Run results for: Array.prototype.concat vs spread operator 54321

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0

Browser: Firefox 61

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Spread operator	4457487.0 Ops/sec
Push	6652248.0 Ops/sec

Tests:

Spread operator
const imageIds = []; for(let i=0; i<8/2; i++) { const value = Math.floor(Math.random() * 100) imageIds.push(value); } var other = [...imageIds, ...imageIds]
Push
const imageIds = []; for(let i=0; i<8/2; i++) { const value = Math.floor(Math.random() * 100) imageIds.push(value); imageIds.push(value); }