54 lines
854 B
JavaScript
54 lines
854 B
JavaScript
const add = function(a, b) {
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return a + b;
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};
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const subtract = function(a, b) {
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return a - b;
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};
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const sum = function(array) {
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let sumArray = 0;
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if (array.length == 0) {
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return 0;
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} else {
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for (let i = 0; i < array.length; i++) {
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sumArray += array[i];
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}
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return sumArray;
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}
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};
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const multiply = function(numbers) {
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let multiplyNum = 1;
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for (let i = 0; i < numbers.length; i++) {
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multiplyNum *= numbers[i];
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}
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return multiplyNum;
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};
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const power = function(num, power) {
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powerNum = 1;
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for (let i = 0; i < power; i++) {
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powerNum *= num;
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}
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return powerNum;
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};
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const factorial = function(fact) {
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factNum = 1;
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for (let i = fact; i > 0; i--) {
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factNum *= i;
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}
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return factNum;
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};
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// Do not edit below this line
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module.exports = {
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add,
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subtract,
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sum,
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multiply,
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power,
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factorial
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};
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