Storage

The Storage interface of the Web Storage API provides access to a particular domain's session or local storage. It allows, for example, the addition, modification, or deletion of stored data items.

MDN Reference

Properties

length

val length: Int

The length read-only property of the Storage interface returns the number of data items stored in a given Storage object.

Functions

clear

fun clear()

The clear() method of the Storage interface clears all keys stored in a given Storage object.

getItem

fun getItem(key: String): String?

The getItem() method of the Storage interface, when passed a key name, will return that key's value, or null if the key does not exist, in the given Storage object.

key

fun key(index: Int): String?

The key() method of the Storage interface, when passed a number n, returns the name of the nth key in a given Storage object. The order of keys is user-agent defined, so you should not rely on it.

removeItem

fun removeItem(key: String)

The removeItem() method of the Storage interface, when passed a key name, will remove that key from the given Storage object if it exists. The Storage interface of the Web Storage API provides access to a particular domain's session or local storage.

setItem

fun setItem(key: String, value: String)

The setItem() method of the Storage interface, when passed a key name and value, will add that key to the given Storage object, or update that key's value if it already exists.