Method previous

static/presentation.ts:49–55

()

    }

    public previous() {
        if (this.currentSlide > 0) {
            this.currentSlide--;
            localStorage.set(CURRENT_SLIDE_KEY, this.currentSlide.toString(10));
            this.show();
        }
    }

    public show() {
        window.hasUIBeenReset = true;