Run results for: String concatenation vs array join #2

Run details:

User agent: Mozilla/5.0 (Linux; arm_64; Android 16; CPH2653) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.7680.101 YaBrowser/26.4.2.101.00 Mobile Safari/537.36

Browser: Yandex Browser 26

Operating system: Android

Device Platform: Mobile

Date tested: 2 months ago

String concatentation

534K/s

Array join

83K/s

Array join (w/ push)

70K/s

View exact numbers

Test name	Executions per second
✓ String concatentation	534,245 Ops/sec
Array join	82,576 Ops/sec
Array join (w/ push)	70,082 Ops/sec

Tests:

String concatentation
let str = ""; for (let i = 0; i < 1000; i++) { str += "String concatenation. "; }
Array join
let arr = []; for (let i = 0; i < 1000; i++) { arr[i] = "String concatenation. "; } str = arr.join("");
Array join (w/ push)
let arr = []; for (let i = 0; i < 1000; i++) { arr.push("String concatenation. "); } str = arr.join("");