Run results for: string.split vs toLocaleString("en-GB")

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

split

2.3M/s

Date toLocaleString

1.3M/s

View exact numbers

Test name	Executions per second
✓ split	2,319,332 Ops/sec
Date toLocaleString	1,282,930 Ops/sec

Script Preparation code:

var dateStr = "2021-08-10T06:00:00.000Z"

Tests:

split
[yyyy,mm,dd,hh,mi] = dateStr.split(/[/:\-T]/) const result =`${dd}/${mm}/${yyyy}, ${hh}:${mi}`
Date toLocaleString
const result = new Date(dateStr).toLocaleString("en-GB")