How to delete a specific value in the localstorage array?

Question

JavaScript

I have values ​​in localstorage by key cartItems in the form of an array ["1", "2"] how can I specifically delete, for example, the second value, that is, "2"?

Answer 1

Only strings are stored in storage. Text.

1. you need to pull the string from storage, this is JSON,
   
2. parse string JSON.parse(str)and get array
   
3. find the index of the element to be removedindexOf(valueToDelete)
   
4. remove splice()this element
   
5. convert array to stringJSON.stringify(arr)
   
6. save to storage setItem(key, value)