Run results for: Date.toLocaleDateString

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
without toLocaleDateString	1595151.0 Ops/sec
with toLocaleDateString	4490.8 Ops/sec

Script Preparation code:

var x = new Date('5/11/2018');
var y = new Date('5/11/2018');

Tests:

without toLocaleDateString
var z = (x.getFullYear() === y.getFullYear() && x.getMonth() === y.getMonth() && x.getDate() === y.getDate());
with toLocaleDateString
var z = (x.toLocaleDateString('en-US') === y.toLocaleDateString('en-US'));