On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 132 on 2025-01-14 Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
In Chrome Android version 132 on 2025-01-14 Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
Not in Edge
In Firefox version 14 on 2012-07-17
In Firefox for Android version 22 on 2013-06-25
Not in Internet Explorer
Not in Quest Browser
In Opera version 117 on 2025-02-13 Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
In Opera Android version 87 on 2025-01-22 Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 29.0 on undefined Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
In WebView Android version 132 on 2025-01-14 Note: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors. Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
In WebView on iOS version 8 on 2014-09-17