Run results for: ToLower vs ToUpper

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0

Browser: Firefox 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

ToLower

11K/s

ToUpper

5K/s

View exact numbers

Test name	Executions per second
✓ ToLower	11,238 Ops/sec
ToUpper	5,280 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: