How to read and display text file value in text box using javasacript

read and display text file value in text box using Javasacript

  <div id="page-wrapper">
      
      <input type="text" id="allText">

    </div>

<script>
    var allText = document.getElementById('allText');
function readTextFile(file) {
    var rawFile = new XMLHttpRequest();
    rawFile.open("GET", file, false);
    rawFile.onreadystatechange = function () {
        if (rawFile.readyState === 4) {
            if (rawFile.status === 200 || rawFile.status == 0) {
                var allText = rawFile.responseText;
                alert(allText);
            }
        }
    }
    rawFile.send(null);
}
readTextFile("file:///C:/MACID.txt");

</script>