26 lines
1.0 KiB
JavaScript
26 lines
1.0 KiB
JavaScript
jQuery(document).ready(function($){
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var timelineBlocks = $('.cd-timeline-block'),
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offset = 0.8;
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//hide timeline blocks which are outside the viewport
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hideBlocks(timelineBlocks, offset);
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//on scolling, show/animate timeline blocks when enter the viewport
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$(window).on('scroll', function(){
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(!window.requestAnimationFrame)
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? setTimeout(function(){ showBlocks(timelineBlocks, offset); }, 100)
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: window.requestAnimationFrame(function(){ showBlocks(timelineBlocks, offset); });
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});
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function hideBlocks(blocks, offset) {
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blocks.each(function(){
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( $(this).offset().top > $(window).scrollTop()+$(window).height()*offset ) && $(this).find('.cd-timeline-img, .cd-timeline-content').addClass('is-hidden');
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});
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}
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function showBlocks(blocks, offset) {
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blocks.each(function(){
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( $(this).offset().top <= $(window).scrollTop()+$(window).height()*offset && $(this).find('.cd-timeline-img').hasClass('is-hidden') ) && $(this).find('.cd-timeline-img, .cd-timeline-content').removeClass('is-hidden').addClass('bounce-in');
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});
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}
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}); |