Subj : Re: console.getkeys
To   : Digital Man
From : Mortifis
Date : Thu Aug 08 2019 09:43 am

 >   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
 >  >  >  Mo> it 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

Thank you, I am still learning JS/C :\ I ended up using if(isNaN(lookup)) { ...
} block.  I am sure typeof is more flexible :-)


My doctor said I have the body of a 25 year old ... and the mind of a 10 :-/

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