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    Interface RTCDataChannel

    The RTCDataChannel interface represents a network channel which can be used for bidirectional peer-to-peer transfers of arbitrary data.

    MDN Reference

    interface RTCDataChannel {
        binaryType: BinaryType;
        bufferedAmount: number;
        bufferedAmountLowThreshold: number;
        id: number | null;
        label: string;
        maxPacketLifeTime: number | null;
        maxRetransmits: number | null;
        negotiated: boolean;
        onbufferedamountlow: ((this: RTCDataChannel, ev: Event) => any) | null;
        onclose: ((this: RTCDataChannel, ev: Event) => any) | null;
        onclosing: ((this: RTCDataChannel, ev: Event) => any) | null;
        onerror: ((this: RTCDataChannel, ev: RTCErrorEvent) => any) | null;
        onmessage: ((this: RTCDataChannel, ev: MessageEvent) => any) | null;
        onopen: ((this: RTCDataChannel, ev: Event) => any) | null;
        ordered: boolean;
        protocol: string;
        readyState: RTCDataChannelState;
        addEventListener<K extends keyof RTCDataChannelEventMap>(
            type: K,
            listener: (this: RTCDataChannel, ev: RTCDataChannelEventMap[K]) => any,
            options?: boolean | AddEventListenerOptions,
        ): void;
        addEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | AddEventListenerOptions,
        ): void;
        close(): void;
        dispatchEvent(event: Event): boolean;
        removeEventListener<K extends keyof RTCDataChannelEventMap>(
            type: K,
            listener: (this: RTCDataChannel, ev: RTCDataChannelEventMap[K]) => any,
            options?: boolean | EventListenerOptions,
        ): void;
        removeEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | EventListenerOptions,
        ): void;
        send(data: string): void;
        send(data: Blob): void;
        send(data: ArrayBuffer): void;
        send(data: ArrayBufferView<ArrayBuffer>): void;
    }

    Hierarchy

    • EventTarget
      • RTCDataChannel
    Index

    Properties

    binaryType bufferedAmount bufferedAmountLowThreshold id label maxPacketLifeTime maxRetransmits negotiated onbufferedamountlow onclose onclosing onerror onmessage onopen ordered protocol readyState

    Methods

    addEventListener close dispatchEvent removeEventListener send

    Properties

    binaryType: BinaryType

    The property binaryType on the the type of object which should be used to represent binary data received on the RTCDataChannel.

    MDN Reference

    bufferedAmount: number

    The read-only RTCDataChannel property bufferedAmount returns the number of bytes of data currently queued to be sent over the data channel.

    MDN Reference

    bufferedAmountLowThreshold: number

    The RTCDataChannel property bufferedAmountLowThreshold is used to specify the number of bytes of buffered outgoing data that is considered 'low.' The default value is 0.

    MDN Reference

    id: number | null

    The read-only RTCDataChannel property id returns an ID number (between 0 and 65,534) which uniquely identifies the RTCDataChannel.

    MDN Reference

    label: string

    The read-only RTCDataChannel property label returns a string containing a name describing the data channel.

    MDN Reference

    maxPacketLifeTime: number | null

    The read-only RTCDataChannel property maxPacketLifeTime returns the amount of time, in milliseconds, the browser is allowed to take to attempt to transmit a message, as set when the data channel was created, or null.

    MDN Reference

    maxRetransmits: number | null

    The read-only RTCDataChannel property maxRetransmits returns the maximum number of times the browser should try to retransmit a message before giving up, as set when the data channel was created, or null, which indicates that there is no maximum.

    MDN Reference

    negotiated: boolean

    The read-only RTCDataChannel property negotiated indicates whether the (true) or by the WebRTC layer (false).

    MDN Reference

    onbufferedamountlow: ((this: RTCDataChannel, ev: Event) => any) | null

    MDN Reference

    onclose: ((this: RTCDataChannel, ev: Event) => any) | null

    MDN Reference

    onclosing: ((this: RTCDataChannel, ev: Event) => any) | null

    MDN Reference

    onerror: ((this: RTCDataChannel, ev: RTCErrorEvent) => any) | null

    MDN Reference

    onmessage: ((this: RTCDataChannel, ev: MessageEvent) => any) | null

    MDN Reference

    onopen: ((this: RTCDataChannel, ev: Event) => any) | null

    MDN Reference

    ordered: boolean

    The read-only RTCDataChannel property ordered indicates whether or not the data channel guarantees in-order delivery of messages; the default is true, which indicates that the data channel is indeed ordered.

    MDN Reference

    protocol: string

    The read-only RTCDataChannel property protocol returns a string containing the name of the subprotocol in use.

    MDN Reference

    readyState: RTCDataChannelState

    The read-only RTCDataChannel property readyState returns a string which indicates the state of the data channel's underlying data connection.

    MDN Reference

    Methods

    • The RTCDataChannel.close() method closes the closure of the channel.

      MDN Reference

      Returns void

    • 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

    • The send() method of the remote peer.

      MDN Reference

      Parameters

      • data: string

      Returns void

    • Parameters

      • data: Blob

      Returns void

    • Parameters

      • data: ArrayBuffer

      Returns void

    • Parameters

      Returns void

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