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(function () { |
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'use strict'; |
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|
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function initCollage() { |
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var collages = document.querySelectorAll('.bkbg-image-collage[data-animate-in="1"]'); |
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if (!collages.length) return; |
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|
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var io = new IntersectionObserver(function (entries) { |
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entries.forEach(function (entry) { |
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if (entry.isIntersecting) { |
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entry.target.classList.add('bkbg-ic--visible'); |
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io.unobserve(entry.target); |
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} |
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}); |
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}, { threshold: 0.15 }); |
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|
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collages.forEach(function (collage) { io.observe(collage); }); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', initCollage); |
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} else { |
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initCollage(); |
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} |
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}()); |
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|
