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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6answers
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When am I ready to start using Jquery for Javascript? [closed]

I was told not to use Jquery as a beginner because it would hamper my learning of Javascript. Now I've read a couple books on Javascript, read loads of sites, and made a Javascript web app. Am I ...
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12answers
2k views

Feeling well out of my depth [closed]

I have just started a new job as a front end web developer, this is my second day and I have just been handed quite a big project that involves lots of javascript which I dont know, this is leaving me ...
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2answers
5k views

Best JavaScript Coding Structure Using Object Literal?

Object Literal has no doubt been established in recent years as one of the essential components to best JavaScript coding practices. However, I am not very sure about what is the best way to structure ...
5
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3answers
926 views

Weighing pros and cons for using jQuery for just one widget

I have been using html select boxes or textboxes for date input. On submit, the date is validated and if invalid an error is returned. I have avoided javascript calendars thus far, but jQuery ...
5
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4answers
1k views

How to write JavaScript while keeping HTML/CSS out of it

What is / are some recommended ways to write JavaScript as to control behavior of showing HTML on screen, while keeping well-maintainable code? Basically, I started to look for ways to keep HTML/CSS ...
5
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1answer
688 views

Creating and assigning console.log a new object

I have seen code like this in several places: (function() { var method; var noop = function noop() {}; var methods = [ 'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error'...
5
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1answer
614 views

What would be the best way to manage a lot of jQuery code?

Sorry for the blunt question, I will try to explain further. I am going to have a website which uses jQuery, and I feel that at some point in time, there will be A LOT of jQuery code, meaning A LOT ...
5
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2answers
476 views

Stopping client-side Javascript from turning into a monolith

I'm developing some Javascript front-end code using JQuery with some back-end JSON webservices. IDE is Netbeans, and debugging using that and Chrome. Coming from a C++ background I'm used to small ...
5
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2answers
564 views

Strategy to display value for a HTML select

Strategy to display value for a html select I have a spring boot, application. On the client side, I use JQuery I would like to know the strategy to display "static value" for a html select. ...
4
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3answers
196 views

How to process large image with a minimum time lag

I am trying to create a web UI for image processing, with some operations similar to what a site like fotor.com offers. However, I have problems to achieve a similar performance. For example, lets say ...
4
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3answers
3k views

jQuery - When to Bind Event Listeners?

I'm building a medium-sized "single-page" JavaScript application using jQuery. If you include all possible functionality of the application, there are 134 click bindings. Since most of the content is ...
4
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2answers
381 views

Indenting/breaking jquery chains for readability

I'm curious as to how other people indent/break long jQuery chains, as I can never decide what is more readable (particularly when using .end() to "close" a block of methods e.g. $(this).not(":has(....
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2answers
1k views

What is jQuery and JavaScript's role in MVC?

I'm not sure I understand the role of jQuery/JavaScript in MVC. I've found an article about it on A List Apart, but it doesn't clear anything up for me. Does it bridge the communication between the ...
4
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2answers
418 views

Is prototype.js still relevant?

I'm developing a web application which I started on about 2 years ago. It is an AJAX-heavy single page design and prototype solved problems where I didn't want to reinvent the wheel. I am using a ...
4
votes
2answers
933 views

Is mootools alternative of jquery + backbone / spine / sprouteCore

I was a full time java developer, now I'm also working with JavaScript and Android. A couple of years back when I started learning JavaScript, the first library I tried was jQuery. But it made my life ...
4
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2answers
4k views

Storing session key in a hidden field

Background: I have a question which is outline at Use different local storage between windows. The very high level question is "How can I keep tabs and windows sessions from clashing". Requirement: ...
4
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1answer
1k views

Can I bundle my JavaScript code with an MIT licensed code and keep my code unaffected from the MIT license?

Can I bundle my proprietary JavaScript code with MIT licensed libraries (e.g. JQuery, AngularJS) into the same file, distribute it via HTTP but disallow my users to use my own code as an MIT licensed ...
4
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2answers
2k views

Are there any frameworks available for drawing with CSS?

