Combine arrays, a very useful data structure, with the power of functions, to do awesome things.
We’ve seen arrays, and functions.
Now imagine combining the two.
That’s what happens with some very useful built-in methods you can use on any array:
map()filter()- … and many others
I think they are super essential you know them inside out in JavaScript.
Lessons in this unit:
| 0: | ▶︎ Introduction |
| 1: | map() |
| 2: | filter() |
| 3: | reduce() |
| 4: | sort() |
| 5: | find() and findIndex() |
| 6: | forEach() |
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