Give your form an id(form-id)
var jsoNform = $("#form-id").serializeObject();
jQuery.fn.serializeObject = function () {
var formData = {};
var formArray = this.serializeArray();
for (var i = 0, n = formArray.length; i < n; ++i)
formData[formArray[i].name] = formArray[i].value;
return formData;
};