Benchmark: Map vs Object, numeric key

Script Preparation code:

var map = new Map();
var obj = {};
var key = Date.now();

map.set(key, 5);
obj[key] = 5;

var i = 0, count = 1000, a;

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Map lookup
Obj lookup

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Android 6.0.1; Mobile; rv:85.0) Gecko/85.0 Firefox/85.0

Browser/OS: Firefox Mobile 85 on Android 6.0.1

Test name	Executions per second
Map lookup	3336.8 Ops/sec
Obj lookup	2450.5 Ops/sec

Map vs Object, numeric key (version: 0)