Run results for: toUpperCase vs toLowerCase - true

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36

Browser: Chrome 140

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
toUpperCase	153070672.0 Ops/sec
toLowerCase	164432208.0 Ops/sec

Script Preparation code:

var text = 'SOME ARE UPPER some are lower';

Tests: