Questions tagged [ajax]

AJAX (Asynchronous Javascript And XML) is a popular technique for creating interactive websites, allowing web content to be updated asynchronously by exchanging small amounts of data with the server behind the scenes.

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3
votes
2answers
58 views

Display of doctors by category, ajax

Apologies in advance for my english... We have a list of categories and a list of doctors, you need to output as follows: category1 item1 item2 item3 category2 item1 item2 item3 Here is what I ...
4
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2answers
150 views

A contact form with CodeIgniter and Twig

I am working on a online newspaper/blogging application with CodeIgniter 3.1.8 and Twig. I use the Twig template engine for the front-end views. I have put together this simple contact form which uses ...
2
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0answers
91 views

Make Pagination using Ajax with Jquery, PHP, History.pushState()

Finally after a few months of searching and learning ajax with pagination php and History.pushState() I created ajax php pagination. Test page 1. Ajax(index.php) ...
2
votes
1answer
29 views

Is there a way to consolidate Ajax dropdowns that filters data from MYSQLi database

I recently started a project which has a database of rail cars for a train simulator. Im trying to set up a way to filter the data based upon 4 categories "Car Type", "Road Name", &...
5
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1answer
172 views

AJAX with Vanilla Node.js/JavaScript – POST JSON without a form

I am new to node.js, ajax, and asynchronous code. I’ve pieced together a working way to exchange json between browser and server and am wondering if someone with more experience considers the approach ...
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2answers
103 views

Displaying filtered user data using Ajax and PHP

I want to get my code cleaner and more efficient. This code gets variables form a PHP file and filters it to show the selected user name, all available usergroups on a list box and the groups he is ...
4
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2answers
65 views

Filtering from a file to show information

I want to get my code cleanner and more efficient. This code gets variables form a PHP file and filters it to show the selected user name, all available usergroups on a list box and the groups he is ...
4
votes
1answer
27 views

Simple marker rendering

I am trying to render in a leaflet map that should render a single marker. I am building the JavaScript as follows. build the map an even listener for when the user opens the page where the map is ...
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2answers
157 views

Is this code written safe from attacks?

I have small question. I don't know much about JavaScript (jQuery) or AJAX and I don't know whether I'm doing it safe from XSS Attacks, SQL injection and that stuff. I think the PHP with MySQL would ...
3
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0answers
102 views

Dynamic dependent dropdown in jquery

I'm trying to create a dependent dynamic dropdown in jQuery, in which the number of dropdowns is not fixed. Let's say we've four provinces, each has cities, and each city has sections. Each section ...
3
votes
2answers
64 views

Getting data from database through Ajax post request

Is the method used below to get data from a database efficient and optimal? The data is in a MySQL database, and in my server I have a PHP file with the following code to return some information: <...
2
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2answers
66 views

Continually refresh game data using AJAX

I've been working with JavaScript and AJAX a lot in the past, and now I'm moving towards the backend and working with databases more. I want to update my game data in as close to real time as possible ...
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0answers
29 views

Return new thymeleaf page from controller [closed]

0 I have a web app built using Spring boot and thymeleaf. I have used only the index page so far which has different models in it and it work just fine. Now I want to add a new page. By new page I ...
1
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1answer
523 views

My method of php ajax product filter with pagination

After a few weeks of searching and learning ajax, pagination php, product filter, I created ajax php product filter with pagination. 1. index.php ...
4
votes
2answers
97 views

Quickly throwing together a text-and-button-based client-server web game

With much of the world in lockdown at the moment, my friends and I wanted a way to play our favourite game, Celebrity, over video chat. This seemed like a fun coding project, so I put together a ...
1
vote
1answer
85 views

The most minimal way to retrieve live data using setInterval

I am writing a script that is supposed to retrieve some data from a MYSQL database but I need to make it happen live and after lots of research I learned that this thing can be done using something ...
1
vote
1answer
39 views

Display name and email fetched using JSON API when hovering

I'm learning AJAX JSON. I'm just testing how to pull the data. The idea is, when hovering over the number, it pulls the data and show the content for name and email. Number 1 is to show name and ...
3
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2answers
97 views

Health Test App, It Returns a Score Based on the Answers Given

Here is my parent component: App.vue. I was wondering what improvements I could make to the code here. Application Description This application was built off the Vue.js framework and utilizes a ...
2
votes
1answer
178 views

Loading KML files into leaflet Javascript map

This is working code for input KML files into leaflet map ...
4
votes
2answers
117 views

AJAX communication with pure JS and PHP

I'm looking for a good approach to AJAX communication using only pure JS and PHP. I would like it to be as safe as possible and compatible with most modern browsers and IE 10+. I did some research and ...
2
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0answers
1k views

Contact form with AJAX call and secured PHP with Google reCAPTCHA v3

here is a code of a simple contact form that I have created, I believe that the form is server-side protected against empty fields, header injections, CSRF, XSS, bots using 'Google reCAPTCHA v3' and ...
8
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2answers
161 views

Vanilla Javascript: Chained AJAX request

I'd be grateful for a review of my AJAX request. If I have taken the correct approach here and especially any security concerns! I am creating a Purchase Order system for my manager (as part of an ...
3
votes
1answer
76 views

Ajax function with a callback

I have Ajax function with a callback which fetches all the Patient data however I have some perfomance issues and trying to figure out what it might be, does anyone have idea? That's my Code ...
2
votes
1answer
57 views

Dynamically inserting html from external file and updating the database

I need some suggestions on how to approach this. I want to allow users to create sections of website. The code so far is working but since I am new to back-end I feel like there is better, more ...
4
votes
1answer
118 views

