Run results for: Array split vs string substring

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:123.0) Gecko/123.0 Firefox/123.0

Browser: Firefox Mobile 123

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Substring

778.8M/s

Array.split

7.0M/s

View exact numbers

Test name	Executions per second
✓ Substring	778,785,536 Ops/sec
Array.split	6,995,203 Ops/sec

Script Preparation code:

var s1 = "foo.bar";
var s2 = "foo";

Tests:

Array.split
var n1 = s1.split(".")[0]; var n2 = s2.split(".")[0];
Substring
var n1 = s1.substring(0, s1.indexOf(".")); var n2 = s2.substring(0, s2.indexOf("."));