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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Avoiding duplicate values in jQuery array [closed]

I have the following code for using with select2. I am using Ajax to get the JSON from Mashape API. I received the object and can retrieve the value into tags. But I am having few values repeating. ...
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2answers
290 views

Securing PHP shopping cart

I've managed to create a working shopping cart and my next concern is security, mostly about the architecture and session security. Should I make sessions somehow secure, if there's no authenticated ...
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1answer
44 views

Simple AJAX script calling a number

I wanted to create a basic interaction which does 1 outcome but with 2 possible actions: get a number from an other document, by either clicking on a button or waiting a fixed amount of time. I wrote ...
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1answer
67 views

Improving code for my post handler

I'm currently using this pattern in my JavaScript code. Somewhere in my code I use Dnianas.Post.init. init fires and it will ...
3
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1answer
46 views

Handling a double click issue

I've been doing a lot of form submission using Ajax now and being used to it than having a normal submission. What's been troubling me is that I always ran with a double submission issue when the user ...
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9 views

Execute GeoDjango query from multiple rows of data and read it using AJAX

For now this is my code, I used AJAX to read the result of my query. ...
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1answer
23 views

AJAX error function using a constant

I have the following ajax call and if it errors, I have a default error message stored in a constant which I'll use if the response doesn't contain a custom message. When I look at this, I keep ...
6
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1answer
174 views

LiveDate version 2

LiveDate has the ability to display the current date either by asynchronously fetching the time from a server or by just using the client system date. It's only as ...
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0answers
17 views

Send Ajax Request Function v2

I would like to get a full on review on my sendAjaxRequest function. Suggestions for any improvement are always welcome! sendAjaxRequest.js ...
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44 views

Building JSON array containing HTML

So, One of my companies developers wrote this. Not me. Alright, it was me. How can improve this puke? ...
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26 views

Simple AJAX library in JavaScript

I've created two simple methods: one to instantiate a new XMLHttpRequest object and open the request and another to handle the request. Can you please point out ...
2
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1answer
47 views

Class that make asynchronous http requests

I made this function to act sort of like jQuery's $.ajax. I intend to use it in small projects where I do not use jQuery (I don't want to load a whole framework ...
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37 views

Implementing Ajax deferred/promise patterns

I have a testcase where I want to send a request to the server every time a form field change event occurs. The implementation below works as expected until I ...
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1answer
55 views

Ajax Done Callback to prevent requests from interrupting each other

I am trying to make sure my Ajax does not send another request before it receives a reply. To the best of my knowledge the code I will post is supposed to do this but I am still getting a -1 for ...
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1answer
139 views

My AJAX LiveDate Object

The LiveDate object displays the live current date and has a sendAjaxRequest() function dependency to send the AJAX requests. ...
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0answers
53 views

Ajax file uploader jQuery plugin

I tried to write my first jQuery plugin. It's a very simple Ajax file uploader. I would appreciate a review of this code. HTML ...
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0answers
60 views

React Flux structure for a shopping app

we have just started up a new app and we are using React with the Flux architecture, we have done our best to piece together what we think is the best structure for the app and would appreciate any ...
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1answer
69 views

Return fake jqXHR from custom Ajax method

I have several methods that wrap the $.ajax() method and return its jqXHR, but I need to force fail before even calling the original ...
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1answer
108 views

Rewriting this function to use `promises` instead of `async: false`

Using parse.com's javascript API, I would like to get a variable number or images from img tags on a page and save those images in the currently logged in user's ...
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49 views

Make knockoutjs model simpler and avoid full observable array refresh

The form creates / updates /deletes a category. The category is simple: ID and name properties in backend (Laravel) model. UI: Clicking on a category enables "edit mode": I need 2 things here: ...
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0answers
136 views

Laravel controller for a commenting system

Can someone review my Controller? I should follow these guidelines: Code should be written with MVC pattern and to use OOP. The code now works fine, but I need to improve it. Also, should I use ...
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1answer
53 views

All-purposes AJAX handler made with PHP and .htaccess that speaks JSON - Part 2

Earlier, I've posted a question about a file used to handle AJAX requests. I've followed some of the advices given and made some changes on the code itself. You can go on "All-purposes AJAX handler ...
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89 views

All-purposes AJAX handler made with PHP and .htaccess that speaks JSON

In a project I've started, I decided to implement some new code to handle AJAX requests. The requirements are that it can ONLY access the /ajax/ folder, load ...
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2answers
131 views

Is my login system secure?

I am recently making a CMS and I need a secure login system, so this is my code. How is it? First: the HTMLcode for signup and login: ...
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2answers
76 views

Alternate for nested Ajax requests

I have one button on clicking I need multiple things need to be done, so I went for AJAX and PHP: ...
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139 views

Using CasperJS to fetch and fill option values

I use the following CasperJS code to fetch data from an ASPX page with combo drop down box, which option values are dynamically populated via __doPostBack(). the ...
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72 views

Creating chat box with comet

I'm writing chat application. I would like to know if there are problems in this code. This function sends message: ...
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1answer
82 views

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
134 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
136 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
154 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
305 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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63 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? ...
3
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1answer
246 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
59 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 ...
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0answers
32 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 ...
4
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2answers
411 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: ...
2
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1answer
441 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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219 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
74 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 ...
3
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2answers
1k 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 ...
3
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1answer
118 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: ...
3
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1answer
263 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
153 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 ...
2
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2answers
1k 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: ...
14
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2answers
1k views

Is this form submission validator professional?

I have written some jQuery code for AJAX form submission: ...
3
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2answers
106 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 ...
5
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2answers
387 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 ...
2
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2answers
469 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
372 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: ...