Pulling data from the GitHub API for user repositories

I'm looking for specific feedback on a major design change that I plan on making to my personal website (https://aleksandrhovhannisyan.github.io/). Currently, the Projects section contains hardcoded ...
3
votes
2answers
75 views

Shopping cart with Ajax

I build a cart for an ecommerce website, and I want to know if I did well. I want to record the changes in the DB and display the information from the DB to the customer. To be sure that what he sees ...
2
votes
1answer
36 views

Thoughts on using curly-brackets-less while loop with a try/catch? [closed]

I need to fetch data from an server that isn't always reliable and unfortunately fixing that is out of my hands. My team determined we would attempt the request up to 3 times. So I thought of using a ...
2
votes
0answers
67 views

Make Pagination using Ajax with Jquery, PHP [closed]

This is the first time that I have add (I mean, I try) Ajax with Jquery to PHP and Mysql (pagination). This is a link to the test page: testpage1 I think everything works, but is it done correctly? ...
0
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2answers
517 views

Asynchronous query to load products from laravel controller

The following code works fine. When a user clicks on an element, an AJAX request is made, which will return the query result. The results are being displayed in a view. I read many articles where ...
2
votes
1answer
110 views

Passing data to HTML template

How can I pass data from database to my HTML template without putting PHP code in my HTML file. Thanks. This is my controller ...
2
votes
0answers
66 views

multiple AJAX requests and multiple SetTimeout animations

I wrote a piece of code that included multiple AJAX requests and multiple SetTimeout animations. I want the code to perform better, especially the SetTimeout sections. which part of the code should ...
0
votes
1answer
216 views

Hotel Booking functionality - handling UTC dates & timezones

People here often ask to share as much code as possible. My app is just a sandbox, a typical freshly created AspNetCore + Angular template without much code. So please don't blame me - I provide ALL ...
3
votes
1answer
256 views

Edit button toggles modal and load data from PHP using AJAX and JQUERY

I've been working on an edit/update button that will toggle a modal that looks like this: Is there a better code for this JavaScript code that I made? ...
9
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2answers
150 views

Fetching movie data using jQuery

Requirements Display movie datas inside all tags that have the class movie_list Make an ajax call for fetching movie datas Fill loading text before fetch data If any error occurs during loading, the ...
0
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1answer
83 views

Updating values in a database

I'm using standard jQuery Ajax to update values in the database and reflect the result in an output. This repetition seems like bad practice and I don't know enough about jQuery to consolidate this ...
3
votes
1answer
354 views

PHP AJAX handler to fill an HTML table

I would like to know if this code follows recommended practices and standards for AJAX/PHP calls. Can this AJAX + PHP code be improved in terms of security, performance, etc.? ajax.js: ...
1
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0answers
276 views

Load more and filtering - WordPress AJAX

In my WordPress theme I have built a function that uses Isotope Layout by Metafizzy to accomplish filtering and sorting. I have used a mix of AJAX and JQuery to accomplish this, however I feel the ...
0
votes
1answer
52 views

Displaying multiple objects on map and calculating distances using google api

I am quite new to Javascript. For a school project we wrote a website that displays the user's location on a google map alongside with some objects such as vehicles or passengers. I rewrote my code ...
3
votes
0answers
697 views

AJAX shopping cart with quantity +/- buttons

I'm a junior developer (couple years into it) and very new to AJAX. I'm writing an internal inventory application built on MVC and right now I'm dealing with adding and removing items to/from a cart. ...
3
votes
2answers
371 views

Use weather API to get information in JavaScript + jQuery

Please can any code experts review and improve my code? HTML ...
2
votes
1answer
705 views

Symfony AJAX comment system with votes

How can I improve this code ? It was quite hard to implement AJAX comment system in Symfony 3, and result is a bit of mess: Controller: ...
3
votes
1answer
389 views

Upload a user's avatar

Could you guys tell me if my code is safe? And i want to know how to improve it. You will see a detailed explanation about the code on the comment blocks inside the code. profileIMGform.php <...
1
vote
4answers
102 views

Replacement function for jQuery .post

Today I just completed a personal POST function that emulates jQuery's using $.ajax, but also implementing a possible redirect. I just finished up and it looks like it is functional, but since this is ...
2
votes
1answer
51 views

Chart of answered CR posts percentages over time - Part 2

I created a graph to show the change in the percentage of questions answered over time and the first version fetched data from chat transcripts using PHP. The sub-domain I have registered for my ...
2
votes
1answer
1k views

Notification system using PHP+jQuery+Ajax

I have this code to display a counter on the side of <i class="fas fa-bell mr-3"></i>. I want to know if this code is good on security and perfomance. ...
0
votes
1answer
616 views

Preparing form data for a POST request with fetch

Acquiring a form’s data for asynchronous POST requests has been a long-standing problem. There is the FormData API, but there are still some obstacles when the form’s data is encoded as ...
1
vote
1answer
78 views

Back end validation as front end validation

I am trying to use the back end validation for front end validation and this is what I got. Maybe there is a better way to do this? If someone knows please share the knowledge. HTML: ...
0
votes
0answers
58 views

License Manager PHP Class

I'm workin on this code that will be a licensing class integrated with an electron app. For now it's a simple object who will generate and check for a licence stored inside the electron app folder. I ...
3
votes
1answer
68 views

Ajax table action and process

I'm trying to learn Ajax better, and I'm developing an application in CodeIgniter. The following code is working, there are no errors. But for every function and call I think I'm repeating callbacks ...
1
vote
0answers
22 views

Deletion button on a website that enforces database integrity

I am designing a website on which users can configure (CRUD) various objects which are mutually dependent upon other types. I am preventing a cascade delete, so let's say a ...

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