Run results for: Spread vs JSON stringify

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36

Browser: Chrome 81

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Object spread	19420.3 Ops/sec
JSON.stringify	28115.6 Ops/sec

Script Preparation code:

var a = Array(1000).fill().map(() => Math.round(Math.random() * 40));

Tests: