Simplify your JavaScript – Use .map(), .reduce(), and .filter() | by Etienne Talbot | poka-techblog | Medium
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Joel Thoms 🍻 #JavaScript on Twitter: "💡TIP: filter and then map will loop through the array twice. This may (or may not) have a performance impact. To loop through the list one
How to write your own map, filter and reduce functions in JavaScript
Powerful JS Reduce Function. You can use it to solve any data… | by José Manuel Aguirre | ITNEXT
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Map/filter/reduce (and more) in Swift explained with emoji by – quite brilliant. | Aral Balkan (@aral@m | Scoopnest