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Error Console

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Revision as of 13:01, 4 October 2004

You can output information to console using the following method:

  • Declare global variable gConsoleService: var gConsoleService;
  • Initialize it on load: gConsoleService = Components.classes['@mozilla.org/consoleservice;1'] .getService(Components.interfaces.nsIConsoleService); (note, you can also use toJavaScriptConsole() function to open JavaScript console on startup)
  • Define a function: function MyApp_logMessage(aMessage) { gConsoleService.logStringMessage('MyApp: ' + aMessage); }
  • Use it like here: MyApp_logMessage('Initialized.');

See also: Using dump()

Reference: [1]