Posting File Input as FileReader Binary Data through AJAX Post

Question

I am trying to post an attachment uploaded to an HTML file input to a web page through a rest API. The API documentation states that the post is a straight binary content as

Answer 1

var file;

        $('#_testFile').on("change", function (e) {
            file = e.target.files[0];
        });
        $('#_testButton').click(function () {
            var serverUrl = '/attachmentURL';

            $.ajax({
                type: "POST",
                beforeSend: function (request) {
                    request.setRequestHeader("Content-Type", file.type);
                },
                url: serverUrl,
                data: file,
                processData: false,
                contentType: false,
                success: function (data) {
                    console.log("File available at: ", data);
                },
                error: function (data) {
                    var obj = jQuery.parseJSON(data);
                    alert(obj.error);
                }
            });
        });