I realize this sounds silly. Let me explain: I just came across this page about using CSS elements to create shapes- square, circle, triangle, star, yin-yang (yin-yang!), etc. using pseudo elements. ...
4
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1answer
739 views

Visitor pattern. Operating on the nodes of a tree

I am working with jQuery like elements from the cheerio library to manipulate SVG images. These objects represent XML nodes and have a hierarchical internal structure. I am writing a function (in ...
3
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5answers
608 views

Are clean coding rules less relevant for large open source projects? [closed]

I've been reading Robert Martin's book "Clean Code". One of his core tenants is to remove unnecessary comments and strive to create meaningful variable/method names that are self documenting. Some of ...
3
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3answers
506 views

jQuery - programming style - many bindings vs. conditional single one

I frequently see code like that: $("#foo").live("mouseover mouseout", function(e) { if (e.type == "mouseover") { $("#foo").append("<div id='bar'>"); } else { $("#bar")....
3
votes
1answer
127 views

use of jquery-latest

I recently had some code I wrote a year ago fail because someone linked my code to http://code.jquery.com/jquery-latest.js In the latest version, jquery had deprecated/replaced a function. Nice ...
3
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1answer
76 views

WebForms, JQuery and the DRY principle

I'm working on a WebForms application that has several pages. Each page currently loads JQuery in a script tag in the head. A colleague I'm working with insists this is WET code and a violation of ...
3
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2answers
266 views

I keep bouncing from “god function” to “tiny SRP functions” how do I break this cycle?

This question is important for me in growing in my technical abilities. I find I swing from end-to-end, like a pendulum, in writing code that is simultaneously DRY yet readable & efficient. And I'...
3
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3answers
298 views

JavaScript Architecture, Tools, Compatibility and Pitfalls

I am thinking through how I will use JavaScript for a project which is just in its beginning of coding. I am not an expert in JavaScript, but I recognize it as a very important part of the site so I ...
3
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2answers
640 views

How do I share my jQuery plugin with the world?

I made a plugin for jQuery, which I think is quite useful. It combines an animated colours plugin with an easings plugin, and adds a completely new feature of being able to refer to colours ...
3
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3answers
2k views

How to handle large scale js+jquery projects using well written, Object-Oriented JavaScript and jQuery code? [closed]

I love the whole user experience/interface thing and put a lot of jQuery and JavaScript (pure JavaScript for HTML5 stuff, like canvas, file API, etc). The problem I face now is that my codes are ...
3
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2answers
883 views

“web-enabling” an existing C++ app

I've got a Windows application coded in C++. I want to provide a web-based interface to them, with a view to porting them to embedded Linux systems. The web pages are a series of dynamic 'status pages'...
3
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3answers
5k views

Best practices: Ajax and server side scripting with stored procedures

I need to rebuild an old huge website and probably to port everyting to ASP.NET and jQuery and I would like to ask for some suggestion and tips. Actually the website uses: Ajax (client site with ...
3
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1answer
2k views

Caching large amount of ajax returned objects

I'm building an application which fetches large amount of items with ajax requests via other application API. It returns me 6k - 30k js objects which are used multiple times across various application ...
3
votes
1answer
2k views

How to integrate Jquery validation into ASP .Net web form

I have a simple donation form using Jquery Validation and Bootstrap You can see the simple form here : JSFiddle Currently the form is just simple HTML, javascript, and css. It validates correctly ...
3
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2answers
2k views

N-Tiered Web App Using JQuery/ASP.NET Web Services

For fairly small, non-complex web applications, we have utilized jQuery to make asynchronous calls to an ASP.NET web service for interaction with our Sqlite data store. This has proven to be a pretty ...
3
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1answer
1k views

Collecting user input to use as query with API

I'm attempting to collect the user's input and execute a search using an API. At this point, I can use the API (ebay search) by typing keywords into the html document- but I want the user to be able ...
3
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0answers
2k views

Managing Login Authentication/Webpage session: Can client side javascript/JQuery access either a session variable or json variable in html?

