Run results for: Substring vs string array access

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Substring	3895356.0 Ops/sec
String array access	3834102.0 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];