Run results for: set.has vs. array.includes 1e5

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36

Browser: Chrome 97

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
includes	9883.5 Ops/sec
has	7428904.5 Ops/sec

Script Preparation code:

var a = new Array(1e5);
var lastIndex = a.length - 1;
for(i=0, I = a.length; i < I; i++) {
  a[i] = i;
}

var b = new Set(a);

​x
 
var a = new Array(1e5);var lastIndex = a.length - 1;for(i=0, I = a.length; i < I; i++) {  a[i] = i;}​var b = new Set(a);

Tests: