JavaScript spread operator vs Object.assign existing vs Object.assign new performance
one year ago
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Test name |
Executions per second |
Using the spread operator |
3138295.0 Ops/sec |
Using Object.assign |
7437841.0 Ops/sec |
Using Object.assign for new object |
6722897.0 Ops/sec |
Tests:
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Using the spread operator
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Using Object.assign
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Using Object.assign for new object
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