Untitled

<!DOCTYPE html>
<html>
<head>
    <title>teste ajax</title>
</head>
<body>
<div id="resposta">

</div>

<script
  src="https://code.jquery.com/jquery-3.3.1.js"
  integrity="sha256-2Kok7MbOyxpgUVvAk/HJ2jigOSYS2auK4Pfzbm7uH60="
  crossorigin="anonymous"></script>
<script >
    $(document).ready( function(){

    $.get( "teste.txt" , function(dados, status, xhr) {
        $("#resposta").text(dados);
    } );
} );


</script>

</script>
</body>
</html>

<!DOCTYPE html>
<html>
<head>
    <title>teste ajax</title>
</head>
<body>
<div id="resposta">

</div>

<script>

var resposta = document.getElementById("resposta");
    var xmlHttp;

  if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest;
  }
 else {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }


    xmlHttp.onreadystatechange = function(){
        if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
            resposta.innerHTML = xmlHttp.responseText;
        }

    }

    xmlHttp.open('GET', 'teste.txt', true);
    xmlHttp.send();

  </script>


</script>
</body>
</html>

test

test123