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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:101.0) Gecko/20100101 Firefox/101.0

Browser: Firefox 101

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
var copy={...a}	875.6 Ops/sec
var copy = Object.assign({}, a)	1469.4 Ops/sec

Script Preparation code:

var a={};
var i=10000;
while(i--)a[i]=i;

Tests: