Run results for: allocating objects vs allocating maps

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
objects	3829437.5 Ops/sec
maps	10453.2 Ops/sec

Tests:

objects
for (let i = 0; i < 1000; ++i) { const obj = {} obj["hello"] = "world" }
maps
for (let i = 0; i < 1000; ++i) { const map = new Map() map.set("hello", "world") }