Run results for: Value existance check in object, array, map, set

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; SM-G973F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.210 Mobile Safari/537.36

Browser: Chrome Mobile 90

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
array	125419.3 Ops/sec
set	9413600.0 Ops/sec
object	10867807.0 Ops/sec
map	9636929.0 Ops/sec

Script Preparation code:

var randomStringsToGenerate = 10000;

var array = [];
var set = new Set();
var object = {};
var map = new Map();

for (let i = 0; i < randomStringsToGenerate; i++) {
  array.push(i);
  map.set(i, true);
  object[i] = true;
  set.add(i);
}

Tests:

array
return array.includes(5000)
set
return set.has(5000)
object
return object[5000]
map
return map.has(5000)