Run results for: Object.assign vs {...newValue} 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
With Object.assign	3864158.0 Ops/sec
With {...newValue}	33019570.0 Ops/sec

Tests:

With Object.assign
const row = {id: 1, label: 'asdf'}; const newRow = Object.assign({}, row, { label: `${row.label} !!!` })
With {...newValue}
const row = {id: 1, label: 'asdf'}; const newRow = {...row, label: `${row.label} !!!` }