Benchmark: Map vs Object - MeasureThat.net

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 lookup
Obj lookup

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Latest run results:

Run details: (Test run date: 23 hours ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser/OS: Firefox 130 on Linux

Test name	Executions per second
Map lookup	33252.3 Ops/sec
Obj lookup	41958.3 Ops/sec

Map vs Object (version: 0)