19 lines
731 B
JavaScript
19 lines
731 B
JavaScript
function handleSticky() {
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if (window.scrollY >= window.innerHeight * 0.65) {
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document.querySelector('header').setAttribute('data-header-visible', true);
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} else {
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document.querySelector('header').setAttribute('data-header-visible', false);
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}
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if (document.querySelector('.intro')) {
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const intro = document.querySelector('.intro');
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intro.style = `--percentIntroScroll : ${window.scrollY / intro.offsetTop - 0.2}`;
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}
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if (document.querySelector('.features')) {
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const features = document.querySelector('.features');
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features.style = `--percentFeatureScroll : ${window.scrollY / features.offsetTop - 0.4}`;
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}
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}
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window.onload = function () {
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window.addEventListener('scroll', this.handleSticky);
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};
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