Run results for: str split vs regex replace

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:87.0) Gecko/20100101 Firefox/87.0

Browser: Firefox 87

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
split	7527906.0 Ops/sec
regex	10870630.0 Ops/sec

Script Preparation code:

var str = '1234563242347.341342345';
var regex = /\..*$/;

Tests: