test!!!!
Test performance
Math.pow vs **
flatMap vs filter map
Matching a string against more than one possibility.
testing 3 item array duplication methods
Answering https://stackoverflow.com/questions/58702513/lodash-clone-array-vs-spread-operator#
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Source code: GitHub/MeasureThat.net
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Based on: Benchmark.js
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Python benchmarks support: Pyodide