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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

timestamp = Date.now();

6.3M/s

timestamp = new Date().toISOString();

1.2M/s

View exact numbers

Test name	Executions per second
✓ timestamp = Date.now();	6,262,358 Ops/sec
timestamp = new Date().toISOString();	1,225,587 Ops/sec

Script Preparation code:

var timestamp = null;

Tests: