Run results for: Substring vs string array access

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Substring

4.6M/s

String array access

4.5M/s

View exact numbers

Test name	Executions per second
✓ Substring	4,621,002 Ops/sec
String array access	4,490,914 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];