Array Has -1 index

i have 3 arrays created tags in xml file, part works fine.

each index corresponds each other, i.e. [0] of each dashburst (the animation), 1000 (the low damage range), , 2500 (the high damage range), respectively.

but when function chooses dashburst, , use trace statement find it's index, puts out -1.

this means can't damage values (speciallist.indexof('dashburst')).

what going on?

if -1 result of using indexof method means item sought not exist in array.

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