lowerCase() vs upperCase()
Date tested:
3 years ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Test name
Executions per second
lowerCase
1474866.1 Ops/sec
upperCase
1215657.5 Ops/sec
Benchmark definition (click to collapse):
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; });
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