Higher Order Functions Javascript | forEach, filter, map, and reduce functions смотреть онлайн

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In this video, we will look at Higher Order Functions in Javascript including forEach, filter, map, and reduce. A higher order function does at least ONE of the following:

1) takes one or more functions as an argument (parameter)
2) returns a function as its result.

Higher Order Functions in Javascript are very useful. Let's get started!

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▶ This video is part of the JavaScript Tutorials for Beginners Playlist found here: https://www.youtube.com/playlist?list=PL0Zuz27SZ-6Oi6xNtL_fwCrwpuqylMsgT

✅ Quick Concepts outline:
JavaScript Higher Order Functions
(0:00) Intro
(0:21) What is a Higher Order Function
(1:15) The data we are working with
(2:30) forEach() is better than a for loop!
(4:08) filter() helps select specific data from results
(5:58) map() lets you transform the data
(8:10) reduce() computes a single value from the data

? Further Reading:
MDN Web Docs:
forEach: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
filter: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
map: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map
reduce: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce
Eloquent JavaScript, Chapter 5: https://eloquentjavascript.net/05_higher_order.html

? More Beginner JS Videos:
freeCodeCamp: https://youtu.be/PkZNo7MFNFg
Traversy Media: https://youtu.be/hdI2bqOjy3c
The Net Ninja: https://youtu.be/iWOYAxlnaww

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