errata.md

Building Browser Extensions Errata

Note: These page numbers match the print edition. eBook editions may differ.

Page 123

The example is missing quotes around the URL. It should read:

{
  ...
  "chrome_settings_overrides": {
    "startup_pages": [
      "https://www.buildingbrowserextensions.com"
    ]
  }
}

Page 129

The paragraph should read:

For all command identifiers that do not match the reserved commands, the key shortcut will dispatch a command event to all listeners of commands.onCommand().

Page 139

ruleset_2 should point to ruleset_1.json

declarative_net_request": {
  "rule_resources": [
    {
      "id": "ruleset_1",
      "enabled": true,
      "path": "ruleset_1.json"
    },
    {
      "id": "ruleset_2",
      "enabled": false,
      "path": "ruleset_1.json"
    }
  ]
}

Page 179

popup.js with forbitten eval()

should be

popup.js with forbidden eval()