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    Interface IDBRequest<T>

    The IDBRequest interface of the IndexedDB API provides access to results of asynchronous requests to databases and database objects using event handler attributes.

    MDN Reference

    interface IDBRequest<T = any> {
        error: DOMException | null;
        onerror: ((this: IDBRequest<T>, ev: Event) => any) | null;
        onsuccess: ((this: IDBRequest<T>, ev: Event) => any) | null;
        readyState: IDBRequestReadyState;
        result: T;
        source: IDBObjectStore | IDBIndex | IDBCursor;
        transaction: IDBTransaction | null;
        addEventListener<K extends keyof IDBRequestEventMap>(
            type: K,
            listener: (this: IDBRequest<T>, ev: IDBRequestEventMap[K]) => any,
            options?: boolean | AddEventListenerOptions,
        ): void;
        addEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | AddEventListenerOptions,
        ): void;
        dispatchEvent(event: Event): boolean;
        removeEventListener<K extends keyof IDBRequestEventMap>(
            type: K,
            listener: (this: IDBRequest<T>, ev: IDBRequestEventMap[K]) => any,
            options?: boolean | EventListenerOptions,
        ): void;
        removeEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | EventListenerOptions,
        ): void;
    }

    Type Parameters

    • T = any

    Hierarchy (View Summary)

    Index

    Properties

    error onerror onsuccess readyState result source transaction

    Methods

    addEventListener dispatchEvent removeEventListener

    Properties

    error: DOMException | null

    The error read-only property of the request.

    MDN Reference

    onerror: ((this: IDBRequest<T>, ev: Event) => any) | null

    MDN Reference

    onsuccess: ((this: IDBRequest<T>, ev: Event) => any) | null

    MDN Reference

    readyState: IDBRequestReadyState

    The readyState read-only property of the Every request starts in the pending state.

    MDN Reference

    result: T

    The result read-only property of the any - InvalidStateError DOMException - : Thrown when attempting to access the property if the request is not completed, and therefore the result is not available.

    MDN Reference

    source: IDBObjectStore | IDBIndex | IDBCursor

    The source read-only property of the Index or an object store.

    MDN Reference

    transaction: IDBTransaction | null

    The transaction read-only property of the IDBRequest interface returns the transaction for the request, that is, the transaction the request is being made inside.

    MDN Reference

    Methods

    • The dispatchEvent() method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order.

      MDN Reference

      Parameters

      • event: Event

      Returns boolean

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