AJAX (Asynchronous Javascript And XML) is a popular technique for creating interactive websites, though other technologies (e.g. JSON) are often used instead of XML.

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AJAX call with repetitive success/failure handlers

There's some repetition in here. I tried making it into a function but then the response wasn't filling up the ...
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1answer
52 views

Removing popup notification, the dirty way

I'm new to coding and I am self-taught up to this point, so my scope for creativity is quite limited. As such I'm doing something in particular that I suspect isn't the "best" way of achieving this ...
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2answers
82 views

iPhone notes application replica using HTML/CSS

I've written a web application that is a replica of the iPhone's notes app. It turned out quite well, you can do everything you can on the iPhone's app except for sharing and sending it via texts etc. ...
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1answer
83 views

PHP & AJAX live chat - alternative ways

I am trying to implement a live chat for my websites visitors. Currently I am using the code that you can see below - a PHP script that processes in background and that is called by AJAX. I am not ...
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2answers
166 views

jQuery AJAX form using bad practice

I have not worked with jQuery for years so my knowledge of it is extremely limited. I wrote the following form and received a comment elsewhere saying: This is some of the worst JavaScript I've ...
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30 views

Handling pagination on a particular page

I have a Java script that handles pagination on a particular page by using a jQuery pagination plugin. Is there any way to improve the code? ...
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1answer
46 views

Loading and displaying JSON quickly in PhoneGap app

I have this tap event in an iOS app that I'm developing with PhoneGap. When I click on the left arrow, it finds the desired content and retrieves it from a JSON file. It then displays those results on ...
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1answer
29 views

Performing an auto complete look-up and building a form

I have written a jQuery function that is doing an auto complete look-up and then building the form for me. This is working fine but I want to reuse the code so I can have the form rebuild after ...
2
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22 views

Refreshing / Cycling through a parsed RSS feed every 5 mins

I am working on a monitor signage display and have a "welcome to RSS" feed with just a title and desc. I have code from feedEk that's been tweaked a bit to parse the feed and cycle it so I only have ...
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2answers
185 views

Generic method for HTTP GET/POST parameter conversion

I just made a method that should handle GET and POST parameters (primitive types) sent by AJAX requests to the server: ...
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1answer
61 views

Simplify double AJAX request for jQueryUI's autocomplete widget

I'm using jQueryUI's Autocomplete widget for a product search. The data is in a database, so as the souce I passed it an AJAX request. My problem is, that I need some data about the currently focused ...
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42 views

Upload multiple files in different formats and sizes from one HTML form

I have a html form with some text input fields and three file upload fields. two of them should be images and one should be a file (pdf). My code is working well but I feel this is not the proper OO ...
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1answer
67 views

Light, custom CMS for a site

I'm working on a light, custom CMS for my site and I am trying to use Ajax calls for most of the server-side interaction. I am still pretty new to web development, so if I am breaking any conventions ...
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2answers
182 views

Insert JSON data into rendered template after AJAX call

I have an already rendered template and I want to update it with some JSON data I obtain via AJAX. The template as it is before rendering looks like this (using ...
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1answer
58 views

Secure authentication using JavaScript module pattern and an AJAXified modal window

This code is not live, but for brevity I'll write as though it is. When a user clicks any element with the class name js-modalOpen, for example: ...
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1answer
160 views

Database of Pokemon

I've just started to write jQuery and have just written my first code using ajax calls. I'm fetching data from the pokeapi and am using it to random generate new pokemon. I have refactored it as ...
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1answer
84 views

Checking form input for an AJAX request

I've made a few functions to check form input for an AJAX request. I am still getting used to JavaScript and some of these AJAX requests. I am looking for any suggestions to better work with ...
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2answers
440 views

Using jQuery and AJAX process a form with PHP

I'm looking to collect form input and pass it to a file called processing.php with AJAX JS: ...
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2answers
1k views

Is this form submission validator professional?

I have written some jQuery code for AJAX form submission: ...
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2answers
93 views

Better paradigms for posting JSON from a table?

With a table based interface where users can update the rows by pressing a button. Perhaps there is a better way of doing this, without pressing a button, i.e. post on textarea/row change (could be a ...
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2answers
140 views

Displaying styled validation messages to user

I'm new to AJAX and jQuery, and just for testing, I created this simple code. When the user enters their First Name and their Last Name it displays a message that says Thanks for entering ...
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2answers
251 views

Is there any disadvantage of using MVC Razor Syntax codes inside a NoScript tag?

