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(function () { |
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'use strict'; |
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|
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// Floating Stats — card reveal + numeric count-up animation |
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|
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function parseNumber(str) { |
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// Extract leading number from strings like "10,000+" or "99.9%" or "4.9" |
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var clean = str.replace(/,/g, '').match(/[\d.]+/); |
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return clean ? parseFloat(clean[0]) : null; |
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} |
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|
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function formatNumber(num, original) { |
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// Restore formatting similar to original |
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var hasComma = original.indexOf(',') !== -1; |
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var suffix = original.replace(/[\d,. ]/g, ''); |
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var prefix = ''; |
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// detect prefix like $ £ € |
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var prefixMatch = original.match(/^[^0-9]*/); |
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if (prefixMatch && prefixMatch[0]) prefix = prefixMatch[0]; |
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var formatted = hasComma ? num.toLocaleString('en-US', { maximumFractionDigits: 1 }) : (Number.isInteger(num) ? num.toString() : num.toFixed(1)); |
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return prefix + formatted + suffix; |
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} |
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|
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function animateCountUp(el, duration) { |
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var original = el.textContent.trim(); |
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var target = parseNumber(original); |
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if (target === null || target === 0) return; |
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|
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var start = null; |
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var startVal = 0; |
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|
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function step(timestamp) { |
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if (!start) start = timestamp; |
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var progress = Math.min((timestamp - start) / duration, 1); |
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// Ease out cubic |
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var eased = 1 - Math.pow(1 - progress, 3); |
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var current = startVal + (target - startVal) * eased; |
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|
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// Format matches original (integer vs decimal) |
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var isInt = Number.isInteger(target); |
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var displayVal = isInt ? Math.round(current) : parseFloat(current.toFixed(1)); |
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el.textContent = formatNumber(displayVal, original); |
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|
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if (progress < 1) { |
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requestAnimationFrame(step); |
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} else { |
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el.textContent = original; // restore exact original |
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} |
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} |
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|
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requestAnimationFrame(step); |
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} |
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|
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function initFloatingStats() { |
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var wraps = document.querySelectorAll('.bkbg-floating-stats'); |
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if (!wraps.length) return; |
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|
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if (!('IntersectionObserver' in window)) { |
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wraps.forEach(function (wrap) { |
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wrap.querySelectorAll('.bkbg-floating-card').forEach(function (card) { |
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card.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 cardObs = new IntersectionObserver(function (entries) { |
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entries.forEach(function (entry) { |
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if (!entry.isIntersecting) return; |
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entry.target.classList.add('is-visible'); |
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cardObs.unobserve(entry.target); |
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}); |
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}, { threshold: 0.2, rootMargin: '0px 0px -30px 0px' }); |
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|
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var wrapObs = new IntersectionObserver(function (entries) { |
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entries.forEach(function (entry) { |
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if (!entry.isIntersecting) return; |
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var wrap = entry.target; |
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var doCountUp = wrap.getAttribute('data-count-up') === '1'; |
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if (doCountUp) { |
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wrap.querySelectorAll('.bkbg-floating-card__value').forEach(function (el) { |
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animateCountUp(el, 1600); |
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}); |
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} |
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wrapObs.unobserve(wrap); |
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}); |
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}, { threshold: 0.25 }); |
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|
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wraps.forEach(function (wrap) { |
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wrap.querySelectorAll('.bkbg-floating-card').forEach(function (card) { |
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cardObs.observe(card); |
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}); |
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wrapObs.observe(wrap); |
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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', initFloatingStats); |
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} else { |
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initFloatingStats(); |
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} |
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}()); |
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