Subj : Re: console.getkeys
To   : Mortifis
From : Digital Man
Date : Wed Jul 24 2019 03:36 pm

  Re: Re: console.getkeys
  By: Mortifis to echicken on Wed Jul 24 2019 06:52 pm

 >  >   Re: console.getkeys
 >  >   By: Mortifis to All on Wed Jul 24 2019 16:39:55
 >
 >  >  Mo> I have if(js.global.console) lookup = console.getkeys("HSOQ",
 >  >  Mo> lastuser); where lastuser=system.lastuser... if entering a number it
 >  >  Mo> throws a !Javascript TypeError:
 >
 >
 > perhaps I should run a condition check similar to if(lookup == [whatever ||
 > ... keys are in getkeys)) before I lookup.toUpperCase ... though before it
 > was lookup = readln() and there was no error

readln() returns either a string or undefined. undefined.toUpperCase() would also throw a JS exception.

You might want to use typeof in this case to be sure your variable is a string before you start treating it like a string.

                                            digital man

This Is Spinal Tap quote #29:
I find lost luggage. I locate mandolin strings in the middle of Austin!
Norco, CA WX: 97.2øF, 29.0% humidity, 14 mph NE wind, 0.00 inches rain/24hrs

.