Examine source code of CSDN_CLEANER

{
  "author": "加号减减号",
  "homepage_url": "https://addons.mozilla.org/zh-CN/firefox/addon/csdn_cleaner/",
  "manifest_version": 2,
  "name": "CSDN_CLEANER",
  "version": "1.4.2resigned1",
  "description": "移除 CSDN 博客页面杂乱信息，专注于内容阅读，提升阅读体验",
  "content_scripts": [
    {
      "matches": [
        "*://blog.csdn.net/*"
      ],
      "js": [
        "cleaner.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8537be35-53d7-4b62-976f-11f190f9dc73}"
    }
  }
}