Run results for: Lodash.js vs Native undefined

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Native	9671417.0 Ops/sec
Lodash.js	5136405.5 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

AخA
 
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

var und = undefined;
var bool = true;
var element;

 
var und = undefined;var bool = true;var element;

Tests:

element = !!und && typeof bool === 'boolean';

 
element = !!und && typeof bool === 'boolean';

Lodash.js
element = !_.isUndefined(und) && !_.isBoolean(bool);
element = !_.isUndefined(und) && !_.isBoolean(bool);