HTML5: Your visual blueprint™ for designing rich web pages and applications

RETRIEVE OBJECTS USING THE INDEXEDDB API

You can retrieve objects out of an IndexedDB object store using a cursor. This is an enumeration tool that progresses through the list of all objects and returns them to your JavaScript program one by one:

function displayObjects() {
   var transaction =
 db.transaction(objectStore, IDBTransaction.
 READ_ONLY);
  var store = transaction.
 objectStore(objectStore);
  var request = store.openCursor();
   request.onsuccess = function(event) {
     if (cursor = event.target.result) {
       renderObject(cursor.value);
      cursor.continue();
     }
   };
 }

The store.openCursor() method starts the object store retrieval process. For each object, a success event fires. You must retrieve the cursor from event.target. result, process the cursor’s ...