Run results for: padStart vs while loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 YaBrowser/24.4.0.0 Safari/537.36

Browser: Yandex Browser 24

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

48.7M/s

39.8M/s

View exact numbers

Test name	Executions per second
✓ 1	48,724,128 Ops/sec
2	39,809,360 Ops/sec

Tests:

1
let stringValue = "9"; let zeroCount = 4 - stringValue.length; while (zeroCount-- > 0) { stringValue = '0' + stringValue; }
2
let stringValue = "9"; let zeroCount = 4 - stringValue.length; stringValue.padStart(4, "0");