Run results for: native Map.size vs lodash _.isEmpty

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Map.size	17896690.0 Ops/sec
_.isEmpty	5566218.5 Ops/sec

HTML Preparation code:

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.core.js"></script>

Script Preparation code:

var m = new Map([
  [1, 100],
  [2, 200],
  [3, 300],
  [4, 400],
  [5, 500]
]);

Tests: