Run results for: string array join vs for loop concatenation

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
For loop	121449.8 Ops/sec
join	84426.5 Ops/sec

Script Preparation code:

var strings = Array(1000).fill('hola soy edu feliz navidad');

Tests:

For loop
let result = '' for(let i = 0; i < strings.length; i++) { result += strings[i] + '\n'; }
join
const result = strings.join('\n');