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: one year ago

Benchmark engine: Benchmark.js

String array access

553.7M/s

Substring

544.7M/s

View exact numbers

Test name	Executions per second
✓ String array access	553,655,872 Ops/sec
Substring	544,673,856 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];