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(function () { |
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'use strict'; |
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|
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function initBentoGrid() { |
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var grids = document.querySelectorAll('.bkbg-bento-grid[data-animate="1"]'); |
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if (!grids.length) return; |
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|
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if (!('IntersectionObserver' in window)) { |
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grids.forEach(function (grid) { |
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grid.querySelectorAll('.bkbg-bento-cell').forEach(function (cell) { |
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cell.classList.add('is-visible'); |
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}); |
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}); |
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return; |
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} |
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|
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var obs = 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('is-visible'); |
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obs.unobserve(entry.target); |
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} |
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}); |
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}, { threshold: 0.12, rootMargin: '0px 0px -40px 0px' }); |
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|
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grids.forEach(function (grid) { |
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grid.querySelectorAll('.bkbg-bento-cell').forEach(function (cell) { |
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obs.observe(cell); |
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}); |
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}); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', initBentoGrid); |
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} else { |
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initBentoGrid(); |
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} |
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}()); |
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|
