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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser: Firefox 126

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

new Date().toISOString()

3.4M/s

new Date().toLocaleString()

569K/s

View exact numbers

Test name	Executions per second
✓ new Date().toISOString()	3,372,786 Ops/sec
new Date().toLocaleString()	568,650 Ops/sec

Script Preparation code:

var timestamp = null;

Tests: