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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display subcategories of selected category in tabular form [closed]

I have a form that has two parameters amenities and attributes. The amenities parameter has a dropdown menu that whose value gets populated from a separate table. The second parameter is attribute ...
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19 views

better practice for Ajax long polling [closed]

I'm using PHP,Mysql and Jquery for my project which has an instant notification area.I'm using ajax long polling technique and this is the first time I'm using it. my jquery function is like this ...
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1answer
50 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
54 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
92 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
85 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
77 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
126 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
75 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: ...
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1answer
70 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
42 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
130 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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50 views

Optimize code for better performance FB Login Ajax

Can someone modify the code for better performance, its working fine but sometimes hangs the browser for a second, also not displaying the success data. When browser refreshes it shows then. Maybe I ...
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2answers
126 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
77 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, ...
2
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2answers
308 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
102 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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0answers
75 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 ...
3
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1answer
41 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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0answers
212 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
261 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
703 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
53 views
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350 views
2
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1answer
69 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: ...
10
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1answer
83 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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0answers
99 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
109 views

Refactoring a Instagram widget feed function

I've adapted a Instagram widget from this example so that it now appends 8 images to their respective IDs using a Instagram username. I want my widget implementation to be better and more efficient. ...
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0answers
105 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
85 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
84 views

Ajax Class Efficiency

So I wrote this class to handle my ajax calls simply: ajaxCon.php: ...
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2answers
286 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 ...
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3answers
172 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
66 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 ...
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1answer
81 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 ...
2
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1answer
265 views

Website for updating a div

I've built a web site that uses AJAX to update a div. Most of the data displayed in the div is drawn from a MySQL database. All the pages are PHP. I've tried to follow best practices. I put all the ...
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1answer
53 views

Script for managing server IDs

I have a jQuery script and I should explain it line by line. I already do that and I want to make sure that is correct. If someone has any remarks, I will be very appreciative. ...
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1answer
144 views

Parsing XML data to be put onto a site with jQuery

I will preface by saying that this data set is much larger than what I have here. I'm having to loop through an XML file to get data and display it on a site with jQuery. I have to use jQuery because ...
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2answers
119 views

Is it advisable to integrate SQL statements in the JSP pages that are not displayed to the user but handled at the back?

I have a signup form in which the user has to enter the email address and after some quick asynchronous processing at the backend I have to tell the user that whether the email address is already ...
3
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1answer
66 views

.get() for multiple unique files

I'm using jQuery's .get() method to load content from external HTML files into my main index file. I created 25 different functions, function ...
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1answer
117 views

Requesting Resources Until Exhaustion

When an API has a 'next' feature, I use the following pattern to obtain all the results: ...
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1answer
101 views
6
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2answers
147 views

Recording user response times for a quiz

I am working on a simple quiz-type game in which the user basically is asked a series of questions and needs to provide an answer. I'm trying to find a solid/robust way of recording how long it takes ...
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2answers
606 views

Is this contact form secure?

I have the following contact form, using PHP, JS and a bit of Ajax. I want to make sure that it is secure. ...
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3answers
599 views

How to improve this current contact form?

I have just started learning how to build websites, and I have been experimenting by creating a contact form. Here is what I currently have - can anyone suggest and recommend ways enhance my current ...
2
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1answer
84 views

Compacting jQuery Code for Framebox Plugin

I have written my first jQuery plugin for a website. It is, essentially, a Fancybox style popup that uses AJAX to load content from other pages. It's kind of a frankenstein build from multiple ...
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1answer
114 views

Different selects in one form with same name attribute?

I have the following scenario: ...