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From Drawn to Life Wiki
Search header animation
});
});
});
});
(function(){
var doc = document.documentElement;
var w = window;
var prevScroll = w.scrollY || doc.scrollTop;
var curScroll;
var direction = 0;
var prevDirection = 0;
var header = document.getElementById('mw-header-container');
var checkScroll = function() {
/*
** Find the direction of scroll
** 0 - initial, 1 - up, 2 - down
*/
curScroll = w.scrollY || doc.scrollTop;
if (curScroll > prevScroll) {
//scrolled up
direction = 2;
}
else if (curScroll < prevScroll) {
//scrolled down
direction = 1;
}
if (direction !== prevDirection) {
toggleHeader(direction, curScroll);
}
prevScroll = curScroll;
};
var toggleHeader = function(direction, curScroll) {
if (direction === 2 && curScroll > 52) {
//replace 52 with the height of your header in px
header.classList.add('hide');
prevDirection = direction;
}
else if (direction === 1) {
header.classList.remove('hide');
prevDirection = direction;
}
};
window.addEventListener('scroll', checkScroll);
})();
