Examine source code of rAndoM capitAliSAtiOn

{
  "manifest_version": 2,
  "name": "rAndoM capitAliSAtiOn",
  "short_name": "RandomCaps",
  "options_page": "options.html",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "version": "0.0.1",
  "description": "Randomly capitalise the text on every web page. Why? Why not?",
  "icons": {
    "16": "images/randcaps16.png",
    "48": "images/randcaps48.png",
    "128": "images/randcaps128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "randcaps.js"
      ],
      "run_at": "document_end"
    }
  ]
}