Get the Online Status and Metadata of a minecraft server using JavaScript

mc-server-status.html

    <script>
        const SERVER_URL = "mc.hypixel.net";

        // set any of below values to "off" if not needed 
        const HTML_STATUS_ELEMENT_ID = "status";
        const HTML_PLAYERCOUNT_ELEMENT_ID = "players";
        const HTML_MOTD_ELEMENT_ID = "motd";
        const HTML_ICON_ELEMENT_ID = "icon";
        // end

        const ONLINE_TEXT = "Online!";
        const OFFLINE_TEXT = "Offline!";
        const MOTD_COLORS = true; // set to true if you want ingame colors, to false if you want default colors

        const API_BASE_URL = "https://api.mcsrvstat.us/3/";


        var url = API_BASE_URL + SERVER_URL;
        var xmlhttp = new XMLHttpRequest();
        xmlhttp.onreadystatechange = function() {
            if (this.readyState == 4 && this.status == 200) {
                let arr = JSON.parse(this.responseText);
                setServerStatusDisplay(arr);
            }
        };
        xmlhttp.open("GET", url, true);
        xmlhttp.send();


        function setServerStatusDisplay(arr) {
            let statuselem, playerelem, motdelem, iconelem

            if (HTML_STATUS_ELEMENT_ID !== "off") { statuselem = document.getElementById(HTML_STATUS_ELEMENT_ID);}

            if (HTML_PLAYERCOUNT_ELEMENT_ID !== "off") { playerelem = document.getElementById(HTML_PLAYERCOUNT_ELEMENT_ID);}

            if (HTML_MOTD_ELEMENT_ID !== "off") { motdelem = document.getElementById(HTML_MOTD_ELEMENT_ID);}

            if (HTML_ICON_ELEMENT_ID !== "off") { iconelem = document.getElementById(HTML_ICON_ELEMENT_ID);}

            if (arr["online"]) {
                
                if (HTML_STATUS_ELEMENT_ID !== "off") {statuselem.innerHTML = ONLINE_TEXT; console.log("t")}

                if (HTML_PLAYERCOUNT_ELEMENT_ID !== "off") {playerelem.innerHTML = arr["players"]["online"] + "/" + arr["players"]["max"];}

                if (HTML_ICON_ELEMENT_ID !== "off") {
                    icon = document.createElement("img");
                    icon.src = arr["icon"];
                    iconelem.appendChild(icon);
                }
                
                if (HTML_MOTD_ELEMENT_ID !== "off") {
                    if (MOTD_COLORS) {
                        motdelem.innerHTML = arr["motd"]["html"];
                    } else {
                        motdelem.innerHTML = arr["motd"]["clean"];
                    }
                }


            } else {
                statuselem.innerHTML = OFFLINE_TEXT;
            }

            
        }
    </script>