75 lines
1.1 KiB
JavaScript
75 lines
1.1 KiB
JavaScript
const add = function(num1, num2) {
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return num1 + num2
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};
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const subtract = function(num1, num2) {
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return num1 - num2
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};
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const sum = function(array) {
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let sums = 0;
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if (array.length == 0) {
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return sums
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} else if (array.length == 1) {
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return array[0]
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} else {
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array.forEach(element => {
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sums += element
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});
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return sums
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}
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};
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const multiply = function(array) {
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let value = 1;
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if (array.length == 0) {
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return 0
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} else if (array.length == 1) {
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return array[0]
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} else {
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array.forEach(element => {
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value = value * element
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});
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return value
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}
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};
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const power = function(num1, num2) {
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let value = 1;
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if (num2 == 0) { return 1 }
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if (num2 == 1) { return num1 }
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for (let i = 0; i < num2; i++) {
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value = value * num1
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}
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return value
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};
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const factorial = function(num) {
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let value = 1;
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if (num == 1) { return 1 }
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for (let i = 1; i <= num; i ++) {
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value = value * i
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}
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return value
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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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