Run results for: ToLower vs ToUpper

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

ToLower

6K/s

ToUpper

2K/s

View exact numbers

Test name	Executions per second
✓ ToLower	5,813 Ops/sec
ToUpper	2,330 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: