Run results for: Spread operator vs. slice

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Browser: Chrome 66

Operating system: Windows 8.1

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Spread operator	31.7 Ops/sec
Slice()	703.2 Ops/sec

Tests:

Spread operator
var n = []; while(n.length < 1000) { n.push('asdf'); n = [...n]; }
Slice()
var n = []; while(n.length < 1000) { n.push('asdf'); n = n.slice(); }