Find Index
ARRAY

Problem

Given an array of integers numbers and an integer target, return the index of target in numbers. If target is not present in the array, return -1.

Examples:

myFindIndex([1, 9, 5, 15], 5) // 2 // numbers[2] = 5, so the target indice is 2. myFindIndex([1, 9, 5, 15], 15) // 3 myFindIndex([1, 9, 5, 15], 4) // -1
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