "remove_button": true
    }
  },
  "chrome_url_overrides": {...},
  "commands": {...},
  "content_capabilities": ...,
  "content_scripts": [{...}],
  "content_security_policy": "policyString",
  "converted_from_user_script": ...,
  "current_locale": ...,
  "declarative_net_request": ...,
  "devtools_page": "devtools.html",
  "event_rules": [{...}],
  "externally_connectable": {
    "matches": ["*://*.example.com/*"]
  },
  "file_browser_handlers": [...],
  "file_system_provider_capabilities": {
    "configurable": true,
    "multiple_mounts": true,
    "source": "network"
  },
  "homepage_url": "http://path/to/homepage",
  "import": [{"id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"}],
  "incognito": "spanning, split, or not_allowed",
  "input_components": ...,
  "key": "publicKey",
  "minimum_chrome_version": "versionString",
  "nacl_modules": [...],
  "oauth2": ...,
  "offline_enabled": true,
  "omnibox": {
    "keyword": "aString"
  },
  "optional_permissions": ["tabs"],
  "options_page": "options.html",
  "options_ui": {
    "chrome_style": true,
    "page": "options.html"
  },
  "permissions": ["tabs"],
  "platforms": ...,
  "plugins": [...],
  "requirements": {...},
  "sandbox": [...],
  "short_name": "Short Name",
  "signature": ...,
  "spellcheck": ...,
  "storage": {
    "managed_schema": "schema.json"
  },
  "system_indicator": ...,
  "tts_engine": {...},
  "update_url": "http://path/to/updateInfo.xml",
  "version_name": "aString",
  "web_accessible_resources": [...]
}