Hi - I'm afraid that's something that'll be in version 2v05. You could flash a 'cutting edge' firmware version from here though which would have it in: http://www.espruino.com/binaries/travis/master/
Generally if you want it out the way on earlier versions you'd use something like LoopbackA.setConsole() which is almost like null - although it does use a bit more memory.
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Hi - I'm afraid that's something that'll be in version 2v05. You could flash a 'cutting edge' firmware version from here though which would have it in: http://www.espruino.com/binaries/travis/master/
Generally if you want it out the way on earlier versions you'd use something like
LoopbackA.setConsole()
which is almost like null - although it does use a bit more memory.