Run results for: Array split vs string substring

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_7_9 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.7.9

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Array.split	2319158.8 Ops/sec
Substring	1949375.8 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("."));

Run results for: Array split vs string substring

Array.split

Substring