Run results for: Array split vs string substring-1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Array.split	3865735.8 Ops/sec
Substring	6134870.5 Ops/sec

Script Preparation code:

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

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

Tests:

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