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QuotaExceededError

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The QuotaExceededError interface represents an error when a requested operation would exceed a system-imposed storage quota.

Note: In browser versions before this interface was implemented, it was a regular DOMException. The subclassing allows for extra information like quota and requested to be included.

DOMException QuotaExceededError

In this article

Constructor

QuotaExceededError()

Creates a QuotaExceededError object.

Instance properties

Also inherits properties from its ancestor DOMException.

QuotaExceededError.quota Read only

Returns the system-defined storage limit (in bytes) that was exceeded.

requested Read only

Returns the amount of storage (in bytes) that was requested during the operation.

Specifications

Specification
Web IDL
# quotaexceedederror

Browser compatibility

See also

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This page was last modified on Aug 20, 2025 by MDN contributors.

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  1. Document Object Model (DOM)
  2. QuotaExceededError
  3. Constructor
    1. QuotaExceededError()
  4. Instance properties
    1. quota
    2. requested
  5. Inheritance
    1. DOMException
  6. Related pages for DOM
    1. AbortController
    2. AbortSignal
    3. AbstractRange
    4. Attr
    5. CDATASection
    6. CharacterData
    7. Comment
    8. CustomEvent
    9. DOMError
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  7. Guides
    1. Anatomy of the DOM
    2. Attribute reflection
    3. Selection and traversal on the DOM tree
    4. Building and updating the DOM tree
    5. Working with events
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