IDBCursor.request
The request
read-only property of the IDBCursor
interface returns the IDBRequest
used to obtain the cursor.
Note: This feature is available in Web Workers
Value
An IDBRequest
object instance.
Examples
When you open a cursor, the request
property is then available on that cursor object, to tell you what request object the cursor originated from. For example:
function displayData() {
list.textContent = '';
const transaction = db.transaction(['rushAlbumList'], 'readonly');
const objectStore = transaction.objectStore('rushAlbumList');
const request = objectStore.openCursor();
request.onsuccess = function(event) {
const cursor = event.target.result;
if(cursor) {
const listItem = document.createElement('li');
listItem.innerHTML = '<strong>' + cursor.value.albumTitle + '</strong>, ' + cursor.value.year;
list.appendChild(listItem);
console.log(cursor.request);
cursor.continue();
} else {
console.log('Entries all displayed.');
}
};
};
Specifications
Specification |
---|
Indexed Database API 3.0 # ref-for-dom-idbcursor-request① |
Browser compatibility
BCD tables only load in the browser
See also
- Using IndexedDB
- Starting transactions:
IDBDatabase
- Using transactions:
IDBTransaction
- Setting a range of keys:
IDBKeyRange
- Retrieving and making changes to your data:
IDBObjectStore
- Using cursors:
IDBCursor
- Reference example: To-do Notifications (view example live.)