Fixes use of for..in to iterate over array #40
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The use of `for .. in` to iterate over an array does not work if there are extra functions defined on the prototype of array. Use a naive old school iterator instead. Could use `for .. of` if IE support is not an issue.
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The use of
for .. into iterate over an array does not work if there are extra functions defined on the prototype of array. Use a naive old school iterator instead. Could usefor .. ofif IE support is not an issue.