Run results for: js native lowercase vs native uppercase

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

native toLowerCase

266.2M/s

native toUpperCase

265.1M/s

View exact numbers

Test name	Executions per second
✓ native toLowerCase	266,182,736 Ops/sec
native toUpperCase	265,136,672 Ops/sec

Script Preparation code:

var test = 'More Text for TESTING'

Tests: