Run results for: ToLower vs ToUpper

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser: Chrome 137

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

ToLower

23K/s

ToUpper

7K/s

View exact numbers

Test name	Executions per second
✓ ToLower	22,939 Ops/sec
ToUpper	7,396 Ops/sec

Script Preparation code:

var data = []

for (let i = 0; i < 5000; ++i) data.push('toto')
data.push('titi')
for (let i = 0; i < 2500; ++i) data.push('toto')

Tests: