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Interface Storage

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

Hierarchy

  • Storage

Indexable

[name: string]: any

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

Index

Properties

Methods

Properties

Readonly length

length: number

Returns the number of key/value pairs currently present in the list associated with the object.

Methods

clear

  • clear(): void
  • Empties the list associated with the object of all key/value pairs, if there are any.

    Returns void

getItem

  • getItem(key: string): string | null
  • Returns the current value associated with the given key, or null if the given key does not exist in the list associated with the object.

    Parameters

    • key: string

    Returns string | null

key

  • key(index: number): string | null
  • Returns the name of the nth key in the list, or null if n is greater than or equal to the number of key/value pairs in the object.

    Parameters

    • index: number

    Returns string | null

removeItem

  • removeItem(key: string): void
  • Removes the key/value pair with the given key from the list associated with the object, if a key/value pair with the given key exists.

    Parameters

    • key: string

    Returns void

setItem

  • setItem(key: string, value: string): void
  • Sets the value of the pair identified by key to value, creating a new key/value pair if none existed for key previously.

    Throws a "QuotaExceededError" DOMException exception if the new value couldn't be set. (Setting could fail if, e.g., the user has disabled storage for the site, or if the quota has been exceeded.)

    Parameters

    • key: string
    • value: string

    Returns void

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