jQuery

We mentioned earlier that this leverages jQuery's convention of using divs on the page to stand for separate pages of your application.

Because jQuery plug-ins are so easy to write, hundreds of them are available for you to use.

And from a technology standpoint, the popularity of jQuery has made it almost too easy to implement a slideshow.

To stress this again in a different way, all of your jQuery code needs to be in this function on a page, or in its own function.

jQuery has a super-sophisticated and very easy to use selection syntax, making these types of hybrid naming schemes unnecessary.

Maybe like most people, I saw how easy it was to work with client-side coding with jQuery, and I ignored any possible performance hits.

However, you also have the ability to parse the return information using jQuery code just as you parse your own Web pages on startup.

Now that you've looked at the demo, you've probably noticed how much effect the jQuery UI adds to the dynamic feel of the application.

The first part of the book introduces jQuery and helps you to understand what the fuss is all about.

Coupled with its JSONP support and jQuery, YQL lets you access structured data across the Web through a single unified interface.

The implementation of my filter is provided in the next section as part of a general system for setting up jQuery to process XML.

With the jQuery library and global. js file in place, you're ready to start improving the application's interface.

The purpose of these wrappers is to give jQuery UI Tabs hooks so it knows which chunks of markup to turn into tabbed content.

However, given the limitations in jQuery's previous releases, this was the only option.

It's not as widely used, nor as easy to deploy as jQuery, but an attractive option for XML-heavy applications.

For the jQuery code to work properly, each name needs to be clearly defined in its own space, hence the term namespace.

jQuery automatically replaces the ? with a generated function name to call.

Bonus if you know j Query and can do front-end development as well.

A good CSS, JavaScript, jQuery and HTML book will go very far, and none would be specific to any one server-side technology.

GreyBox, another jQuery plug-in, allows you to link to the manufacturer Web sites in a simple, gorgeous lightbox.

Each one of these areas will be filled by the skeletal jQuery code shown in Listing 8.

A jQuery object is something like an array but comes with a ton of special jQuery functions.

Now you could spend a lot of time building all that stuff for yourself, but why do that when there is jQuery Mobile?

Note that I've used : first in the jQuery sample to make it work exactly like the XPath version.

Libraries like jQuery and jQuery Mobile make it extremely easy to build out user interfaces that work in the mobile environment.

One of the most popular of these libraries is jQuery, which has been covered in several articles here on developerWorks.

To create your Ajax tabs, however, those links need to be transformed into a format that jQuery UI Tabs can understand.

as the callback function name, instead of a real function name, to let jQuery know that it should generate a function for us.

Each element in the form contains a unique ID because you want to be able to identify each piece using jQuery.

Rest assured, before we get to the end of the 15 Days of jQuery you're going to see some more advanced tutorials, examples, and code.

jQuery UI Tabs turns ul elements into a tabbed interface and turns chunks of inline or Ajax markup into the content for those tabs.

Let's take a look at how you can accomplish both in a code snippet, iterating through each selected element and return the jQuery object.

jQuery also makes it easy to change the class attribute of your secondary nav menu.

A new sub-library called Enchant is in the works which will be a full set of animations and effects that integrates seamlessly with jQuery.

This section steps through some of the performance tuning and best practice tips for improving the speed of your jQuery code.

In addition to its support for progressive enhancement, jQuery allows you to leverage a large, vibrant community of plug-in developers.

Let's suppose you had a carousel widget and a photo gallery widget that you downloaded from different sites, and they both used jQuery.

All of the setup code for these widgets is going to be in the jQuery code itself.

The tabs method of jQuery UI Tabs then transforms that ul and its li children into a tabbed interface.

Unlike similar JavaScript libraries, jQuery has a unique philosophy that allows you to express common complex code succinctly.

Not surprisingly, jQuery offers several ways of traversing over the results of these searches.

Many JavaScript toolkits attempt to anticipate every possible developer need, but jQuery focuses on the basics.

Congratulations, your plug-in is now a part of the jQuery plug-in community, and you are officially a contributor to an open source project.

The point is, the jQuery portion of this application doesn't care what happens on the back end.

In this article, we share with you some innovative uses of j Query in animating web design elements.

This also added a certain decay to each jQuery version, because browsers are always coming into and going out of use.

