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Run results for:
Lodash.js vs Native undefined
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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:
2 years 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>
Script Preparation code:
var und = undefined; var bool = true; var element;
Tests:
Native
element = !!und && typeof bool === 'boolean';
Lodash.js
element = !_.isUndefined(und) && !_.isBoolean(bool);