Run results for: Object.assign vs mutate

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.13.3

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Object.assign	195971.6 Ops/sec
Mutate	2266631.0 Ops/sec

Script Preparation code:

var numbers = [1,2,3,4,5,6,7,8,9,10];

Tests: