Run results for: Spread operator vs. slice

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:69.0) Gecko/20100101 Firefox/69.0

Browser: Firefox 69

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Spread operator	56.6 Ops/sec
Slice()	112.2 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(); }