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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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1answer
30 views

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

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 ...
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0answers
47 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? ...
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2answers
54 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
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1answer
65 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 ...
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0answers
39 views

multiple AJAX requests and multiple SetTimeout animations

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, ...
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1answer
59 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 ...
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0answers
18 views

Asking data to a Servlet from jsp and send them back to the jsp

Image that a user have to book a private lesson by compiling this form. Using MVC pattern I'm building a WebApplication to achieve this goal; I have a jsp wich contains the form and by using Ajax I ...
2
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1answer
41 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? ...
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1answer
55 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 ...
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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 ...
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1answer
65 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: ...
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0answers
21 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 ...
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1answer
33 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 ...
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0answers
58 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. ...
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2answers
78 views

Use weather API to get information in JavaScript + jQuery

Please can any code experts review and improve my code? HTML ...
2
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1answer
146 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
347 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 <...
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4answers
72 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 ...
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1answer
42 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 ...
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1answer
257 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. ...
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1answer
225 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 ...
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1answer
66 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: ...
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0answers
32 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
49 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 ...
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0answers
20 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 ...
4
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1answer
112 views

Effective to-do list in PHP and jQuery AJAX

I made this to-do list since I never seriously used jQuery (in particular way AJAX) and I need this kind of script for a project that I'm working on. Principal features: Use of a database to manage ...
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1answer
128 views

WeatherApp, working with APIs

I'm making a WeatherApp. It uses the browser's location to get the GPS coordinates, then sends those to an API to get details about the location (e.g. city, country, etc.). The city is then sent to a ...
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1answer
75 views

jQuery AJAX submit form

This jQuery code submits a form using AJAX. The server response should return JSON. ...
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1answer
77 views

pass argument to jQuery .on() event handler callback [closed]

In my web application, a user will click a button which will call a function that triggers an AJAX call. That function accepts a single argument. I would like to be able to put that function in ...
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1answer
5k views

Send blob image using Ajax/PHP

I have an image cropper that crops the uploaded image, Before sending it to the server using PHP and AJAX. Here is a live fiddle to preview a working cropping example. Here is the code: ...
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1answer
154 views

Paginated AngularJS posts application

I have made a small application that displays a posts JSON in the form of cards, with the help of AngularJS and Twitter Bootstrap 4. The application has an interface for pagination and there are ...
5
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2answers
111 views

Upvote/counter in Javascript

Looking to improve building UI in pure ES6. This is the pattern I have adopted and has worked fairly well. This code increments the count, sets a data attribute to toggle the button, and issues a ...
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2answers
50 views

jQuery handler to update map UI based on AJAX response

I am working on a university project that consists of creating a map application with openlayers as well as the necessary User-Interface. I am using jQuery, native JavaScript, PHP and of course HTML/...
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2answers
63 views

Update game content via AJAX

On my application, I have a JavaScript cycle that updates tag contents on my page regularly: ...
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votes
1answer
21 views

Click a link to delete targeted content using Ajax

I wrote a glypicon as a link to delete a comment: ...
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0answers
17 views

JSON API Scraper v2: Limited concurrency AJAX from a shared queue (ES2017)

Essentially the AJAX component of this question, reimplemented in ES2017 style async/await. The code connects to a remote JSON API and scrapes it using a limited number of streams to avoid triggering ...
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2answers
98 views

Basic PHP template loader

For a project, I need to write a basic template manager who will be responsible to load the requested HTML or PHP template when the user clicks on a menù link. It's like a page loader since that all ...
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1answer
105 views

Writing cleaner PHP code to add additional options

I have a contact form that will perform validation on the server. Right now the form checks if the fields are empty or not. My goal is to expand it following: Check the fields for particular format, ...
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1answer
33 views

Simple AJAX view loading approach

I'm writing my own MVC framework for learning purposes. Usually in my projects I like to use AJAX to send requests and retrive data. Now my doubt is if this can be ...
1
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1answer
75 views

Live search project

I have a live search project and I don't know if it's secure enough or not. I don't access it directly, but I get data by JSON so I shouldn't worry about slashes or quotes, right? The PHP code: <...
4
votes
1answer
150 views

Upload and database insert php function

I love to post here on codereview my code to have a feedback from developers that have more experience than me, to improve my coding skills. During these days I'm working on a webapp for a small ...
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1answer
55 views

store and warehouse management class

I've already posted this PHP class few days ago when I started writing it. Now that all the methods and all the controller logics are ready, I will be ask here for some suggestions about how to ...
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1answer
20 views

Get real time geojson on Javascript

I frequently need to obtain some info about coordinates, because I have dynamic elements on a map (in Openlayers). So I use SetInterval and XMLHttpRequest Object to do it. ...
0
votes
1answer
703 views

Handling keyup events with throttle or debounce in Javascript/jQuery

In my web application, there is a search input field, and when the user empties all of the text inside the input field, there is an API call made for a default-list of results, which are displayed in ...
0
votes
1answer
33 views

Accumulate ids to make a single ajax request

I have multiple places where I need to make ajax requests to fetch the items corresponding to some ids. However, I only want to make a single request by accumulating these ids and debouncing the ...
2
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1answer
50 views

Simple AJAX request application

Today I created my first simple AJAX application. It works fine, but I am a bit unsure if I did everything correct. I'd like to use the code as template for future projects. ...
1
vote
1answer
55 views

Managing Ajax calls

I've gotten fed up of writing boilerplate code for managing Ajax calls, and this is the manager class I've come up with The concept is that it standardizes the interface for RESTful calls, prevents ...
2
votes
2answers
62 views

POST to endpoint and GET data back

I'm working on a little project and although it all works, I think I might be doing it in an incorrect way. The front end consists of a simple form that gathers input data (make and color) and once ...
3
votes
0answers
47 views

Search feature built with jQuery AJAX

This is front end code for a search feature that searches for characters. It uses the users search query to return an array of matching characters, which then gets displayed in a search list for the ...
2
votes
1answer
143 views

Laravel Single Page Application Using Angular Js

I have created a Laravel Single Page Application using Angular Js 1.3.14 by learning tutorials in the websites. index.php: ...