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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 Edg/108.0.1462.54

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
new Date().toISOString()	587384.6 Ops/sec
new Date().toLocaleString()	259180.6 Ops/sec

Script Preparation code:

var timestamp = null;

AخA
 
var timestamp = null;

Tests:

new Date().toISOString()
timestamp = new Date().toISOString();
timestamp = new Date().toISOString();
new Date().toLocaleString()
timestamp = new Date().toLocaleString();
timestamp = new Date().toLocaleString();