Questions tagged [jquery]

jQuery is a cross-browser Javascript library that provides abstractions for DOM traversal, event handling, animation, and Ajax interactions for rapid web development.

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3answers
737 views

Planning to convert PDF to JPG, Annotate the image, Reconvert to PDF

I have a feature where scanned exam answer books need to be digitally annotated and marked. The scanning portion of the work is with another vendor who refuses to scan in any format other than PDF as ...
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1answer
195 views

jQuery event binding management

Given the following elements: <div class="container"> <span class="some-class">content</span> ..n span repetitions.. </div> Given the following .on() $('.some-class').on(...
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2answers
119 views

What are other technologies that are capable of creating Websites with Animation, Load Detailed Images & Cross Browser

I am a Junior Web Programmer who is tasked with redesigning our website. Right now the website is made in ActionScript using the FLEX API(so its Flash based). I am looking for advice on what ...
2
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1answer
96 views

handle file downloads from the server

I am wondering if the following would be a good technique to allow user to download files from the server in the below scenario: Info about the scenario: User logs into a system (HTML,JQuery and CSS,...
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1answer
1k views

filtering data from db

I've taken over a web application that someone else built. It's a pretty simple application that queries ALL records from a db and displays them in a list. They've also provided a way to 'filter' the ...
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1answer
2k views

Making Modular, Reusable and Loosely Coupled MVC Components

I am building MVC3 application and need some general guidelines on how to manage complex client side interaction between my components. Here is my definition of one component in general way: ...
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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 ...
2
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1answer
2k views

How can I simulate clicks for a mobile browser?

I am creating a web app. I was testing it on a mobile browser and noticed that :active pseudo class doesn't really work. How should I simulate clicks for a mobile browser? I'm specifically interested ...
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0answers
1k views

Drag and Drop with animations

This is more of a theoretical question which I hope is okay!? I want to code my own drag and drop jQuery plugin, but i'm wondering the best way to go about structuring my code and actually doing it. ...
2
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1answer
1k views

Building a real-time web-app with Ajax .post()

Usually, real-time web-apps are built with websockets, right? Well, let me be radical here - what if I used Ajax? Okay, okay, I know it has its limitations. You can't build Agar.io, sending data ...
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2answers
1k views

ModelState Validation vs JQuery vs Remote

I was stuck with some validations for quite a while. I have been thoroughly searching the internet to find ways to apply the validations I require. I came across many methods for validations even ...
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1answer
2k views

Clear JQuery Listeners Before Ajax Load of Similar Data

I have a tree structure on the left side of my page from which the user can drill down and select items. Each branch has similar items. When clicking a leaf node, I make a JQuery .load(...) call that ...
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0answers
474 views

MVC 5 - Best practice for handling dates inside and outside the USA

I have an MVC 5 application that will be used world wide. A number of the pages in the app will require users to enter dates. I'll be using the jQuery datetimepicker plug-in to allow the user to ...
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3answers
410 views

Does jQuery basically use CSS3 for animation and effects?

I originally started out this question with "what is jQuery, and how does it work", in terms of all that fancy animation, effects, slideshow plugins, etc. I was uncertain as to how JQuery does all ...
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2answers
15k views

Why is Javascript faster than Jquery? [closed]

I was reading a thread and saw this post, which says that Javascript is faster than Jquery because it uses native code. But why is the use of native code faster? Is this always the case? What ...
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3answers
3k views

is there a security issue when using Jquery to develop asp.net web applications

I'm new to web applications. I have developed a web application using ASP.net. After hearing about jquery and going through some examples, I changed the existing application and used jquery to do most ...
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6answers
2k views

How important is it to learn jQuery with ASP.NET

I'm reading a chapter on jQuery in a ASP.NET book. To be honest I'm finding it quite boring. How important is it to learn jQuery? And do many ASP.NET developers use it for their pages? Regards TDG
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4answers
2k views

How can I keep browser URL secret when editing data?

Suppose, There is a user list. <a href="user/5">Edit</a> <a href="user/6">Edit</a> When a system user clicked to edit a user info. Then it goes to url to browser like as ...
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5answers
2k views

ASP vs javascript vs jQuery vs User Controls vs AJAX

Increasingly when developing sites I find myself utilising more client side technologies such as Javascript, jQuery and AJAX. For three different pages I measured the size of the HTML sent to the ...
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4answers
3k views

Auto-save user input - the smartest way?

I'm developing a social network website and I'm working with php/mysql/jquery and I want users to have the most user-friendly website experience. That's why I try to avoid a save (submit) button at ...
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3answers
220 views

what is the difference between the below two syntaxes? [closed]

1. $(function () { function foo() { return true; } log(bar()); // getting error var bar = function() { return true; }; }); 2. $(function () { ...
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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 ...
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1answer
150 views

What's the protocol for a autoexecuting JQuery plugin?

I have a jQuery Plugin that I use myself which modifies the selected value of select items on a page. In my own code the plugin automatically executes as soon as it is included in the page this code ...
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2answers
382 views

Difference between templates in JavaScript and design patterns

What is the difference between templates and design patterns in JavaScript? I read about the template method design pattern and now I wonder how it relates to JavaScript templates (if at all).
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1answer
3k views

How does jQuery work?

