Run results for: array index vs substring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

array

9.9M/s

subs

5.0M/s

View exact numbers

Test name	Executions per second
✓ array	9,870,242 Ops/sec
subs	4,956,868 Ops/sec

Script Preparation code:

var dni = "12345678-9"

Tests: