Run results for: startsWith vs indexOf vs endsWith

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36

Browser: Chrome 99

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var start = 'hello!';
var end = 'string!';
var string = start + ' im a ' + end;

Tests: