Run results for: Filter unique, Set vs filter()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36

Browser: Chrome 72

Operating system: Mac OS X 10.14.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Filter	2225611.0 Ops/sec
Set	1348186.0 Ops/sec

Script Preparation code:

function filterUniq(arr){
	return arr.filter((i,p)=>{
      return arr.indexOf(i) == p
    }); 
}
function setUniq(arr){
	return [...new Set(arr)] 
}
var a = [1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5]

Tests:

Filter
var b = filterUniq(a)
Set
var b = setUniq(a)