First, within the callback, jQuery's each function iterates over the friends collection within the received JSON response.

jQuery UI Tabs, a jQuery plug-in, allows you to wrap inline or Ajax content in a tabbed interface.

The jQuery UI project is an exciting new branch of jQuery that promises to grow quickly in the next year.

jTip, a jQuery plug-in, allows you to replace the informational pop-up windows with simple, cross-browser tooltips.

Now it's extremely simple, and has led to my applications taking full advantage of everything that Ajax can offer.

page, as shown in Listing 2. We switch between the default list view and this add-new-server form with some jQuery magic.

Most developers can be up and running in a few minutes.

jQuery API documentation: Explore the complete documentation of jQuery with links to tutorials as well as the API reference.

The plugin checks every 20 milliseconds to see if any DOM manipulation has happened via other jQuery calls.

This jQuery plug-in allow you to replace your informational pop-ups with simple, cross-browser tooltips.

By making a few changes to this markup, you let jQuery UI Tabs transform it into your tab interface.

Because jquery_sample. htm is now the active file, your j Query profile now becomes the active Profile in the Code Assist Profiles View.

jQuery Calendar Widget Plugin is a simple jQuery Calendar Widget Plugin with a month view.

You could also include some simple jQuery animations or jQuery tooltips that would reveal more information on demand.

jQuery is a fantastic extension to JavaScript that allows you to write code extremely quickly without sacrificing quality.

The jQuery site: Get what you need for rapid web development: Download the jQuery library and find all of the documentation you need.

By the end of this article you should have all the jQuery tools in place to create your own RIA and impress your clients.

This jQuery plug-in lets you link to your manufacturer Web sites in a simple, gorgeous lightbox.

Some of the most popular ones today are jQuery (especially with jQuery UI), MooTools, YUI (Yahoo! User Interface library), and ExtJS.

At the top of the page, Listing 4 includes the jQuery library and a CSS stylesheet to make the output pretty.

Let's look at the individual tests results to see where jQuery code needs attention.

and MooTools were one of the first technologies to really help deploy slick and interactive rich web apps.

You could call this service with jQuery's JSONP support using the code shown in Listing 5.

One thing that I've learned while managing jQuery it's that there's a huge potential to lose users in between projects.

jQuery has created its own syntax for selection, and it is quite easy to learn.

This shows a level of dedication to the users that will be appreciated by those that use jQuery and attractive to those that do not.

Both XPath and jQuery support straightforward traversal semantics for matching element nodes in relation to the currently matched element.

If you have ever visited Learning jQuery then you might have noticed the awesome date display next to each blog post.

Dynamically creating HTML elements is one of the more tedious tasks in typical web development; once again, this is where jQuery shines.

jQuery UI Tabs transforms this markup into the new tab interface for your content.

By calling jQuery's bind method on your newly created tab set, you can attach a handler to this custom event.

jQuery UI Tabs is part of jQuery UI, a set of configurable user-interface widgets and components.

jQuery Mobile is a touch-optimized JavaScript framework for creating cross-device web applications targeted at smartphones and tablets.

Calling the servlet from a web page via Ajax isn't terribly difficult; in fact, I can simplify it with a library like JQuery.

jQuery's Globalization library, developed in conjunction with Microsoft, provides full client-side globalization.

All vulnerabilities and countermeasures are demonstrated using a sample application built with jQuery Mobile, PHP, and MySQL.

After adding the jQuery library and new index. html file, re-export the project as a WAR file by following the same steps as before.

jQuery is a fast, lightweight, open source JavaScript library designed to simplify manipulating HTML pages and Ajax interactions.

jQuery 1. 3 is the next planned for this summer and will include speed improvements to the Selector Engine and DOM Manipulation.

Because I consider the jQuery team to be much smarter than me, who am I to disagree with any of the rules, right?

If the request is being made to the same domain, then jQuery turns it into an ordinary Ajax request.

In this example, you use simple HTML tags to pull in icon images and jQuery to attach an anonymous function to that image.

You therefore use jQuery to grab object references to the two links and override their default behavior with click event handlers.

Luckily, the jQuery Forms utility library does most of the work for you.

Luckily, the jQuery Forms utility library does most of the work for you.

Then add some jQuery code to monitor the value of the radius control and to update the page as shown in Listing 5.

