Run results for: _.isEmpty vs Array.length

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.1.1

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
_.isEmpty	4812112.0 Ops/sec
Array.length	11030740.0 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>

Script Preparation code:

window.arr = [];

Tests: