Run results for: Str concat vs Array join to put strings together

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0

Browser: Firefox 143

Operating system: Linux

Device Platform: Desktop

Date tested: 10 months ago

Str concat

5K/s

Array join

5K/s

View exact numbers

Test name	Executions per second
✓ Str concat	5,172 Ops/sec
Array join	5,157 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Tests:

Str concat
let str = ''; for (let i = 0; i < 1000; i += 1) { str += Math.floor(Math.random() * Date.now()).toString(36); } console.log(str);
Array join
let str = []; for (let i = 0; i < 1000; i += 1) { str.push(Math.floor(Math.random() * Date.now()).toString(36)); } console.log(str.join(''));