Run results for: js replace vs substr

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0

Browser: Firefox 85

Operating system: Mac OS X 10.16

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
replace	11655220.0 Ops/sec
substr	46116080.0 Ops/sec

Script Preparation code:

var strIn = '@mol-fe/mol-fe-webpush-server-worker';
var strOut = '';

Tests: