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extension.lastError - Mozilla | MDN

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In this article
  1. Browser extensions
  2. Getting started
    1. What are extensions?
    2. Your first extension
    3. Your second extension
    4. Anatomy of an extension
    5. Example extensions
    6. What next?
  3. Concepts
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    4. Match patterns
    5. Work with files
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    11. Differences between API implementations
    12. Chrome incompatibilities
  4. User interface
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  5. How to
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    5. Add a button to the toolbar
    6. Implement a settings page
    7. Work with the Tabs API
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    9. Work with the Cookies API
    10. Work with contextual identities
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    12. Extend the developer tools
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  6. JavaScript APIs
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    2. action
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      1. Methods
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        3. getURL() Deprecated
        4. getViews()
        5. isAllowedFileSchemeAccess()
        6. isAllowedIncognitoAccess()
        7. sendRequest() Deprecated
        8. setUpdateUrlData()
      2. Properties
        1. inIncognitoContext
        2. lastError
      3. Types
        1. ViewType
      4. Events
        1. onRequest
        2. onRequestExternal
    21. extensionTypes
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  7. Manifest keys
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In this article extension.lastError

Warning: This function is deprecated, use runtime.lastError instead.

An alias for runtime.lastError.

Browser compatibility

Note: This API is based on Chromium's chrome.extension API. This documentation is derived from extension.json in the Chromium code.

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