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Run results for:
lodash isUndefined vs typeof === undefined (take 2)
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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
Benchmark engine:
Benchmark.js
simplify native js
1036.3M/s
Native js
1030.9M/s
lodash.isUndefined
1024.4M/s
View exact numbers
Test name
Executions per second
✓
simplify native js
1,036,307,200 Ops/sec
Native js
1,030,928,384 Ops/sec
lodash.isUndefined
1,024,398,848 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; }