35 lines
485 B
JavaScript
35 lines
485 B
JavaScript
function add(a, b) {
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return a + b;
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}
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function subtract(a, b) {
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return a - b;
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}
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function sum(array) {
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return array.reduce((current, total) => total + current, 0);
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}
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function multiply(array) {
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return array.reduce((current, total) => total * current, 1);
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}
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function power(a, b) {
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return Math.pow(a, b);
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}
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function factorial(n) {
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if (n===0){
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return 1;
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}
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return n * factorial (n-1);
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}
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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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