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Question by Xavier78 · Mar 28, 2015 at 10:21 PM · javascriptfor-loop

for loop not working if I start at the end number.

So I have this for loop

public var Directions : boolean[];

for (var U : int = 9; U >= 9 && U ]

but when !Directions[11] or !Directions[10, 11] it doesn't do the loop, but lets say !Directions[9] or !Directions[9, 10] or !Directions[9, 10, 11] it works.

I think the problem is that it reads 9 first and if that is falls it stops there, but I need it to go through the full loop, not just the first one.

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avatar image Pharaoh_ · Mar 28, 2015 at 10:24 PM 0
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Have you tried U>9 && U

avatar image Xavier78 · Mar 28, 2015 at 10:27 PM 0
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so I am checking a boolean aray, to see if the booleans 9-11 are false, but if lets say 9 is true but 10 and 11 are false, it will stop at 9, and not do the loop for 10 and 11.

avatar image Pharaoh_ · Mar 28, 2015 at 10:29 PM 0
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Try moving !Directions[U] in the loop (not in the actual statement) and use "continue;". Increment by i++ for every one found and print the i outside of the loop to see how many were found.

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Answer by maccabbe · Mar 29, 2015 at 01:28 AM

If you want to go from 9 to 11 and not halt the for loop due to a condition such as !Direction[U] then don't use the condition as a condition for the for loop. Instead use it as a condition for an if statement inside the for loop i.e.

 for (var U : int = 9; U >= 9 && U <= 11; U++){
     if(!Directions[U]){
         // code here
     }
 }
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