Short version: A variable is stored in a session variable req.session.userName and also in the json sent with res.render('/', {username: value}). How can I access either of those variables from inside ...
3
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0answers
39 views

How can I control properties scope while developing plugin in jQuery

I had a generic task in my project which required changing some elements. Instead of making changes for each element I decided to create a plugin for the common task and then bind plugin with each ...
3
votes
1answer
606 views

How to handle asynchronous calls in an offline application

I'm using an offline application's javascript API and I'd like to know if I can use deferred objects to handle the callbacks. The API calls do not use HTTP, the calls are to and from the applications ...
2
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3answers
4k views

Is it better to learn the DOM or jQuery first?

I have gotten very familiar with the core functionality of Javascript and now I am aiming at learning DOM manipulation. I have already thought of learning jQeury for this but I don't know if it is ...
2
votes
2answers
506 views

is it safe to use jQuery and MooTools together?

I just need to know is it safe to use jQuery and MooTools Together in one web framework? I am not trying create application using both of them, but I am in a situation where I need to modify mootool ...
2
votes
3answers
4k views

High traffic chat - how to check if there is new message and show it for all users

I already had question about this but obviously it was not accepted very well, apparently too long when it's actually more information so you could have given me better answer. Ok, I will be much ...
2
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4answers
370 views

Should one-line functions be avoided in jQuery/JavaScript?

So, I had a coworker complain about how I made the following code: ... var foo = getKendoDropdown(window.foo); var bar = getKendoDropdown(window.foo); var sna = getKendoDropdown(window.sna); var fu = ...
2
votes
1answer
123 views

Why JS MVC frameworks prefer data binding to UI element reference?

When you are using frameworks like Angular, Angular2+, and React, the way you put data in the UI is by binding a property to an attribute of a UI element. On the other hand, when you're doing ...
2
votes
2answers
323 views

Using which technique does facebook and pininterest show images?

If anybody has ever noticed that when you open a image in Facebook something like this happens:- suppose you are at your homepage on Facebook:- the URL is https://www.facebook.com/ now if you open a ...
2
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1answer
2k views

use of script tag in different position of page [closed]

I found that sometimes the script don't run properly when I add script tag in the head section. But when I add script right before the ending tag of body it works fine. What is the difference between ...
2
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2answers
2k views

How to organize Javascript and AJAX with PHP?

My javascript is getting out of hand for my PHP application. I have 20 tags that link to various javascript files in a javascript folder. Each javascript file basically controls one element on the ...
2
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1answer
3k views

How to merge two functions that do same things with different variables

I have these two Javascript functions that are equal except for the variables onClickVoteUp: function (e) { var $target = $(e.target); var upvoted = this.model.get("upvoted"); var ...
2
votes
1answer
90 views

Are there standards for handling card swipers in applications?

I'm in the middle of creating a web application for a client, and he wants me to integrate magnetic card swipers so his office staff can quickly swipe a card, and load up details for specific patients ...
2
votes
1answer
15k views

Rendering partial View in MVC

i am not so familiar working with partial Views. The reason behind that is that I really do not have the basics of Jquery/JS/Ajax. But I recently found through some SO post that a partial view can be ...
2
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2answers
2k views

Changing CSS classes when different strings are displayed in a text element with jQuery [closed]

I'm just wondering if this method would be possible using jQuery HTML and PHP. Basically I have a filtering system were products are listed, some have different attribute values such as Hatchback for ...
2
votes
1answer
489 views

How to avoid too much html in JQuery?

I'm not liking how my JQuery is after making some dynamic buttons, or other dynamic things. For example, when I have checkboxes marked, I add a button that is called "Download Selected" and "Remove ...
2
votes
2answers
2k views

Combination of asp.net server side + html/js/jQuery client side

While working with asp.net, I came to an approach that uses asp.net services for the data/business logic layer and html/javascript/jquery for the UI layer, because I could not reach the needed level ...