Manipulating arrays and objects in JavaScript

Arrays in JavaScript come with some really helpful methods that allow you to perform operations on them without using loops and custom logic. In this lesson, we learn how to manipulate arrays and objects in JavaScript with the help of builtin methods. Here is the list of items that we cover in this lesson:

0:11 for..of
0:35 for..in
01:09 filter
01:48 find
02:32 findIndex
02:54 map
04:02 reduce
05:47 every
06:59 some
07:33 entries, fromEntries
08:22 includes
08:49 splice
09:48 slice
11:17 concat

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[lahcenechel]

thanks a lot bro
best that i found
we need one for manipulating strings and one for manipulating object that are not inside array.

[rs]

Thank you for this video! Clear, examples, straight to the point - you just helped me (finally) grasp some topics Ive been struggling with! Immediately Subbed, can't wait to check out your other vids : )

[FuryOutlaw]

As a beginner, I've leaned a lot from this video. Thanks! ❤️

[zuhrulanam]

Is this in vscode? How to automatic run js thanks

[joshcar]

are you using vscode and how do you get your console to display like that?

[__nitinkumar__]

I do see a lot of similarities between these functions and Java's Stream API methods...
Can you please make a video on the comparisons and equivalent functions.

[lahcenechel]

reduce i got confused with the objects and coulnt understand it