Run results for: localeCompare vs collator.compare vs new Intl.Collator().compare

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
localeCompare	168687.1 Ops/sec
Intl.Collator().compare	148703.5 Ops/sec
collator.compare	3387169.8 Ops/sec

Script Preparation code:

var a = "z11";
var b = "z1";
var expectedOrder = 1;

var options = {
    sensitivity: 'base',
    numeric: true,
};

var collator = new Intl.Collator(undefined, options);

Tests:

localeCompare
a.localeCompare(b, undefined, options) === expectedOrder
Intl.Collator().compare
new Intl.Collator(undefined, options).compare(a, b) === expectedOrder
collator.compare
collator.compare(a, b) === expectedOrder

Run results for: localeCompare vs collator.compare vs new Intl.Collator().compare

localeCompare is an abstraction of Intl.Collator, thus they can accept the same options.

localeCompare

Intl.Collator().compare

collator.compare