48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
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const smallCups = document.querySelectorAll('.cup-small')
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const listers = document.getElementById('liters')
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const percentage = document.getElementById('percentage')
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const remained = document.getElementById('remained')
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updateBigCup()
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smallCups.forEach((cup, idx) => {
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cup.addEventListener('click', () => highlightCups(idx))
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})
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function highlightCups(idx) {
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if(smallCups[idx].classList.contains('full') && !smallCups[idx].nextElementSibling.classList.contains('full')) {
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idx--
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}
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smallCups.forEach((cup, idx2) => {
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if(idx2 <= idx) {
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cup.classList.add('full')
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} else {
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cup.classList.remove('full')
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}
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})
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updateBigCup()
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}
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function updateBigCup() {
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const fullCups = document.querySelectorAll('.cup-small.full').length
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const totalCups = smallCups.length
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if(fullCups === 0) {
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percentage.style.visibility = 'hidden'
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percentage.style.height = 0
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} else {
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percentage.style.visibility = 'visible'
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percentage.style.height = `${fullCups / totalCups * 330}px`
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percentage.innerText = `${fullCups / totalCups * 100}%`
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}
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if(fullCups === totalCups) {
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remained.style.visibility = 'hidden'
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remained.style.height = 0
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} else {
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remained.style.visibility = 'visible'
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listers.innerText = `${2 - (250 * fullCups / 1000)}L`
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}
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}
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