Run results for: String indexOf vs startsWith/endsWith

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.0.0; FRD-L19) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Mobile Safari/537.36

Browser: Chrome Mobile 86

Operating system: Android 8.0.0

Device Platform: Mobile

Date tested: 3 years ago

Script Preparation code:

var str = "penpineappleapplepen"

Tests: