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URL: https://www.noaa.gov/themes/custom/noaa_guswds/js/noaa/sticky-top.js?sk32m1

pse otherwise. //when wrapper collapses it can cause the page to be shorter and hit the "sticky point" causing the page to jump down //and you can never actually scroll to the top stickyElementWrapper.css('height' , stickyElementWrapper.outerHeight()); $(window).scroll(function(){ //check for visibility, when blind is open element gets set to sticky and a width of 0 otherwise if (stickyElement.is(':visible')) { setFixed(); } if (stickyElement.hasClass('fixed') && stickyElement.is(':visible')) { setWidth(); setLeft(); } }); $(window).resize(function(){ //when resizing the window the element may go above the page top setFixed(); if (stickyElement.hasClass('fixed')) { //on resize keep the fixed element same width as parent setWidth(); //since the left position is set after the menu closes we must update the left pos on resize setLeft(); } else { stickyElement.width(''); } }); //this event haapens in menu.js when the menu closing animation is finished after window load $(document).on('menuMoved', function() { setLeft(); }); function setWidth() { var stickyElementWrapperWidth = stickyElementWrapper.outerWidth(); stickyElement.width(stickyElementWrapperWidth); } function setLeft() { var leftPos = stickyElementWrapper.offset().left + 'px'; stickyElement.css('left' , leftPos); } function setFixed() { //if element goes above page top set it to fixed. //if it goes below unset fixed position var windowTop = $(window).scrollTop(); var elementTop = stickyElementWrapper.offset().top; if (windowTop >= elementTop) { stickyElement.addClass('fixed'); //once its fixed the width changes because it no longer has the same parent, so set the width to the parent width; stickyElement.width(stickyElementWrapperWidth); } else { stickyElement.removeClass('fixed'); } } } } })(jQuery, Drupal); pFad - Phonifier reborn

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