Developers should not be lazy when writing their jQuery selections, although it is tempting to do because of its simplicity.

jQuery Mobile is a user interface toolkit built on top of the extremely popular jQuery JavaScript library.

Learn more about the jQuery framework, indispensable for JavaScript development on all modern browsers, including mobile browsers.

This plug-in is part of the new jQuery UI collection of customizable widgets and user-interface components.

Since the jQuery Library is used in the JavaScript part, the HTML page contains no event-handler attributes.

This also wraps up the JQuery articles about the core libraries that ship with every JQuery release.

This plug-in is part of the jQuery UI collection of customizable widgets and user-interface components.

This means as new browsers are created, and old ones disappear, the jQuery version will never need to be updated.

When the page is loaded, the data is displayed through the help of jQuery and a helper function in the netmon. js file.

I'll use the same jQuery getJSON call; however, this time around, my callback function will do a bit more.

The last step is to share it with the world and get it on the jQuery Web site's plug-in repository.

Since my last series, jQuery has solidified its position as the client-side JavaScript library of choice.

The jQuery Ajax request posts data to a Web page and uses the resulting page data; it's not programmatically touching the method itself.

This is not intended to be a full tutorial on jQuery but just some simple examples of using the JavaScript library with ASP. NET MVC.

It's a custom animation method that lets you define all the parameters in the animation, and jQuery will take care of the rest.

You can see how the power of jQuery selectors can simplify your code.

Then I read the jQuery plug-in commandments, rules that are put in place to ensure that plug-ins are consistent across authors.

It does provide for a non-global block in typical jQuery idiom for namespace scoping.

Today, this problem persists, as developers rush to libraries and frameworks like jQuery and YUI to make their lives easier.

You need script elements to load jQuery itself, the workbench JavaScript, and your application-specific script.

Again, this is another common jQuery paradigm for linking between the pages of a web application.

jQuery has plug-ins for tabs, rounded corners, slide shows, tool tips, date selectors, and probably anything else you can imagine.

As the comments in Listing 8 make clear, you're using the power of jQuery to transform your original markup into its new tabbed format.

Notice this jQuery code is calling a JSON method at the location of our controller.

JQuery has grown rapidly in popularity over the past few months to become the JavaScript library of choice for Web developers.

jQuery was first released by John Resig back in 2006, and Microsoft announced their support of the JavaScript library in 2008.

This implies that DOM manipulation made outside of jQuery will not trigger the re-evaluation.

With a simple built-in function, jQuery ensures that your code will work because it waits for the page to load.

In the Code Assist Profiles View, expand the jquery_sample. htm project folder to view the documented JQuery library files.

An unspecified number of ASP. NET developers are already working full time on jQuery.

Unfortunately, this is not supported in jQuery, so people have resorted to all sorts of hackery to deal with namespaces.

It contains a colon, which is a reserved character in jQuery selectors, and must be escaped using a backslash.

This first article in this jQuery series begins by exploring the syntax of jQuery, how it is set up, and how its functions are called.

Selectors: Get a complete list of all the selectors you can use with jQuery, including CSS3 and XPath selectors.

Here, you have used another jQuery selector to get a reference to the form shown in Listing 6.

This diversity of potential variables has caused jQuery to create a generalized function to access them.

The element where the currently-called jQuery event handler was attached.

Also, recall from the jQuery plug-in commandments, the "this" object is a reference to the jQuery object.

jQuery enables this coding style by parsing the DOM automatically when all the markup has been rendered.

Now that you've learned the background, it's time to begin simplifying your navigation with jQuery.

In essence, jQuery makes it easier to do things that are common with DOM scripting.

Next, you use jQuery to add a function to each of your new image "buttons. "

However, several differences exist between this markup and the HTML structures jQuery UI Tabs expects.

Also, looking back at the Commandments, each plug-in method should return the jQuery object.

When using event handlers in jQuery, the context variable refers to the element that fired the event.

I hope that it changes, and that it eventually makes its way into jQuery proper.

In fact, when determining what browsers to support for the jQuery library we use a mix of market share and intuition.

Live Query is a new plugin for jQuery that lets you register events or fire callbacks for matching DOM elements.

There are two externally loaded JavaScript files: one for the jQuery library and one for helper functions for our application.

This lets everyone use the plug-in you create, bettering the entire jQuery development community.

In the jQuery project we try to look at a number of criteria.

It's important to note that the above data has absolutely no relation to the actual visitors to the jQuery. com web site.

Easy HTML DOM traversal using jQuery selectors and binding selected elements to events.

It aims to bring more flexibility to jquery-mobile layout and thus make it easier to use on tablets.

This immediately made me think "how does the performance of jQuery compare to JavaScript? "

The jQuery core team agreed so much in the importance of this plug-in that they incorporated it into their 1. 3 release.

You'll be introduced to j Query's animation techniques and see how to hide, show, and move page elements with the greatest of ease.

Like jQuery, it chooses to include a limited set of effects.

jQuery only returns the first matching element when using the ID selection, because it expects you to follow proper page design.

You first get a reference to the unordered list from Listing 3 by passing a CSS selector to jQuery.

Add visual transitions to jTip and ThickBox using jQuery and its various effects plug-ins.

In the example in Listing 3, I create a simple button that, when clicked, prompts jQuery to fill a with content.

In this jQuery animation technique, you will learn how to animate a set of images that reacts to the user's mouse movements.

The first function is the usual jQuery hook invoked once the main page DOM is fully ready.

Also note, that jQuery is not required to use the Globalize plugin.

You can follow a tutorial on dynamic tabs and 'tabs' visual control in jQuery to create dynamic tabs.

You'll also get the inside scoop on j Query's secret sauce: attaching events unobtrusively, even before the page finishes loading.

jQuery is, perhaps, best at simplifying DOM scripting and event handling.

Once you get past that hurdle, jQuery gives you the tools to deal with the many sorts of irregular documents so aptly expressed with XML.

jQuery is fun to use, because you always learn new tricks and features that seem so natural.

jQuery blog: Frequent the official jQuery blog for regular news and updates.

Form plug-in: Get a jQuery plug-in that lets you submit a form using Ajax.

Finally, I gave a quick look at the upcoming changes you'll be seeing in jQuery and the browser's JavaScript engines.

This data is supported in the results for jQuery in the performance test I've been running.

We include the jquery. js library file to aid in DOM manipulation and Ajax queries.

Here is another example of a special effect feature in jQuery.

Since it is built on jQuery's core 1. 6 and UI, the mobile framework works on desktop browsers as well.

JQuery is currently being adapted to build mobile web applications ( JQuery Mobile Alpha 3 was released last month).

Good for sites that don't want to upgrade their jQuery versions every year and the testing that would require.

For jQuery, the only file you need to keep is the minified version of the library itself.

The main reception building using j query CSS display order platform.

Unfortunately, you have to run jQuery on the page every time and the code has to be executed manually which is not very convenient.

Are we meeting the needs of those who don't use jQuery?

In fact, the real performance problems don't lie with jQuery or JavaScript, but with the browsers themselves.

The second part of the book steps you through each of the major aspects of the j Query library.

As I was writing this last section of the article, in fact, the jQuery 1. 3 version was released and included the Sizzle selection engine.

In addition, some of the design components will require a solid working knowledge of JQuery and CSS.

The jQuery project is also planning a live conference for this fall.

In this article, you learned how to use jQuery and YQL to build up a mashup Web page with few lines of code.

To complete this final task, you need your other plug-in: jQuery Form.

jQuery: Find out more on their site, including all of their cool plugins.

If the developer ever needs to change the jQuery pseudonym, it likely means that the broken plug-ins will get dumped.

It will include the Dimensions plugin as part of jQuery Core.

jQuery UI Tabs also provide some custom event hooks within the life cycle of the tab interface.

Downloading and installing the UI library isn't like installing the jQuery core or a plug-in.

jQuery is a tool that spoke to me. I hope this tutorial has shown you one more useful way to use it.

A jQuery-powered map of open school-teacher positions.

file doesn't know or care that its receiving its instructions from a jQuery function.

The first thing this page does is include jQuery, the Class extension, and your new DbWrapper. js file.

Listing 10 shows how you handle displaying the suggested names using jQuery.

Figure 2 displays the start of the application: a jQuery UI button.

jQuery helps you keep your code simple and succinct.

Listing 5 shows how to modify the jQuery object so that it only binds to the username field within the registration_form form.

jQuery Class extension: Find this handy extension for class creation and management for jQuery that is hosted on the Google code site.

jQuery . In this case you'd want to make sure that you didn't include jQuery twice by mistake.

The jQuery library has greatly simplified the process of using Ajax.

JCarousel: Try the carousel widget built on the jQuery framework.

One more note: you've heard about jQuery, which is probably the most widely-used JavaScript library.

Next, this function must return this (the jQuery object) so that it doesn't break method chaining.

You have to simulate this with a short function when using jQuery (see Listing 16).

Because you only tested this plug-in in jQuery 1. 2, you will only include that as a compatible version.

First, to add a function to every jQuery object, you must assign it to $. fn.

After the data is back, the code uses jQuery to find all of the episode tags.

You'll see this code used again and again in the examples I give you on 15 Days of jQuery.

You can use a jQuery tooltip to make the design more interactive.

It seems like there is a new jQuery slider plugin released every week.

If a jQuery action modified the DOM, then the live bindings are re-evaluated.

How does this affect your jQuery code?

Of course, there are plenty of other things you can do with jQuery, but this is a good first glance.

Plus it's a good learning tool for skills such as database access, PHP, Ajax, jQuery, and JavaScript.

Consider the jQuery example in Listing 6, where you highlight a div element based on the hover event.

To do so, use jQuery to change the class attribute of the ul element from nav to navTabs.

You can use jQuery to take care of basic animations and effects.

jQuery UI: Learn more and download additional widgets from the jQuery UI Web site.

Beginning with version 1. 2, jQuery has had native support for JSONP calls.

To be more specific, you're not just using the jQuery core but also the jQuery UI, which provides widgets, themes, and animation.

There are two ways to trigger a form submission using jQuery: using the submit handler or the click handler.

Get to know the jQuery application program interface (API) at the jQuery documentation Web site.

So, you have a reference to the jQuery-selected elements that were passed into the method, and now you just need to iterate through them.

Event can be any jQuery event such as click or mouseover.

What jQuery does is, it assigns the message response in this parameter and then you can process it accordingly.

You know, of course, the jQuery object is "this" , so you can simply return this in your method and be all good.

file and make sure to add the call to your freshly downloaded jquery. js file.

Note that the jQuery examples in the article should work unmodified with jQuery 1. 3. 2, the previous version.

jQuery 1. 2. 4 will also include speed optimizations for event handling methods.

jQuery claims the 1. 3 version of the selection engine has a 49% increase in speed over 1. 2. 6 when all the browsers are considered.

I will call my plug-in "jquery. numberformatter. js. "

In versions earlier than jQuery 1. 3. x, you would add @ right before nodeName.

We'd love to be using jQuery for all our PhoneGap projects but because the library is so big the initialization time is terrible.

The code in Listing 4 is pure jQuery.

That last point was really highlighted today when they announced the jQuery 1. 2 release less than 3 weeks after its predecessor 1. 1. 4.

To build the chart, use the very cool jqPlot library, which is also built on jQuery.

With jQuery, we don't need to write an onclick for every single element.

Tellurium 0. 7. 0 has implemented a new test driving engine using jQuery.

For example, you can assign a click handler function to each element in the jQuery object by calling the click function.

I am using jQuery to write html page recently, although it can achieve many effects, I also think jQuery is a temp method.

But with the help of jQuery, I think we can do better.

In jQuery, you have to use : eq(2) to get the third result.

You should also have some experience using a library tool, such as jQuery or Dojo.

The latest version, jQuery 1. 1. 3 has recently been released with DOM traversal over 800% faster than in 1. 1. 2.

dojox. jq, a very experimental module aimed at trying to match the jQuery API as close as possible, but using Dojo underneath

Google Trends has helped us to learn some things about the use of the library. The biggest of which is the "Christmas slump. "

Write jQuery scripts that you know you'll be using or that will be main attractions of the design, such as slideshows

After you've downloaded jQuery, you can add it to any HTML or PHP file by including a simple tag

Your tools for this overhaul include jQuery, the popular Ajax library you used in previous installments, and two familiar plug-ins

It's fairly simple to do this with a quick conditional inside your click handlers. Here's an example jQuery compatible snippet

The jQuery getJSON function in Listing 15 might look a bit strange, but it's quite easy once you understand what's going on

You can bind to these events using jQuery, even though the events are not native to jQuery. Following is the code