| 1 | /**
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| 2 | * The [product](https://en.wikipedia.org/wiki/Product_(mathematics)) of an array
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| 3 | * is the result of multiplying all numbers together, starting using one as the multiplicative identity.
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| 4 | *
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| 5 | * This runs in `O(n)`, linear time, with respect to the length of the array.
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| 6 | *
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| 7 | * @param {Array<number>} x input
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| 8 | * @return {number} product of all input numbers
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| 9 | * @example
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| 10 | * product([1, 2, 3, 4]); // => 24
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| 11 | */
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| 12 | function product(x) {
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| 13 | let value = 1;
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| 14 | for (let i = 0; i < x.length; i++) {
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| 15 | value *= x[i];
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| 16 | }
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| 17 | return value;
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| 18 | }
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| 19 |
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| 20 | export default product;
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