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Two Array > Zip > Key, Value Mapping
I'm trying to carefully approach this one as I don't see an elegant way through at first glance. Given two arrays a and b, sized n, how could you create from them a map like so:
{ a[0]: b[0], a[1]: b[1] }
{ a[0]: b[0], a[1]: b[1] }
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Comments
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Is your goal to create the map from the arrays or make the arrays from a map or what? Does this do anything you're after?
const a = [12,15,2,5]; const b = [3,5,7,9]; const count = size(a); var theMap = {}; for (var i = 0; i < count; i += 1) { theMap[a[i]] = b[i]; }
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Yeah that does the job very nicely! I wasn't sure if I was misreading the API for a shorthand of it in method overloads. But this is short enough!0
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Cool! good opportunity to write a function if this is something you need to do often.0
