upload ajax with ajax #laravel

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>test upload image</title>
	<?php echo HTML::script('assets/js/modernizr.custom.75994.js'); ?>
    <?php echo HTML::script('/bower_components/jquery/dist/jquery.min.js'); ?>
	<?php echo HTML::style('/bower_components/bootstrap/dist/css/bootstrap.min.css'); ?>
</head>
<body>
	<form action="">
		<input type="file" name="image" id="">
		<br/>
		<button type="submit">upload</button>
	</form>
	<script>

	var form = document.querySelector('form');
	var request = new XMLHttpRequest();

	form.addEventListener('submit',function(e){
		e.preventDefault();

		var formdata = new FormData(form);
		request.open('post','testupload');
		request.send(formdata);

	});

</script>
</body>
<?php echo  HTML::script('/bower_components/jquery/dist/jquery.min.js'); ?>
<?php echo  HTML::script('/bower_components/bootstrap/dist/js/bootstrap.min.js'); ?>

</html>