I'm creating a ASP.NET MVC Website that display blogs from the database by AJAX. The problem is - I have limit the results to only 10 by default and add a Load More button to display 10 more results ...
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1answer
162 views

Loading data from SQL server to webpage takes too long

There's a div in my webpage which will load data from an SQL server when the user clicks the button loadresource. Here's the JavaScript for button click: ...
4
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1answer
108 views

Random select in two MySQL tables

I wrote a simple AJAX request that performs a random select in two MySQL tables. The thing is, my current script involves connecting to the database and creating a new PDO every time the ...
4
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1answer
58 views

Calling PHP file using Ajax

I like to know if there will be any performance issue if an xmlhttp object is created every time. For example, in the below code: ...
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1answer
306 views

AJAX request authentication to PHP script

Recently I started looking at my AJAX call security and found some code that uses tokens, request and referer in an attempt to authenticate the call and stop XSS and CSRF. The AJAX calls are for the ...
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111 views
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144 views

Determining if an entity exists in a database via a stored procedure

Here is a short and simple Ajax method that returns "True" or "False" if an entity exists in a database via a stored procedure ...
3
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2answers
103 views

Ajax for RESTful web service

I wrote an Ajax function, which should be used in a framework to interact with a webserver. The (self-written) Java-Webserver can be used to fetch files and folder-contents, create files and folders, ...
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2answers
886 views

Interacting with database in MVC

When using MVC 4 Razor (I am new to web development), I get concerned about my understanding of interactions between the database and the client. Much like all appilications these days, there is a lot ...
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1answer
119 views

Script for dynamically-loading data onto a restaurant menu for printing

I have a script which dynamically loads data onto a restaurant menu for printing. Could the following code could be shortened at all? ...
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127 views

JavaScript eBay Listing Generator - revised

I posted my first attempt at this here. It's an app that generates both a preview of an interactive eBay listing, as well as the raw code which the user can copy and paste into their listing. I got ...
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1answer
44 views

Plugin for communication protocols in browser(s)

I would like to get some feedback from the community regarding a plugin I recently moved from requiring jQuery to a stand alone JS implementation. It is meant to handle browser communication ...
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456 views

Update database, refresh the page to show changes, show a success message

Follow up question for: Update database, reload page then show a success message I have a table of articles, in each row is a button to activate / deactivate the ...
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0answers
611 views

Ember.js file upload code

I am a newbie and tried to find the laziest way to do a file upload using EmberJS, jQuery and formdata (IE10+). The code might look stupid, but it worked. Can you please take a look and give some ...
3
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1answer
2k views

Update database, reload page then show a success message

I have spent a long time trying to find a way to do the following: Update a MySQL database with AJAX Reload the Page to show changes Show a success message I think I have finally found a way! ...
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1answer
61 views

Polling AJAX client for P2P file sharing website

I have this function: ...
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454 views
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1answer
78 views

Simplifying AJAX success code

Please take a look at this Fiddle. Is there a better way of building a table with titles in the first cell of each row, like this: ...
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1answer
92 views

Loading the resource identified by a script element's src attribute

I have a function to load the resource identified by a <script> element's src attribute. I need it to: Be as universal ...
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109 views

Correct usage of an MVC pattern in web applictaion

I have a method in my controller (GetAllPatients/EnrollmentQueue) which does return the correct data (an array of ...
2
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1answer
172 views

Instagram widget feed function

I've adapted an Instagram widget from this example so that it now appends 8 images to their respective IDs using an Instagram username. I want my widget implementation to be better and more efficient. ...
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1answer
155 views

JavaScript parameters - best practices for settings object/callback

I have the following function which runs as expected and is defined in the window object: ...
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1answer
170 views

Display AJAX response from PHP

I have used jQuery AJAX for my development. Below I have added example code for AJAX request and response. ajax.php ...
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2answers
95 views

Ajax Class Efficiency

So I wrote this class to handle my ajax calls simply: ajaxCon.php: ...
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2answers
399 views

Reusable Ajax object

I've been working on a new project and I've found myself needing to make multiple Ajax calls, often on the same page and at the same time. I decided rather than repeating code that I would try and ...
14
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3answers
184 views

Simplifying a repetitive event handler

Is there a more efficient way of writing this? It seems like so much redundancy that this can be greatly reduced. Basically the only difference is if isNodeWebkit ...
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0answers
27 views

Downloading and parsing list of Getcachine CWGs

I'm building a page that downloads a list of Geocaching CWGs for my country in XML, and then parse it. The structure of the XML looks like this: ...
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1answer
94 views

AJAX chat client

I have here a set of code that is used for retrieving and storing conversation for a chat application if found this from a tutorial and tweak it a little bit. This script works fine but my concern is ...
3
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1answer
190 views

Raw JS AJAX method

I built this as a simple example of using raw JS to perform a simple GET request with a data callback. Suggestions on how this could be improved in any way, while keeping it simple, would be much ...