Run results for: index vs lastindexof

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/117.0.5938.117 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 117

Operating system: iOS 16.6

Device Platform: Tablet

Date tested: one year ago

Test name	Executions per second
lastIndexOf	28877106.0 Ops/sec
indexOf	33170392.0 Ops/sec

Tests:

lastIndexOf
var str = "Hello world, welcome to the universe."; var n = str.lastIndexOf("welcome");
indexOf
var str = "Hello world, welcome to the universe."; var n = str.indexOf("welcome");