var formData=new FormData();
            formData.append("fieldname","value");
            formData.append("image",$('[name="filename"]')[0].files[0]);
            $.ajax({
                url:"page.php",
                data:formData,
                type: 'POST',
                dataType:"JSON",
                cache: false,
                contentType: false,
                processData: false,
                success:function(data){}
})

You can use form data to post all your values including images.

var formData=new FormData();
formData.append("fieldname","value");
formData.append("image",$('[name="filename"]')[0].files[0]);
 
$.ajax({
    url:"page.php",
    data:formData,
    type: 'POST',
    dataType:"JSON",
    cache: false,
    contentType: false,
    processData: false,
    success:function(data){ }
});

You can use form data to post all your values including images.