tod
/
odin-default-js-exercises
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Completed calculations

This commit is contained in:
Roberra0 2023-07-06 15:37:00 -07:00
parent 06b4787e5b
commit 454d897d0e
2 changed files with 48 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
08_calculator/calculator.js
View File

@ -1,25 +1,47 @@
const add = function() { const add = function(a,b) {
return a+b;
}; };
const subtract = function() { const subtract = function(a,b) {
return a-b;
}; };
const sum = function() { const sum = (nums)=>{
let total=0;
for(let i in nums){
total += nums[i];
}
return total;
}; };
const multiply = function() { const multiply = (...args) => {
let total=1;
let i=0;
for(let i in args){
// console.log("i: "+i+" args[i]: "+args[i]);
total *= args[i];
i++;
}
console.log(total);
return total;
}; };
const power = function() { const power = (a,b)=> {
let total=1;
for(let i = 0; i<b; i++){
total *= a;
}
return total;
}; };
const factorial = function() { const factorial = function(a) {
let multplyNums =[];
for(i=a; i>0; i--){
multplyNums.push(i);
}
return(
multplyNums.reduce((result,num)=> result *= num,1));
}; };
// Do not edit below this line // Do not edit below this line

30
08_calculator/calculator.spec.js
View File

@ -5,73 +5,73 @@ describe('add', () => {
expect(calculator.add(0,0)).toBe(0); expect(calculator.add(0,0)).toBe(0);
}); });
test.skip('adds 2 and 2', () => { test('adds 2 and 2', () => {
expect(calculator.add(2,2)).toBe(4); expect(calculator.add(2,2)).toBe(4);
}); });
test.skip('adds positive numbers', () => { test('adds positive numbers', () => {
expect(calculator.add(2,6)).toBe(8); expect(calculator.add(2,6)).toBe(8);
}); });
}); });
describe('subtract', () => { describe('subtract', () => {
test.skip('subtracts numbers', () => { test('subtracts numbers', () => {
expect(calculator.subtract(10,4)).toBe(6); expect(calculator.subtract(10,4)).toBe(6);
}); });
}); });
describe('sum', () => { describe('sum', () => {
test.skip('computes the sum of an empty array', () => { test('computes the sum of an empty array', () => {
expect(calculator.sum([])).toBe(0); expect(calculator.sum([])).toBe(0);
}); });
test.skip('computes the sum of an array of one number', () => { test('computes the sum of an array of one number', () => {
expect(calculator.sum([7])).toBe(7); expect(calculator.sum([7])).toBe(7);
}); });
test.skip('computes the sum of an array of two numbers', () => { test('computes the sum of an array of two numbers', () => {
expect(calculator.sum([7,11])).toBe(18); expect(calculator.sum([7,11])).toBe(18);
}); });
test.skip('computes the sum of an array of many numbers', () => { test('computes the sum of an array of many numbers', () => {
expect(calculator.sum([1,3,5,7,9])).toBe(25); expect(calculator.sum([1,3,5,7,9])).toBe(25);
}); });
}); });
describe('multiply', () => { describe('multiply', () => {
test.skip('multiplies two numbers', () => { test('multiplies two numbers', () => {
expect(calculator.multiply(2,4)).toBe(8); expect(calculator.multiply(2,4)).toBe(8);
}); });
test.skip('multiplies several numbers', () => { test('multiplies several numbers', () => {
expect(calculator.multiply(2,4,6,8,10,12,14)).toBe(645120); expect(calculator.multiply(2,4,6,8,10,12,14)).toBe(645120);
}); });
}); });
describe('power', () => { describe('power', () => {
test.skip('raises one number to the power of another number', () => { test('raises one number to the power of another number', () => {
expect(calculator.power(4,3)).toBe(64); // 4 to third power is 64 expect(calculator.power(4,3)).toBe(64); // 4 to third power is 64
}); });
}); });
describe('factorial', () => { describe('factorial', () => {
test.skip('computes the factorial of 0', () => { test('computes the factorial of 0', () => {
expect(calculator.factorial(0)).toBe(1); // 0! = 1 expect(calculator.factorial(0)).toBe(1); // 0! = 1
}); });
test.skip('computes the factorial of 1', () => { test('computes the factorial of 1', () => {
expect(calculator.factorial(1)).toBe(1); expect(calculator.factorial(1)).toBe(1);
}); });
test.skip('computes the factorial of 2', () => { test('computes the factorial of 2', () => {
expect(calculator.factorial(2)).toBe(2); expect(calculator.factorial(2)).toBe(2);
}); });
test.skip('computes the factorial of 5', () => { test('computes the factorial of 5', () => {
expect(calculator.factorial(5)).toBe(120); expect(calculator.factorial(5)).toBe(120);
}); });
test.skip('computes the factorial of 10', () => { test('computes the factorial of 10', () => {
expect(calculator.factorial(10)).toBe(3628800); expect(calculator.factorial(10)).toBe(3628800);
}); });
}); });