:trace  Toggles the JavaScript tracer    It supports the following arguments:     --logMethod to be set to ‘console’ for logging to the web console (the default), or ‘stdout’ for logging to the standard output,     --prefix Optional string which will be logged in front of all the trace logs,     --help or --usage to show this message.
:trace  Přepina slědowak JavaScript    Podpěruje slědowace argumenty:     --logMethod, kotryž dyrbi so na ‘console’ nastajić, zo by so do webkonsole protokolował (standard), abo ‘stdout’, zo by do standardneho wudaća protokolował,     --prefix Znamješkowy rjećazk na přeće, kotryž so před wšěmi protokolemi slědowanja protokoluje,     --help abo --usage, zo by so zdźělenka pokazała.