getAll() method of the
IDBObjectStore interface returns an
IDBRequest object containing all objects in the object store matching the specified parameter or all objects in the store if no parameters are given.
If a value is successfully found, then a structured clone of it is created and set as the result of the request object.
This method produces the same result for:
- a record that doesn't exist in the database
- a record that has an undefined value
To tell these situations apart, you either call
openCursor()method with the same key. That method provides a cursor if the record exists, and no cursor if it does not.
count()method with the same key, which will return 1 if the row exists and 0 if it doesn't.
var request = objectStore.getAll(); var request = objectStore.getAll(query); var request = objectStore.getAll(query, count);
- query Optional
- A key or
IDBKeyRangeto be queried. If nothing is passed, this will default to a key range that selects all the records in this object store.
- count Optional
- Specifies the number of values to return if more than one is found. If it is lower than
0or greater than
TypeErrorexception will be thrown.
IDBRequest object on which subsequent events related to this operation are fired.
This method may raise a
DOMException of one of the following types:
The key or key range provided contains an invalid key or is null.
TypeError exception is thrown if the
count parameter is not between
|Indexed Database API 2.0
The definition of 'getAll()' in that specification.
|Feature||Android webview||Chrome for Android||Edge mobile||Firefox for Android||Opera Android||iOS Safari||Samsung Internet|
1. From version 44: this feature is behind the
dom.indexedDB.experimental preference. To change preferences in Firefox, visit about:config.