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Run results for:
String to number conversion in Vanilla JS
Go to the benchmark
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=576216" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
+
14814535.0 Ops/sec
Number
13295840.0 Ops/sec
parseInt
8720374.0 Ops/sec
parseFloat
10924850.0 Ops/sec
Script Preparation code:
var toTest = [undefined, null, '-1','-1.1', '1', '100000', 'aaaa'];
Tests:
+
toTest.map((item) => (+item));
Number
toTest.map(Number);
parseInt
toTest.map(parseInt);
parseFloat
toTest.map(parseFloat);