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Using Cursor to Update and Delete Data of the Object Store

Using Cursor to Update and Delete Data of the Object Store

Learn how to update and delete the data of the object store using the cursor.

We can alter or remove the data while iterating through data with a cursor. This is done using the update() method for changes and the delete() method for deletions.

The update() method

The update() method will commit the value provided into the object store.

Syntax

cursorObject.update(new_value)
Syntax for the update() method

This method takes the new_value to be updated as an argument and returns an IDBRequest object as a return value. We can add the success and error event listeners to the returned object to listen for the state of the update operation.

The delete() method

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