Examine source code of TV2-Filter

{
  "manifest_version": 2,
  "name": "TV2-Filter",
  "version": "1.2.0",
  "description": "Filters the content from TV2 based on news categories. Currently removes news related to Håndbold and X-factor",
  "content_scripts": [
    {
      "matches": [
        "*://*.tv2.dk/*"
      ],
      "js": [
        "cleaner.js"
      ]
    }
  ]
}