document.getElementById("sh").addEventListener("input",(e)=>{
    $.ajax({
        type: "post",
        url: "example.com/sh.php",
        data: {text:this.value},
        dataType: "json",
        success: function (response) {
            
        }
    });
});

fetch(next_url).then(
                response => response.text()
            ).then(data => {

                const parser = new DOMParser();
                const doc = parser.parseFromString(data, 'text/html');

let cnt = 2;
let blk = 0;
async function nextpage() {
    if (cnt !== blk) {
        blk = cnt;
        await (async () => {
            let next_url = "https://fox-black.com/blog/page/" + cnt;
            return await fetch(next_url).then(
                response => response.text()
            ).then(data => {
                const parser = new DOMParser();
                const doc = parser.parseFromString(data, 'text/html');
                let blogs = doc.querySelectorAll('.blogpage');
                cnt++;
                if (blogs[0].innerHTML !== undefined) {
                    document.querySelector(".foxpage").insertAdjacentHTML("beforeend", (function (elm) {
                        let str = "";
                        for (const key in elm) {
                            const element = elm[key];
                            if (element.innerHTML !== undefined) {
                                str += "<div class=\"blogpage\">" + element.innerHTML + "</div>";
                            }
                        }
                        return str;
                    })(blogs));
                } else {
                    if (document.querySelector("#fin") === null) {
                        document.querySelector(".foxpage").insertAdjacentHTML("beforeend", "<div id=\"fin\"></div>");
                    }
                }
            }).catch(error => {
                if (document.querySelector("#fin") === null) {
                    document.querySelector(".foxpage").insertAdjacentHTML("beforeend", "<div id=\"fin\"></div>");
                }
            });
        })();
    }
}

if (navigator.userAgent.match(/iPhone|Android.+Mobile/)) {
    window.addEventListener("scroll", async function () {
        let s = (() => {
            let tgt;
            if ('scrollingElement' in document) {
                tgt = document.scrollingElement;
            } else if (this.browser.isWebKit) {
                tgt = document.body;
            } else {
                tgt = document.documentElement;
            }
            return tgt;
        })();
        if (document.querySelector("#fin") === null && s.scrollTop >= (s.clientHeight - 650)) {
            await nextpage();
        }
    });
} else {
    document.querySelector(".foxpage").addEventListener("scroll", async function () {
        if (document.querySelector("#fin") === null && document.querySelector(".foxpage").scrollTop >= (document.querySelector(".foxpage").scrollHeight - 300)) {
            await nextpage();
        }
    });
}