Run results for: String.indexOf vs Array.indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0

Browser: Firefox 105

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
String.indexOf	2039844000.0 Ops/sec
Array.indexOf	387.6 Ops/sec

Script Preparation code:

var LENGTH = 1_000_000;

var str = new Array(LENGTH).fill('z', 0, LENGTH).join('');
var arr = new Array(LENGTH).fill('z', 0, LENGTH - 1);

Tests: