Run results for: lowerCase() vs upperCase()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
lowerCase	5672296.5 Ops/sec
upperCase	3344553.5 Ops/sec

Script Preparation code:

var items = [
    { name: 'Edward', value: 21 },
    { name: 'Sharpe', value: 37 },
    { name: 'And', value: 45 },
    { name: 'The', value: -12 },
    { name: 'Magnetic', value: 13 },
    { name: 'Zeros', value: 37 }
];

Tests:

lowerCase
items.sort((a, b) => { a = a.name.toLowerCase(); b = b.name.toLowerCase(); return a < b ? -1 : a > b ? 1 : 0; });
upperCase
items.sort((a, b) => { a = a.name.toUpperCase(); b = b.name.toUpperCase(); return a < b ? -1 : a > b ? 1 : 0; });