Run results for: Map string versus number keys

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 days ago

Test name	Executions per second
String	553760448.0 Ops/sec
Int	351312480.0 Ops/sec

Script Preparation code:

var intMap = new Map();
intMap.set(1, "aaa");
intMap.set(2, "bbb");
intMap.set(3, "ccc");

var stringMap = new Map();
stringMap.set("a", "aaa");
stringMap.set("b", "bbb");
stringMap.set("c", "ccc");

Tests:

String
var a = stringMap.get("a"); var b = stringMap.get("b"); var c = stringMap.get("c");
Int
var a1 = intMap.get(1); var b2 = intMap.get(2); var c3 = intMap.get(3);

Run results for: Map string versus number keys

String

Int