Run results for: Intl.Collator.compare() vs localeCompare() - natural sort order

localeCompare is an abstraction of Intl.Collator, thus they can accept the same options. This test shows that using Intl.Collator is quicker for multiple comparisons.

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Intl.Collator.compare()

11.0M/s

localeCompare()

517K/s

View exact numbers

Test name	Executions per second
✓ Intl.Collator.compare()	11,025,344 Ops/sec
localeCompare()	516,952 Ops/sec

Script Preparation code:

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

Tests:

localeCompare()
a.localeCompare(b, undefined, options) === 1
Intl.Collator.compare()
collator.compare(a, b) === 1