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

spread operator vs object.assign

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36
Chrome 96
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
var copy={...a} 668836.4 Ops/sec
var copy = Object.assign({}, a) 963.8 Ops/sec
Script Preparation code:
Tests:

  • var copy={...a}

  • var copy = Object.assign({}, a)

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