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va/assets/js/reel.js

24 lines
637 B
JavaScript

(function () {
const className = 'js-reel';
const reels = Array.from(document.querySelectorAll(`.${className}`));
const toggleOverflowClass = elem => {
elem.classList.toggle('js-reel_overflowing', elem.scrollWidth > elem.clientWidth);
};
for (let reel of reels) {
if ('ResizeObserver' in window) {
new ResizeObserver(entries => {
toggleOverflowClass(entries[0].target);
}).observe(reel);
}
if ('MutationObserver' in window) {
new MutationObserver(entries => {
toggleOverflowClass(entries[0].target);
}).observe(reel, {
childList: true
});
}
}
})();