jqueryUpload file through AJAX

$('button').on('click', function() {
    var form = new FormData();
    form.append('file', $('input[type=file]').prop('files')[0]);
    $.ajax({
        url: '/upload', data: form, type: 'post',
        success: function(r) { console.log(r); }
     });
});ctrl + c
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