Run results for: Array.prototype.concat vs spread operator on Attributes List

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Mac OS X 10.13.4

Device Platform: Other

Date tested: 5 years ago

Script Preparation code:

var attrs = document.body.querySelector('.modal').attributes

Tests: