Run results for: lookup tests

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Mobile Safari/537.36

Browser: Chrome Mobile 90

Operating system: Android 6.0

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
includes	13522851.0 Ops/sec
lookup	13460288.0 Ops/sec
foreach	12438699.0 Ops/sec
object	4652817.5 Ops/sec

Script Preparation code:

var a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
var b = new Set(a)
var c = {1: true, 2: true, 3: true, 4: true, 5: true, 6: true, 7: true, 8: true, 9: true, 10: true}

Tests:

includes
return a.includes(9)
lookup
return b.has(9)
foreach
a.forEach(element => { if(element === 9)return true; }); return false;
object
Boolean(c[9])

Run results for: lookup tests

includes

lookup

foreach

object