Run results for: set.has vs. array.includes vs array.indexOf (integer values, small number of elements)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36

Browser: Chrome 96

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var a = [ 1, 4, 3, 7, -4];
var b = new Set(a)

Tests: