JavaScript Array Methods

a) Destructive Array Methods

Destructive array methods alter the original arrays and return a modified array. Let’s explore various methods for manipulating arrays that change the original array.

1) pop()

2) push()

3) shift()

4) unshift()

5) splice()

b) Non-Destructive Array Methods

A non-destructive array method returns a new or non-modified array even after using an array method. If you want to preserve the original array while assigning the new output to a new array, you can use these non-destructive array methods.

1) concat()

2) slice()

3) fill()

c) Join an Array

Let’s say you need to join all the array elements to become a string. You can do this with the join() method without altering or changing the original array.

1) join()

d) Iterating over Array Elements

Traditionally, you had to use loops to iterate through an array if you wanted to do any kind of data checks or processing on the individual elements.

1) includes()

2) every()

3) some()

4) find()

5) findIndex()

6) indexOf()

7) forEach()

8) map()

9) reduce()

10) flat()

11) flatmap()

End of the Array.

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