Axure File Upload and Save — Check for File Inputted

gistfile1.txt

// Getting the file name and contents from the input field
function readURL(input) {
	if (input.files && input.files[0]) {
		var reader = new FileReader();
		reader.onload = function (e) {
			$('[data-label="UploadPreview"]').children('img').attr('src', e.target.result); 
		}
		reader.readAsDataURL(input.files[0]);
	}
}

// When the file input field changes do above function
$('#UploadInput').change(function(){
	readURL(this);
});