Simple jQuery AJax

simple-ajax.js

function sendData(userId, url) {
	$.ajax({
		type : "POST",
		contentType : "application/json",
		url : url,
		data : userId,
		dataType : 'json',
		cache : false,
		beforeSend: function() {
			// loading vs
		},
		success : function(result) {
			//  success
		},
		error: function(jqXHR, textStatus, errorThrown) {
			//  error
		}
	});
}