sforkowany z mirror/friendica
Merge pull request #8271 from MrPetovan/bug/8229-frio-mobile-back-to-top
[frio] Improve back to top button behavior at bottom of page2022.09-rc
commit
8293d5ed0a
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@ -3,11 +3,21 @@ var jotcache = ''; //The jot cache. We use it as cache to restore old/original j
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$(document).ready(function(){
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//fade in/out based on scrollTop value
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var scrollStart;
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$(window).scroll(function () {
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if ($(this).scrollTop() > 1000) {
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$("#back-to-top").fadeIn();
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} else {
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let currentScroll = $(this).scrollTop();
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// Top of the page or going down = hide the button
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if (!scrollStart || !currentScroll || currentScroll > scrollStart) {
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$("#back-to-top").fadeOut();
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scrollStart = currentScroll;
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}
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// Going up enough = show the button
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if (scrollStart - currentScroll > 100) {
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$("#back-to-top").fadeIn();
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scrollStart = currentScroll;
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}
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});
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