JSFiddle - React, Tailwind, and code Playground

HTML

<div id="page1"></div>

<script type="text/javascript">

var rootdomain="http://"+window.location.hostname;

function ajaxinclude(url)
{
    var pagerequest;
    if (window.XMLHttpRequest) // if Mozilla, Safari etc
        pagerequest = new XMLHttpRequest()
    else if (window.ActiveXObject){ // if IE
        try {
            pagerequest = new ActiveXObject("Msxml2.XMLHTTP")
        }
        catch (e){
            try{
                pagerequest = new ActiveXObject("Microsoft.XMLHTTP")
            }
        catch (e){}
        }
    }
    else
        return false

    pagerequest.open('GET', url, false) //get page synchronously
    pagerequest.send(null)
    writecontent(pagerequest)
}
    
function writecontent(pagerequest){
    if (window.location.href.indexOf("http")==-1 || pagerequest.status==200)
    document.getElementById("page1").innerHTML = pagerequest.responseText;
}

ajaxinclude(rootdomain);
</script>