intro.js
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    Type Alias introBeforeChangeCallback

    introBeforeChangeCallback: (
        this: Tour,
        targetElement: HTMLElement,
        currentStep: number,
        direction: "backward" | "forward",
    ) => Promise<boolean> | boolean

    Type declaration

      • (
            this: Tour,
            targetElement: HTMLElement,
            currentStep: number,
            direction: "backward" | "forward",
        ): Promise<boolean> | boolean

      • Parameters

        • this: Tour
        • targetElement: HTMLElement
        • currentStep: number
        • direction: "backward" | "forward"

        Returns Promise<boolean> | boolean

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