Questions tagged [ajax]

AJAX (Asynchronous Javascript And XML) is a popular technique for creating interactive websites.

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2
votes
1answer
218 views

How is same-origin policy implemented?

I was looking at cross-domain requests for a design and stumbled upon something that puzzles me. From a local site I'm firing an Ajax request to another domain (with jQuery and vanilla XMLHttpRequest)....
0
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2answers
2k views

"Match Making" script, a way without involving the database and php?

I am writing a matchmaking script for a game through a web portal. For the past few days I have been looking into the different options and I believe the following approach would be the most optimal ...
1
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3answers
4k views

Are (mostly) client-side JavaScript web apps slower or less efficient?

I am in the midst of writing a web application for work. Everything is from scratch. I have been a PHP programmer for about 13 years, Node.js programmer for the past 2 years, and have no shortage of ...
2
votes
2answers
172 views

Security concern regarding web service

I'm currently working on a pet project with two of my buddies. This web service will provide basic functionality such as Login/Password Modification/Registration etc. All of us are comfortable with ...
4
votes
2answers
1k views

Avoid Initial AJAX Call for Loading Data

Here is the typical sequence of events when someone navigates to a page in my application: The user navigates to my application, including URL parameters and query strings. The server receives the ...
3
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1answer
1k views

Should JavaScript and PHP objects be treated as different objects in an interaction diagram?

I'm drawing a communication diagram for an application where you can buy books. I'm using domain-driven design and have a 'shop' object, a 'cart' object, and a 'book' object. My first communication ...
-2
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1answer
961 views

is it good practice to reload a div every second [closed]

I am working on a networking site where I need to reload the notification div every second. I wanted to know is it good or bad to load it every second as there are some other divs also loading after ...
0
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2answers
195 views

How can I solve this potential security exploit (concerning the saving of REST resources)?

I have a File database table with the following columns: Id (PK), Filename And a Document database table with the following columns: Id (PK), Name, Description, FileId (FK) When a user wants to "...
0
votes
1answer
2k views

How exactly can I check for new rows in sql with ajax? [closed]

How do certain services, just like google plus and facebook, check for new content without reloading the page? Whenever you are on any of those websites a new notification of a post related content ...
2
votes
1answer
667 views

What architecture to use for AJAX calls?

I am working on a website with PHP as backend. There are things from the front-end which I'd like to accomplish using AJAX calls. Which of these methods should I use to design them and why? Call to ...
28
votes
5answers
10k views

How do web servers enforce the same-origin policy?

I'm diving deeper into developing RESTful APIs and have so far worked with a few different frameworks to achieve this. Of course I've run into the same-origin policy, and now I'm wondering how web ...
0
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1answer
265 views

Technique to deal with occasionally blocking json api?

I have a web app that occasionally (after some idleness) will block a very simple request for small chunks of data (30~50 kb) up to 20 or so seconds. Assuming I can't refactor or modify the API, is ...
5
votes
1answer
502 views

Is there a name for web applications that do most of the navigation on the client side?

Does the web industry have any standard or common name that refers specifically to web applications that don't use the conventional window-HTTP-navigation model, instead relying on mostly or wholly on ...
1
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2answers
1k views

Can REST, Ajax and jQuery work well together?

I'm trying to use REST (usign spring MVC) as my Ajax backend but got some problems when using it with jQuery. REST best pratices recommend using HTTP status code, e.g. 200, 403, 401, etc, and I have ...
2
votes
1answer
734 views

How to check for vulnerabilities in web application [closed]

I have developed a web application using zend framework, mysql, and other client side technologies like javascript, jquery ajax, kendo grid, and so on. I have completed development and have done ...
0
votes
1answer
265 views

can I use XML for AJAX in a website created using HTML5

I am new to web programming and just started learning XML and AJAX. I am creating a social gaming website for my college project. I am confused at the point of using XML for AJAX in HTML5. As XHTML is ...
2
votes
1answer
3k views

best way to store data from ajax call

I am writing a web-application in which I am retrieving data's from server through AJAX requests and the generate HTML content dynamically. I have some data to load, generate HTML from it and append ...
1
vote
5answers
5k views

Inserting HTML code with jquery

One of our web applications is a page that takes in a serial number and various information is returned and displayed to the user. The serial is passed via AJAX, and based on the response, one of the ...
1
vote
3answers
370 views

Is it good idea to change complete enterprise level application into ajax web app [closed]

I am working on an application which is completely written using server side method in asp.net web forms with c# . Now my team lead wants to convert whole application to ajax , in that approach we ...
0
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4answers
573 views

Do I need a database to implement AJAX functionality for my app?

I am new to the construction and design of a web app so I'd like some advice please (Django is my framework). I'm trying to code up a "how-to" website instructing users the step-by-step process for ...
14
votes
3answers
59k views

When to use REST to handle requests vs using AJAX to handle requests [closed]

On my web page, if I wish to display dynamic dropdowns (e.g city names based on country selected), I can do it using AJAX. But I can also do it using a REST call. So which should I use? My problem is ...
0
votes
2answers
250 views

Async function iterated calls

I'm new to using async calls in ajax. My problem is that I have two server "tasks": one that just checks if session is set (fast), and another that sets the session (slower). I want to check if the ...
1
vote
2answers
602 views

What's the best approach to handle javascript/ajax code in a project?

In a general sense, for medium/big projects, what's the best way to handle javascript/ajax code? Is it better, to have a script file where to put each script or, to add the script directly into the ...
2
votes
1answer
289 views

Ajax - Responding business errors

This might sound like another of those questions with "best way" or "best practice" but I couldn't find anything related that could give me some light. The scenario... I have some ajax calls. ...
2
votes
4answers
4k views

How can I return generated HTML and a response too?

My web application will use AJAX calls often and so I have set up some JavaScript to handle "messages" or "responses". These responses are returned (from my ASP.NET application) as JSON objects that ...
3
votes
3answers
987 views

Are there algorithims for polling optimization?

I have a web-application with an async HTTP backend, which gets called by the client by AJAX requests. The client has to start a job and then polls for the result. I started with a simple 150ms ...
1
vote
1answer
206 views

Object schemas shared between web services

My question is about how to create a definition for an object that is handled by different web services. A brief description of my current scenario and why I think it's a problem: A PHP web ...
4
votes
2answers
1k views

Displaying items with a countdown timer

I am creating a widget for rotating topics. The functionality is as follows: Each topic is displayed one by one on the homepage and has a duration of 30 seconds. A countdown timer is displayed on the ...
-2
votes
1answer
177 views

Will I need to use AJAX for this?

Say I have a model written in php whose properties are the columns of a table in a db and each instance of the model represents a row in the table. I also have a page ('view') where I display the ...
2
votes
3answers
4k views

What should I do in AJAX or PHP? [closed]

Since I discovered the joys of AJAX, I tend to do all my requests to the server using AJAX. Is this a good idea? According to you, what should I do in PHP and what should I do in AJAX? I like to do ...
1
vote
3answers
320 views

Javascript and web application data

I am pretty new to Web Application programming and so to OOP Javascript and the new Client-Server interactions. I am encountering some trouble wondering about how much AJAX I should use or how much ...
2
votes
2answers
806 views

Why should I should url routes to the user in a single page application?

Why a single page application is a desktop client replacement why should I show certain url`s in the url bar of the browser. Why is mysite.com not enough. My question to you guys is now: What are ...
1
vote
3answers
845 views

What tools can I use for professional document-creation and -printing in PHP? [closed]

I'm in the process of building a new pledge management system for one of my clients, a charity foundation. I have already built one for them (it was done using Delphi), but its feature-set is a little ...
0
votes
2answers
685 views

Converting a user management system to use ajax

I am currently building a website, which until quite recently was purely PHP. However I am now making trying to have the site use more AJAX, to lessen the page reloads. In PHP I had a lovely object ...
12
votes
3answers
10k views

What are best practices for caching paginated results whose ordering/properties can change?

What is the best practice for caching paginated search results whose ordering/properties can be changed? Say, in my application, someone wants to see the last 20 discussion threads (out of 10,000). A ...
48
votes
6answers
7k views

How safe are hidden AJAX requests that fake performance?

What is a hidden AJAX request? I've noticed an increase in the usage of hidden AJAX requests designed to make a user's action appear to happen immediately. I'll refer to this type of AJAX request as ...
2
votes
2answers
2k views

AJAX Requests & Client-Side JavaScript

I am new to AJAX and trying to understand a question I've been given: A HTTP request is generated by a form which contains some drop-down list. When the form is submitted, a new web page is displayed ...
7
votes
1answer
3k views

How should I handle a redirect to an identity provider during a web api data request

Scenario I have a single-page web app consisting purely of html, css, and javascript. After initial load and during use, it updates various views with data from one or more RESTful apis via ajax ...
3
votes
2answers
620 views

what receives an ajax call?

I'm making a site which should (a) take information from the user in the form of files and forms, (b) take that data to the server to be run on a C application, and (c) take the result back and show ...
4
votes
2answers
1k views

Do ASP.Net Web Forms actually produce ADA compliant HTML? Does the ASP/AJAX toolkit undermine the goal of ADA compliance?

I'm trying to convince my employer to let us use the Microsoft ASP/AJAX toolkit since it simplifies the implementation of many controls. However they have rejected the idea on the grounds that it ...
1
vote
2answers
2k views

How to handle frequent ajax requests in shopping cart

Is it common and/or acceptable to have Ajax requests every time a button is clicked on a shopping cart page? This is not a high traffic site. It will only have a few users at a time, like 5 max. I'm ...
10
votes
8answers
22k views

Is it necessary to memorize code?

I am a new developer, who just got hired at a big company. I don't know how but I guess they are desperate. However, I am well-versed with HTML5/CSS3 though things change and new things are released ...
3
votes
2answers
6k views

Ajax application: using SOAP vs REST ?

I'm building an ajax heavy application (client-side strictly html/css/js) which will be getting all the data and using server business logic via webservices. I know REST seems to be the hot topic but ...
2
votes
1answer
2k views

Which would be a better way to load data via ajax

I am using google maps and returning html/lat/long from my MySQL database Currently A user picks a business category e.g; "Video Production". an ajax call is sent to a CodeIgniter controller the ...
9
votes
3answers
6k views

Ajax race conditions

Is there a pattern or standard way to handle Ajax race conditions? Take the following example. You have two tables. Clicking a row on table 1 removes the data from DB and then updates table 2 (which ...
4
votes
1answer
309 views

AJAX IRCX Client and Server

I am currently developing an IRCX AJAX Chat Based system and have a few questions regarding the Server and Client implementation. Any suggestions are welcome: Server: Should this be implemented as a ...
3
votes
3answers
2k views

Is dynamic HTML layout good from an SEO perspective?

Just wondering whether dynamically built HTML layout is fine from SEO perspectives? So let's assume e-commerce engine and its most popular page - products catalog. So 90% of the page is built using ...
2
votes
1answer
2k views

how to choose a web framework and javascript library? [closed]

I've been procrastinating learning some framework for web apps w/ some library for AJAX, something like django with prototype, or turbogears with mootools, or zeta components with dojo, grok, jquery, ...
1
vote
3answers
669 views

API access question

FIRST, THE SCENARIO We have an internal system that is effectively split into 2 very separate parts across 2 sub-domains, our back-end administrative system for internal access only we will call this ...
2
votes
1answer
7k views

Rails - How to use modal form to add object in one model, then reflect that change on main page?

I'm working on a Rails app and I've come across a situation where I'm unsure of the cleanest way to proceed. I posted a question on SO with code samples and such - it has received no answers, and the ...