Run results for: JavaScript spread operator vs Slice/Splice performance 2

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Browser: Chrome 144

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: 6 months ago

Array clone with slice

77.2M/s

Array clone with spread operator

57.6M/s

View exact numbers

Test name	Executions per second
✓ Array clone with slice	77,199,280 Ops/sec
Array clone with spread operator	57,647,884 Ops/sec

Script Preparation code:

const ITERATIONS = 500000;
var index = ITERATIONS/2;
var n = Math.random();

var list = [];
for (let i = 0; i < length; i += 1) {
  list.push(Math.random());
}

Tests:

Array clone with spread operator
const clone = [...list];
Array clone with slice
const clone = list.slice();