Run results for: Array.prototype.slice vs spread operator - Large Arrays

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Edg/115.0.1901.203

Browser: Chrome 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array.prototype.slice - 10k Numbers	481957.6 Ops/sec
spread operator - 10k Numbers	3319.3 Ops/sec
Array.prototype.slice - 10k Strings	338224.6 Ops/sec
spread operator - 10k Strings	3225.2 Ops/sec

Script Preparation code:

numArray = [];
stringArray = [];
for (let a = 0; a < 10000; a ++) {
  numArray.push(a);
  stringArray.push("Hello World");
}

Tests:

Array.prototype.slice - 10k Numbers
var params = numArray; var other = params.slice();
spread operator - 10k Numbers
var params = numArray; var other = [ ...params ];
Array.prototype.slice - 10k Strings
var params = stringArray; var other = params.slice();
spread operator - 10k Strings
var params = stringArray; var other = [ ...params ];