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Home Interviews Write a function to get all records from an object store. – MindStick
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1 Answers

ICSM Computer
ICSM Computer 30 Jun 2025
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To get all records from an IndexedDB object store, you can use the getAll() method. Here's a reusable JavaScript function that does this:

Function to Get All Records from IndexedDB Object Store

function getAllRecords(dbName, storeName) {
    return new Promise((resolve, reject) => {
        // Open the database
        const request = indexedDB.open(dbName);

        request.onerror = (event) => {
            reject(`Database error: ${event.target.errorCode}`);
        };

        request.onsuccess = (event) => {
            const db = event.target.result;

            // Open a read-only transaction
            const transaction = db.transaction([storeName], 'readonly');
            const objectStore = transaction.objectStore(storeName);

            // Use getAll() to retrieve all records
            const getAllRequest = objectStore.getAll();

            getAllRequest.onsuccess = () => {
                resolve(getAllRequest.result);
            };

            getAllRequest.onerror = (event) => {
                reject(`GetAll error: ${event.target.errorCode}`);
            };
        };
    });
}

Example Usage

getAllRecords('MyDatabase', 'MyStore')
    .then(records => {
        console.log('All records:', records);
    })
    .catch(error => {
        console.error('Error fetching records:', error);
    });

Notes

  • This works only if your browser supports IDBObjectStore.getAll() (most modern browsers do).
  • If you're using a cursor-based approach (older browsers or want more control), let me know — I can provide that too.
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