Run results for: Array.prototype.concat vs spread operator vs lodash concat

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Browser: Chrome 65

Operating system: Fedora

Device Platform: Desktop

Date tested: 6 years ago

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.min.js"></script>

Script Preparation code:

var a = [1, 2, 3]
var b = [4, 5, 6]

Tests: