Run results for: string concatenation vs array acc

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
concatenation	21992.0 Ops/sec
arr acc	7729.3 Ops/sec

Tests:

concatenation
let str = ''; for (let i = 0; i < 10_000; i++) { str += i; }
arr acc
const acc = []; for (let i = 0; i < 10_000; i++) { acc.push(i); } acc.join();