Run results for: Substring vs string array access

Run details:

User agent: Mozilla/5.0 (Android 12; Mobile; rv:132.0) Gecko/132.0 Firefox/132.0

Browser: Firefox Mobile 132

Operating system: Android

Device Platform: Mobile

Date tested: 5 months ago

Test name	Executions per second
Substring	544673856.0 Ops/sec
String array access	553655872.0 Ops/sec

Script Preparation code:

var text = "as dflkjasd flkasjdf";

Tests:

Substring
var a = text.substring(0, 1); var b = text.substring(3, 4); var c = text.substring(10, 11);
String array access
var a = text[0]; var b = text[3]; var c = text[10];