function fileInputHanlder() {
    console.log("WIN");
    var file = document.getElementById("fileUpload").files[0];
    if (file) {
        var reader = new FileReader();
        reader.readAsText(file, "UTF-8");
        reader.onload = function (evt) {
            document.getElementById("fileUpload").innerHTML = evt.target.result;
            console.log( evt.target.result);
            document.getElementById("textArea").value = evt.target.result
        };
        reader.onerror = function (evt) {
            document.getElementById("fileUpload").innerHTML = "error reading file";
        };
    }
}