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    Interface EngineeringMode

    @mozilla.org/dom/engineering-mode-api;1

    engineeringMode

    CertifiedApps

    engineering-mode Provides access to engineering mode settings.

    interface EngineeringMode {
        onmessage: EventHandler;
        addEventListener(
            type: string,
            callback: EventListenerOrEventListenerObject | null,
            options?: boolean | AddEventListenerOptions,
        ): void;
        dispatchEvent(event: Event): boolean;
        getValue(name: string): Promise<string>;
        removeEventListener(
            type: string,
            callback: EventListenerOrEventListenerObject | null,
            options?: boolean | EventListenerOptions,
        ): void;
        setValue(name: string, value: string): Promise<void>;
    }

    Hierarchy

    • EventTarget
      • EngineeringMode
    Index

    Properties

    onmessage

    Methods

    addEventListener dispatchEvent getValue removeEventListener setValue

    Properties

    onmessage: EventHandler

    Event handler for messages.

    Methods

    • The addEventListener() method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.

      MDN Reference

      Parameters

      • type: string
      • callback: EventListenerOrEventListenerObject | null
      • Optionaloptions: boolean | AddEventListenerOptions

      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

    • Gets the value of a specific setting.

      Parameters

      • name: string

        The name of the setting.

      Returns Promise<string>

    • The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target.

      MDN Reference

      Parameters

      • type: string
      • callback: EventListenerOrEventListenerObject | null
      • Optionaloptions: boolean | EventListenerOptions

      Returns void

    • Sets the value of a specific setting.

      Parameters

      • name: string

        The name of the setting.

      • value: string

        The value to set.

      Returns Promise<void>

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    Properties
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