Run results for: JS string includes vs indexOf

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 114

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
String.prototype.includes	19397542.0 Ops/sec
String.prototype.indexOf	19460756.0 Ops/sec

Script Preparation code:

var str = '';
var i = 0;

while (i <= 1E5) str += i++;
str += 'end';

Tests: