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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:106.0) Gecko/20100101 Firefox/106.0

Browser: Firefox 106

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
var copy={...a}	1009.8 Ops/sec
var copy = Object.assign({}, a)	1772.4 Ops/sec

Script Preparation code:

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

Tests: