Values of all the vars change repeatedly at run time based on selections made by the user. For example, var1 is "viewModel.currentCard.fret". The var is always the same but its value changes. Each of the vars has a discrete number of possible values which can be put in a table. Both of my code examples omitted the "" before the "(".
mikemjc
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Apple Staff... please, do you have further comments or an answer?