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Make header appear when cursor gets near top of window

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Hi, 

I currently have a header that disappears on scroll down and reappears on scroll up. It's working really well using the code below. However I would also like the header to reappear when the user moves the cursor near to the top of the viewport. Can this be done with javascript?

site: https://adrisenergy.squarespace.com/

password: 1234

Any help greatly appreciated

// Hide Header on on scroll down
var didScroll;
var lastScrollTop = 0;
var delta = 5;
var navbarHeight = $('header').outerHeight();

$(window).scroll(function(event){
    didScroll = true;
});

setInterval(function() {
    if (didScroll) {
        hasScrolled();
        didScroll = false;
    }
}, 50);

function hasScrolled() {
    var st = $(this).scrollTop();
    
    // Make sure they scroll more than delta
    if(Math.abs(lastScrollTop - st) <= delta)
        return;
    
    // If they scrolled down and are past the navbar, add class .nav-up.
    // This is necessary so you never see what is "behind" the navbar.
    if (st > lastScrollTop && st > navbarHeight){
        // Scroll Down
        $('header').removeClass('nav-down').addClass('nav-up');
    } else {
        // Scroll Up
        if(st + $(window).height() < $(document).height()) {
            $('header').removeClass('nav-up').addClass('nav-down');
        }
    }
    
    lastScrollTop = st;
}

 

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On 8/24/2022 at 10:48 PM, vincentlefre said:

Hi, 

I currently have a header that disappears on scroll down and reappears on scroll up. It's working really well using the code below. However I would also like the header to reappear when the user moves the cursor near to the top of the viewport. Can this be done with javascript?

site: https://adrisenergy.squarespace.com/

password: 1234

Any help greatly appreciated

// Hide Header on on scroll down
var didScroll;
var lastScrollTop = 0;
var delta = 5;
var navbarHeight = $('header').outerHeight();

$(window).scroll(function(event){
    didScroll = true;
});

setInterval(function() {
    if (didScroll) {
        hasScrolled();
        didScroll = false;
    }
}, 50);

function hasScrolled() {
    var st = $(this).scrollTop();
    
    // Make sure they scroll more than delta
    if(Math.abs(lastScrollTop - st) <= delta)
        return;
    
    // If they scrolled down and are past the navbar, add class .nav-up.
    // This is necessary so you never see what is "behind" the navbar.
    if (st > lastScrollTop && st > navbarHeight){
        // Scroll Down
        $('header').removeClass('nav-down').addClass('nav-up');
    } else {
        // Scroll Up
        if(st + $(window).height() < $(document).height()) {
            $('header').removeClass('nav-up').addClass('nav-down');
        }
    }
    
    lastScrollTop = st;
}

 

You can refer the following javascript event: https://developer.mozilla.org/en-US/docs/Web/API/Element/mousemove_event

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