JSFiddle - React, Tailwind, and code Playground

HTML

<body>

<div id="id01"></div>

</body>

CSS

{"presidents":{"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance","xsi:noNamespaceSchemaLocation":"president.xsd","xmlns:birthday":"http://www.du.edu/~mschwart/xml/birthday","date":"2012-08-18","president":[{"number":1,"name":"George Washington","date":"1732-02-22","took_office":"1789-04-30","left_office":"1797-03-04","party":"no party","term":[{"number":1,"vice_president":"John Adams"},{"number":2,"vice_president":"John Adams"}]},{"number":2,"name":"John Adams","date":"1735-10-30","took_office":"1797-03-04","left_office":"1801-03-04","party":"Federalist","term":{"number":3,"vice_president":"Thomas Jefferson"}},{"number":3,"name":"Thomas Jefferson","date":"1743-04-13","took_office":"1801-03-04","left_office":"1809-03-04","party":"Democratic-Republican","term":[{"number":4,"vice_president":"Aaron Burr"},{"number":5,"vice_president":"George Clinton"}]},{"number":4,"name":"James Madison","date":"1751-03-16","took_office":"1809-03-04","left_office":"1817-03-04","party":"Democratic-Republican","term":[{"number":6,"vice_president":"George Clinton"},{"number":7,"vice_president":"Elbridge Gerry"}]},{"number":5,"name":"James Monroe","date":"1758-04-28","took_office":"1817-03-04","left_office":"1825-03-04","party":"Democratic-Republican","term":[{"number":8,"vice_president":"Daniel D. Tompkins"},{"number":9,"vice_president":"Daniel D. Tompkins"}]},{"number":6,"name":"John Quincy Adams","date":"1767-07-11","took_office":"1825-03-04","left_office":"1829-03-04","party":"Democratic-Republican","term":{"number":10,"vice_president":"John C. Calhoun"}},{"number":7,"name":"Andrew Jackson","date":"1767-03-15","took_office":"1829-03-04","left_office":"1837-03-04","party":"Democratic","term":[{"number":11,"vice_president":"John C. Calhoun"},{"number":12,"vice_president":"Martin Van Buren"}]},{"number":8,"name":"Martin Van Buren","date":"1773-02-09","took_office":"1837-03-04","left_office":"1841-03-04","party":"Democratic","term":{"number":13,"vice_president":"Richard Mentor...

JavaScript

var xmlhttp = new XMLHttpRequest();
var url = "http://schwartzcomputer.com/ICT4570/Resources/USPresidents.json";

xmlhttp.onreadystatechange = function() {
    if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
        var myArr = JSON.parse(xmlhttp.responseText);
        myFunction(myArr);
    }
}
xmlhttp.open("GET", url, true);
xmlhttp.send();

function myFunction(arr) {
    alert(arr.presidents["xmlns:xsi"]);
    alert(arr.presidents.president[0].number + ". " + arr.presidents.president[0].name);
    var out = "";
    var i;
    for(i = 0; i < arr.length; i++) {
        out += '<a href="' + arr[i].url + '">' + 
        arr[i].president + '</a><br>';
    }
    document.getElementById("id01").innerHTML = out;
}