JavaScript Tutorial/Development/postError
opera.postError
<source lang="javascript">
<html>
<head> <title>Debug Example</title> <script type="text/javascript"> function test_function() { opera.postError("Entering function."); opera.postError ("Leaving function."); } test_function();
</script> </head> <body>
This example works in Opera only.
</body>
</html></source>