better software through user-centered design

JavaScript Ajax Wrapper

This is a simple wrapper for keeping consistency in ajax calls. This happens to use jQuery ajax but the key to the wrapper is that the internal functionality can be re-written or a new library utilized across the board. I have always liked this idea but now cherish it due to recent dealings with ExtJS and their complete lack of backwards compatibility on every release.

MyNamespace.Ajax = {
//Setup ajax default properties
Defaults: {
type: ‘POST’,
url: ”,
contentType: ‘application/json; charset=utf-8’,
dataType: ‘json’,
success: function (result) { },
error: function () { }

// Global Post for any Ajax calls.
// This is meant to be a wrapper for the jQuery $.ajax method and should not be circumvented without great reason.
Post: function (options) {
options = $.extend(this.Defaults, options);
//Serialize the json object if it has not already been done.
if ( && typeof ( == “object”) { = JSON.stringify(;

type: options.type,
url: options.url,
contentType: options.contentType,
dataType: options.dataType,
success: function (result) {
if (options.success) {
complete: function (request, status) {
if (options.complete) {
error: function (request, typeText) {
if (options.error) {


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