What exactly happens underneath (I know it changes the paragraph tag's HTML when the circular div is clicked) when I run this piece of code? Could you please explain the callback function as well. &...
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1answer
4k views

Using SessionStorage to keep client side state

I am working on an web app and I would like to keep the client data in the LOCAL session storage. I can't use the servers session and the app will only call some existing rest WS.I have to develop ...
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1answer
1k views

how can I minimize my ajax calls to the server while creating a dashboard

I want to create a dashboard for my website. I have divided my dashboard into different modules. As I understand it, I will have to make many AJAX calls. The different modules are: total number of ...
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1answer
3k views

How does jQuery's mechanism of event handlers work

I'm in the need of widen my perspective on the framework libraries, to be able to make well aware choices of if/which/when to add a framework to a website. One thing that got my attention was event ...
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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 ...
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2answers
3k views

Attempting to make a Cross Domain AJAX request to a Server I don't own

I'm aware that javascript programs running in a browser are bound to the same-origin policy which prevents them from requesting services from a server that is on a different domain. What I've gathered ...
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1answer
214 views

Would it be the right software engineering system to move from AngularJS-based to jQuery-based or hybrid implementation for webapp?

I am presently working on an AngularJS-based chat webapp, and it polls the server for updates, and then renders them in what is pretty much a straight shot in AngularJS. The result looks appropriate ...
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1answer
658 views

Is the “jQuery programming style” a kind of Reactive programming?

jQuery is a Javascript library and framework, but when we are programming with jQuery into DOM problems/solutions, we can practice a style quite different of programming... We can read about jQuery ...
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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 ...
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1answer
388 views

How to dynamically add new posts once they are created

I am trying to design an application where users can make posts with Django on the backend. Right now I have to refresh the page with JavaScript every 20 or 30 seconds to check for new posts that ...
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3answers
969 views

Next step after creating mock-up screens

I have created some mockup screens for my app in HTML/CSS. I have 4 screens in total. They contain no client-side coding i.e. Javascript or jQuery. The screens themselves are quite bland at the ...
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2answers
162 views

How to declare the need of polyfills publishing jquery plugin (and specially for webpack users)?

I've created jquery plugin that is using modern browser's (Node/Element) features. I'm going to publish plugin as npm package. My wish is not to include polyfills code into jquery plugin, bud declare ...
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2answers
131 views

Effective way of using jQuery

I am trying to modify the DOM via javascript. I've been suggested to use jQuery like this var options = $("<div>") .append( $("<ul>").append( $("&...
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2answers
2k views

Clean code principles to jquery [closed]

A jquery code could get very long in lines and become an spaghetti code. It could bring problems like chaining functions or many lines for getting data from HTML elements. Also it may create a clutter ...
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1answer
2k views

What is the proper way to extract and pass parameters to call javascript functionality from my PHP page?

This is my situation: I have a search results page in PHP where most of the logic resides in a javascript file in order to avoid refreshing the page every time an action is performed. The first thing ...
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3answers
663 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 ...
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1answer
331 views

Trying to do some Obfuscation, How should I approach this particular case?

I currently have an assignment that is really pushing my limits so I need some help on how to approach this. We have a set of 25 results We are using a jquery plugin to vertically scroll through ...
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2answers
251 views

JavaScript (jQuery) And CSS Styling

Lets say I am building a jQuery plugin that has a number of non-configurable css attributes it needs to apply to DOM elements the plugin itself creates. Is it consider better practice to apply the ...
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1answer
656 views

How to submit a bug/fix for jquery unobtrusive validation?

I found a small bug in the microsoft mvc3 remote validation, concerning the clientside javascript implemented in jquerys unobtrusive javascript. The problem/bug can be fixed by adding a few lines to ...
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1answer
52 views

Does it make sense to use reflection or to hard-code controller parameter names in JavaScript?

So I have made a pull request to change this code: //Controller: ... [HttpPost] public ActionResult Unauthorize(int userID, int permissionID) { ...
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1answer
3k views

sending ajax request with setinterval . is it good?

I am developing a website where client needs that any notification should reach as soon as it is created. so i am using setinterval function of jquery and using ajax requests to get the notifications. ...
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1answer
157 views

Is it a good practice to use jQuery object to load scripts onto page?

I am writing a website, and I've come up with quite a few scripts taking up a lot of space and ruining the aesthetics of my code. I came up with the idea of creating one script that fills a div below ...
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1answer
93 views

jQuery, deferrers and “if” conditionals

How could I simplify the following code? I suspect that it can be simplified by using the $.Deferred class, but I don't know how. if (condition) { $.get('url').done(function () { done(); ...
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3answers
96 views

Caching and website performance on iOS vs PC

I have a website that pulls from a database to display images/names/misc info. The pages are used on both iOS Devices (iPhones, iPads, iPods so far) and on PCs using internet explorer and Safari/...
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1answer
165 views

What pattern to use when you have to hide/show different sections on a form depending on a dropdown value?

For example, let's say you have 8 sections to hide/show and depending on the value of a dropdown, you have to show or hide dynamically from 1 to 8 sections. 1) Is there any better way of doing this ...
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1answer
1k views

Penny auction concept and how the timer works

I am creating a penny auction site using PHP yii framework. The main consideration of the system is to update the database records of all active auctions (max 15 auctions) with the current ticker ...