arraysjavascript get the last du

arrays - javascript get the last duplicate value index javascript - Stack Overflow
I have an array to be like this var arr = [0, 0, 0, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5,
arraysjavascript get the last duplicate value index javascriptStack Overflow
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