CodingBat indexOf

indexOf

Given an array of integers, and a value, return the index of the first occurrence of that value in the array. If the value does not appear in the array, return -1.

indexOf([3, 7, 2], 2) → 2
indexOf([3, 7, 2], 10) → -1
indexOf([8, 8, 5, 1, 4], 8) → 0

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