| 1 |
(function () { |
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function initCurriculum(card) { |
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var expandAll = card.dataset.expandAll === '1'; |
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var defaultOpen = parseInt(card.dataset.defaultOpen, 10) || 0; |
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|
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var sections = card.querySelectorAll('.bkbg-cc-section'); |
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|
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sections.forEach(function (section, idx) { |
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var hdr = section.querySelector('.bkbg-cc-sec-hdr'); |
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var lessons = section.querySelector('.bkbg-cc-lessons'); |
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if (!hdr || !lessons) return; |
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|
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var shouldOpen = expandAll || idx === defaultOpen; |
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hdr.setAttribute('aria-expanded', shouldOpen ? 'true' : 'false'); |
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lessons.setAttribute('aria-hidden', shouldOpen ? 'false' : 'true'); |
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|
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hdr.addEventListener('click', function () { |
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var isOpen = hdr.getAttribute('aria-expanded') === 'true'; |
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hdr.setAttribute('aria-expanded', isOpen ? 'false' : 'true'); |
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lessons.setAttribute('aria-hidden', isOpen ? 'true' : 'false'); |
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}); |
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|
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hdr.addEventListener('keydown', function (e) { |
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if (e.key === 'Enter' || e.key === ' ') { |
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e.preventDefault(); |
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hdr.click(); |
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} |
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}); |
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}); |
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} |
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|
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function init() { |
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var cards = document.querySelectorAll('.bkbg-cc-card'); |
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cards.forEach(initCurriculum); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', init); |
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} else { |
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init(); |
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} |
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})(); |
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|
