Run results for: Associative object array VS array.find

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36 Edg/84.0.522.49

Browser: Chrome 84

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Get index of object	709848.7 Ops/sec
Get array.find	32586.7 Ops/sec

Script Preparation code:

o = {};
a = [];

for (var i = 0; i<= 10000; i++){
	a.push({'id' : ''+i, 'name' : 'name_'+i, 'firstname' : 'firstname_'+i});
  	o[''+i] = {'name' : 'name_'+i, 'firstname' : 'firstname_'+i}
}

Tests:

Get index of object
name = o['1234'].name;
Get array.find
name = a.find(t => t.id == '1234');

Run results for: Associative object array VS array.find

Get index of object

Get array.find