![JavaScript — Filter, Map, Reduce. Get started with functional programming | by Adi S | Better Programming JavaScript — Filter, Map, Reduce. Get started with functional programming | by Adi S | Better Programming](https://miro.medium.com/v2/resize:fit:1116/1*T9-8hZsOB-ygY9NRxVg0sQ.png)
JavaScript — Filter, Map, Reduce. Get started with functional programming | by Adi S | Better Programming
![Functional Programming in JS: map, filter, reduce (Pt. 5) | by Omer Goldberg | HackerNoon.com | Medium Functional Programming in JS: map, filter, reduce (Pt. 5) | by Omer Goldberg | HackerNoon.com | Medium](https://miro.medium.com/v2/resize:fit:1024/1*FRAwpLpaqSMBV6VOHY_Vdw.png)
Functional Programming in JS: map, filter, reduce (Pt. 5) | by Omer Goldberg | HackerNoon.com | Medium
![When to Use forEach, map, filter, find, and reduce on JavaScript Arrays | JavaScript in Plain English When to Use forEach, map, filter, find, and reduce on JavaScript Arrays | JavaScript in Plain English](https://miro.medium.com/v2/resize:fit:1000/1*K_gZ8Oc4xkv9VOARcthZqQ.png)
When to Use forEach, map, filter, find, and reduce on JavaScript Arrays | JavaScript in Plain English
![Simplify your JavaScript – Use .map(), .reduce(), and .filter() | by Etienne Talbot | poka-techblog | Medium Simplify your JavaScript – Use .map(), .reduce(), and .filter() | by Etienne Talbot | poka-techblog | Medium](https://miro.medium.com/v2/resize:fit:4802/1*mG4yPf0dVoBk0R6csThChQ.png)
Simplify your JavaScript – Use .map(), .reduce(), and .filter() | by Etienne Talbot | poka-techblog | Medium
![Joel Thoms on X: "💡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 time, you Joel Thoms on X: "💡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 time, you](https://pbs.twimg.com/media/EHK8M62WoAAUuCt.png)