MeasureThat.net

Run results for: object.assign vs spread operator for shallow copying large objects 2

spread operator vs object.assign

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36
Chrome 106
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
var copy={...a} 640122.4 Ops/sec
var copy = Object.assign({}, a) 908.7 Ops/sec
Script Preparation code:
Tests:

  • var copy={...a}

  • var copy = Object.assign({}, a)

;