javascript remove item from array by value

sure! removing an item from an array in javascript by its value involves finding the index of the item and then using the `splice()` method to remove it. here's a step-by-step tutorial along with a code example:

### tutorial: remove item from array by value in javascript

1. **find the index of the item**: you can use the `indexof()` method to find the index of the item you want to remove from the array.

2. **remove the item using `splice()`**: once you have the index of the item, you can use the `splice()` method to remove the item from the array.

### code example:

in the code example above:
- we have an array `fruits` containing some fruit names.
- the `removeitemfromarray()` function takes an array and an item to remove as parameters.
- it finds the index of the item using `indexof()` and then removes the item using `splice()`.
- in this example, we remove the item "banana" from the `fruits` array and output the updated array.

you can use this approach to remove any item from an array by its value in javascript.

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