# How does the JavaScript slice() method work?

The slice() method\*\* returns the selected items\*\* of an array, but **it won't mutate the original array**. That's a difference with the [splice()](https://blog.mariobarcelo.dev/how-does-the-javascript-splice-method-work) method.

slice() receives two parameters:

1. The starting index to remove
    
2. The end index (it won't be removed)
    

Let's see an example:

```plaintext
const numbers = [1,2,3,4,5]

const removedValues = numbers.slice(0,2)

removedValues // [ 1, 2 ]
numbers // [ 1, 2, 3, 4, 5 ]
```

We have the numbers array with five values. Then we use the slice() method to remove some. We set as a first parameter the starting index to remove as zero, because we want to start removing from the value 1 of the list. Then we set a 2 as a second parameter because we want to stop our removal at the index position 2. That means that position value won't be included, so the value 3 won't be part of the removed values.

Then slice() will return the removed values, in this case will return the 1 and 2 values. The interesting thing here is that the original array is not modified. Unlike [splice()](https://blog.mariobarcelo.dev/how-does-the-javascript-splice-method-work), slice() doesn't mutate the original array.