MeasureThat.net

Run results for: object assign vs object spread on growing objects

Object.assign and the spread operator are about equally fast on tiny objects. But how do they scale as objects get increasingly more keys?

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Linux
Desktop
2 days ago
Test name Executions per second
assign 612.3 Ops/sec
spread 287.8 Ops/sec
Tests:

  • assign

  • spread

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