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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0

Browser: Firefox 111

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
new Date().toISOString()	1875564.0 Ops/sec
new Date().toLocaleString()	323147.1 Ops/sec

Script Preparation code:

var timestamp = null;

Tests: