n response.json();
    }

    class ScrollMorePaginator {
        constructor(perPage) {
            this.perPage = perPage
            this.pageIndex = 1
            this.lastPage = false
            this.container = document.querySelector("#keywords")
            this.elements = document.querySelectorAll("pre")
            this.loader = document.querySelector("#loading")
            this.options = {
                root: null,
                rootMargin: "0px",
                threshold: 0.25
            