Run results for: {} vs Map with FIRST TIME set ONLY

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:151.0) Gecko/20100101 Firefox/151.0

Browser: Firefox 151

Operating system: Windows

Device Platform: Desktop

Date tested: 4 days ago

Test name	Executions per second
SET: Object	38312.2 Ops/sec
SET: Map	3841.3 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Tests:

SET: Object
const d1 = {}; for (let i1 = 0; i1 < 10000; i1++) { d1[i1] = i1; }
SET: Map
const d2 = new Map(); for (let i2 = 0; i2 < 10000; i2++) { d2.set(i2, i2); }