![Joel Thoms 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 time, you Joel Thoms 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 time, you](https://pbs.twimg.com/media/EHK8M62WoAAUuCt.png)
Joel Thoms 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 time, you
![Proful Sadangi on Twitter: "Javascript array functions map filter find reduce https://t.co/L3CmRYQMEM" / Twitter Proful Sadangi on Twitter: "Javascript array functions map filter find reduce https://t.co/L3CmRYQMEM" / Twitter](https://pbs.twimg.com/media/EfdJd2zUEAAP8aE.jpg)
Proful Sadangi on Twitter: "Javascript array functions map filter find reduce https://t.co/L3CmRYQMEM" / Twitter
![A Definitive Guide To map(), filter(), and reduce() in JavaScript | Learn To Code Together : r/learnjavascript A Definitive Guide To map(), filter(), and reduce() in JavaScript | Learn To Code Together : r/learnjavascript](https://external-preview.redd.it/5ZDq6BGVRiOyTFkORlV4i1cKI31jemdriBp8MZByMg4.jpg?width=640&crop=smart&auto=webp&s=6eb79658bc075ef1f54f7db94204caffb8607a96)