Run results for: new Date().toISOString() vs new Date().toLocaleString()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
new Date().toISOString()	641151.9 Ops/sec
new Date().toLocaleString()	124513.5 Ops/sec

Script Preparation code:

var timestamp = null;

Tests: