Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36
Chrome 101
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
var copy={...a} 298273.5 Ops/sec
var copy = Object.assign({}, a) 621.1 Ops/sec
Script Preparation code:
Tests:
  • var copy={...a}

  • var copy = Object.assign({}, a)