jspdf save in server
//in your Javascript
<script>
var blob = doc.output('blob');
var formData = new FormData();
formData.append('pdf', blob);
$.ajax('/upload.php',
{
method: 'POST',
data: formData,
processData: false,
contentType: false,
success: function(data){console.log(data)},
error: function(data){console.log(data)}
});
</script>
//In your upload.php file:
<?php
move_uploaded_file(
$_FILES['pdf']['tmp_name'],
$_SERVER['DOCUMENT_ROOT'] . "/uploads/test.pdf"
);