Create an Index for the Object Store
Explore how to create an index in an IndexedDB object store using the createIndex method within the onupgradeneeded event. This lesson guides you through setting up index names, key paths, and options to efficiently organize and retrieve object store data in your web applications.
We'll cover the following...
We'll cover the following...
The createIndex() method
To create an index in IndexedDB, we use the createIndex() method of the IDBObjectStore interface. The createIndex() method can be called only inside the onupgradeneeded event handler.
Syntax
createIndex(name, keyPath)createIndex(name, keyPath, options)
Syntax for the createIndex() method
The createIndex() method takes three arguments:
name: The name of the new index. It is used to identify the index when we need to query it or perform other operations. The name must be ...