Run results for: Replace vs Substring vs Slice at the start with a predefined known string

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

var prefix = 'test_';
var prefixRegex = /^test_/;
var strIn = 'test_string_data'
var strOut = '';

Tests: