Run results for: add strings

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
kata solution 1	1969907.8 Ops/sec
my solution	253834.6 Ops/sec

Tests:

kata solution 1
function add (a, b) { var res = '', c = 0 a = a.split('') b = b.split('') while (a.length || b.length || c) { c += ~~a.pop() + ~~b.pop() res = c % 10 + res c = c > 9 } return res } add('63829983432984289347293874', '90938498237058927340892374089')
my solution
function add(a, b) { let result = ''; let remain = 0; if (b.length > a.length) { [a, b] = [b, a]; } b = [...b]; for (let i = a.length - 1; i >= 0; --i) { const n1 = Number(a[i]); const n2 = Number(b.pop() ?? 0); let sum = n1 + n2 + remain; if (sum > 9) { let temp = sum; sum %= 10; remain = (temp - sum) / 10; } else { remain = 0; } result = sum + result; } if (remain) { result = remain + result; } return result; } add('63829983432984289347293874', '90938498237058927340892374089')