Run results for: destructing vs mutating for large objects

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

Browser: Chrome 145

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

Test name	Executions per second
mutating	38940856.0 Ops/sec
destructing	20941396.0 Ops/sec

Script Preparation code:

var obj = {
        "refEntityId": {
          "entityType": "DEVICE",
          "id": "6c273f20-034a-11f0-88b9-d3b4c2c0424f"
        },
        "refEntityKey": {
          "key": "ALL_ERRORS_COUNT",
          "type": "TS_LATEST"
        },
        "defaultValue": "0"
      }

Tests:

mutating
obj.refEntityId.id = null;
destructing
const result = { ...obj, refEntityId: { ...obj.refEntityId, id: null } };