JSFiddle - React, Tailwind, and code Playground

HTML

<div id="search"></div>

JavaScript

var xmlhttp = new XMLHttpRequest();
document.getElementById("search").innerHTML = "Searching for account data...";
    xmlhttp.setRequestHeader("Content-type", "application/json");

    BoardInfoUrl = getBoardInfoUrl();

    xmlhttp.onreadystatechange = function () {
        document.getElementById("search").innerHTML = "Processing next request...";

        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
            //getData(xmlhttp.responseText);

            //define what to retrieve here
            document.getElementById("search").innerHTML = "jsonData found!";
            jsonData = xmlhttp.responseText;
            createFile();//creates a text file

            //the variable below is the parameters for the POST function in JSON.
            var parameters = {
                "searchOptions":{
                    "SearchTerm": "",
                    "SearchInBoard":true,
                }
            };

        }
    }
    xmlhttp.open("POST", BoardInfoUrl, true);
    xmlhttp.send(JSON.stringify(parameters));