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Objective
Write the `sum` function which returns the sum of all numbers in an array.
You can assume there are only numbers in the array, but not that the array isn't empty! If the array is empty, you should return 0.
For example:
`sum([1, 2, 3]) => 6`
`sum([]) =>
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Sum
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function sum(array) {
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3 points
Write the sum function which returns the sum of all numbers in an array.
You can assume there are only numbers in the array, but not that the array isn’t empty! If the array is empty, you should return 0.
For example:
sum([1, 2, 3]) => 6
sum([]) => 0
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JavaScript (function)