19 lines
No EOL
397 B
JavaScript
19 lines
No EOL
397 B
JavaScript
let lastKnownScrollPosition = 0;
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let ticking = false;
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function doSomething(scrollPos) {
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console.log(scrollPos)
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}
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document.addEventListener('scroll', function(e) {
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lastKnownScrollPosition = window.scrollY;
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if (!ticking) {
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window.requestAnimationFrame(function() {
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doSomething(lastKnownScrollPosition);
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ticking = false;
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});
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ticking = true;
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}
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}); |