Run results for: index vs lastindexof

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
lastIndexOf	17144864.0 Ops/sec
indexOf	747965440.0 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");