Error Console: Difference between revisions

Latest revision as of 20:54, 30 April 2009

See Error Console at developer.mozilla.org.

@@ Line 1: / Line 1: @@
-You can output information to console using the following method:
+See [https://developer.mozilla.org/en/Error_Console Error Console] at developer.mozilla.org.
-<ol>
+[[Category:Redirects]]
-<li>Declare a global variable (but be sure to use an [[Dev : Javascript coding guidelines|unique identifier]]!):
-<pre>var gConsoleService = Components.classes['@mozilla.org/consoleservice;1']
-                    .getService(Components.interfaces.nsIConsoleService);</pre>
-(note, you can also use <tt>toJavaScriptConsole()</tt> function to open JavaScript console on startup)
-</li>
-<li>Define a function:
-<pre>function myExt_logMessage(aMessage) {
-  gConsoleService.logStringMessage('My extension: ' + aMessage);
-}</pre>
-</li>
-<li>Use it like here:
-<pre>myExt_logMessage("Initialized.");</pre>
-</li>
-</ol>
-See also: [[Dev : Tips : Enabling dump|Using dump()]], [http://www.mozilla.org/projects/xpcom/using-consoleservice.html Using Console Service].