You don't need to make add for loops in your test scenarios, the benchmark does it itself.
useForm hook
Compare round lodash function vs javascript native toFixed() function
Compare performance of native [].findIndex and _.findIndex and _.find
Compare perfomance between === operator and Array.includes
Compare the new ES6 spread operator with the traditional concat() method and push
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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