Benchmark: Map vs Object sum

Script Preparation code:

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

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
Map sum
Obj sum

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Safari/605.1.15

Browser/OS: Safari 15 on Mac OS X 10.15.7

Test name	Executions per second
Map sum	9185.5 Ops/sec
Obj sum	9998.1 Ops/sec

Map vs Object sum (version: 0)