uikit/src/js/components/internal/slider-preload.js

UIkit is a lightweight and modular front-end framework for developing fast and powerful web interfaces.

import Lazyload from '../../mixin/lazyload';

export default {
    mixins: [Lazyload],

    connected() {
        this.lazyload(this.slides, this.getAdjacentSlides);
    },
};