43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
const letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
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window.onload = function() {
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document.querySelectorAll(".scramble").forEach(item => {
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item.addEventListener("mouseover", scramble);
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});
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window.addEventListener('scroll', function() {
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const parallax = document.querySelector('.parallax')
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let scrollPosition = window.pageYOffset;
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parallax.style.transform = 'translateY(' + scrollPosition * .5 + 'px)';
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})
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}
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function scramble(event){
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scrambleLetters(event.target);
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}
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function scrambleLetters(element) {
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let iterations = 0;
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const originalValue = element.dataset.value;
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let interval = setInterval(() => {
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element.innerText = element.innerText.split("")
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.map((letter, index) => {
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if(index < iterations){
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return originalValue[index];
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}
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return letters[Math.floor(Math.random() * letters.length)];
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}).join("")
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iterations += 1 / 3;
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if(iterations > originalValue.length){
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clearInterval(interval);
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element.innerText = originalValue;
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}
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}, 30);
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}
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