Run results for: Map vs Object part 4

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.2.1

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
Map lookup	695.6 Ops/sec
Obj lookup	692.4 Ops/sec

Script Preparation code:

var map = new Map();
var obj = {};
let a;
for (let i = 0;i < 100000; i++) {
	map.set(i, i);
  	obj[i] = i;
}

​x
 
var map = new Map();var obj = {};let a;for (let i = 0;i < 100000; i++) {    map.set(i, i);    obj[i] = i;}​

Tests:

for (let i = 0; i < 10000; i++) {
  a = map.get(i);
}

 
for (let i = 0; i < 10000; i++) {  a = map.get(i);}

for (let i = 0; i < 10000; i++) {
  a = obj[i];
}

 
for (let i = 0; i < 10000; i++) {  a = obj[i];}