Examine source code of KMP Algorithm visualizer

{
  "manifest_version": 2,
  "name": "KMP Algorithm visualizer",
  "version": "1.0",
  "description": "The KMP matching algorithm uses degenerating property (pattern having the same sub-patterns appearing more than once in the pattern) of the pattern and improves the worst-case complexity to O(n). The basic idea behind KMP’s algorithm is: whenever we detect a mismatch (after some matches), we already know some of the characters in the text of the next window",
  "permissions": [],
  "browser_action": {
    "default_popup": "game.html",
    "default_icon": {
      "128": "images/kmp-logo.png"
    }
  },
  "icons": {
    "128": "images/kmp-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{204e8fbd-d041-48ef-a159-c8721e206eb3}"
    }
  }
}