Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0
Firefox 65
Windows
Desktop
6 years ago
Test name Executions per second
A new clone via Object.assing 23075276.0 Ops/sec
A new clone via spread operator 4724317.5 Ops/sec
Script Preparation code:
AخA
 
myObject = {a: 1, b: 2, c: 3}
Tests:
  • A new clone via Object.assing

     
    clonedObjectA = Object.assign(myObject);
  • A new clone via spread operator

     
    clonedObjectB = {...myObject};