Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
lodash isUndefined vs typeof === undefined (take 2)
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=572784" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0
Browser:
Firefox 132
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
lodash.isUndefined
1024398848.0 Ops/sec
Native js
1030928384.0 Ops/sec
simplify native js
1036307200.0 Ops/sec
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var foo;
Tests:
lodash.isUndefined
if (_.isUndefined(foo)) { foo; }
Native js
if (foo === undefined) { foo; }
simplify native js
if (!foo) { foo; }