Tests adding an element to a map vs an immutable js map.
FizzBuzz
create an array with all values "" same length than the original array
Cópia de obj
Compare the new ES6 spread operator with the traditional concat() method
lodash map vs Object.keys map
String split vs Regex
Testing some things
push, push.apply, concat, array access
push apply versus concat
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Python benchmarks support: Pyodide