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Microsoft and jQuery

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The jQuery JavaScript library has been steadily getting more popular and with recent developments from Microsoft, jQuery is also getting ever more exposure on the ASP.NET platform including now directly from Microsoft. jQuery is a light weight, open source DOM manipulation library for JavaScript that has changed how many developers think about JavaScript. You can download it and find more information on jQuery on www.jquery.com.

For me jQuery has had a huge impact on how I develop Web applications and was probably the main reason I went from dreading to do JavaScript development to actually looking forward to implementing client side JavaScript functionality. It has also had a profound impact on my JavaScript skill level for me by seeing how the library accomplishes things (and often reviewing the terse but excellent source code). jQuery made an uncomfortable development platform (JavaScript + DOM) a joy to work on. Although jQuery is by no means the only JavaScript library out there, its ease of use, small size, huge community of plug-ins and pure usefulness has made it easily the most popular JavaScript library available today.

As a long time jQuery user, I’ve been excited to see the developments from Microsoft that are bringing jQuery to more ASP.NET developers and providing more integration with jQuery for ASP.NET’s core features rather than relying on the ASP.NET AJAX library.

Microsoft and jQuery – making Friends

jQuery is an open source project but in the last couple of years Microsoft has really thrown its weight behind supporting this open source library as a supported component on the Microsoft platform. When I say supported I literally mean supported: Microsoft now offers actual tech support for jQuery as part of their Product Support Services (PSS) as jQuery integration has become part of several of the ASP.NET toolkits and ships in several of the default Web project templates in Visual Studio 2010. The ASP.NET MVC 3 framework (still in Beta) also uses jQuery for a variety of client side support features including client side validation and we can look forward toward more integration of client side functionality via jQuery in both MVC and WebForms in the future. In other words jQuery is becoming an optional but included component of the ASP.NET platform.

PSS support means that support staff will answer jQuery related support questions as part of any support incidents related to ASP.NET which provides some piece of mind to some corporate development shops that require end to end support from Microsoft.

In addition to including jQuery and supporting it, Microsoft has also been getting involved in providing development resources for extending jQuery’s functionality via plug-ins. Microsoft’s last version of the Microsoft Ajax Library – which is the successor to the native ASP.NET AJAX Library – included some really cool functionality for client templates, databinding and localization. As it turns out Microsoft has rebuilt most of that functionality using jQuery as the base API and provided jQuery plug-ins of these components. Very recently these three plug-ins were submitted and have been approved for inclusion in the official jQuery plug-in repository and been taken over by the jQuery team for further improvements and maintenance.

Even more surprising: The jQuery-templates component has actually been approved for inclusion in the next major update of the jQuery core in jQuery V1.5, which means it will become a native feature that doesn’t require additional script files to be loaded. Imagine this – an open source contribution from Microsoft that has been accepted into a major open source project for a core feature improvement.

Microsoft has come a long way indeed!

What the Microsoft Involvement with jQuery means to you

For Microsoft jQuery support is a strategic decision that affects their direction in client side development, but nothing stopped you from using jQuery in your applications prior to Microsoft’s official backing and in fact a large chunk of developers did so readily prior to Microsoft’s announcement. Official support from Microsoft brings a few benefits to developers however. jQuery support in Visual Studio 2010 means built-in support for jQuery IntelliSense, automatically added jQuery scripts in many projects types and a common base for client side functionality that actually uses what most developers are already using. If you have already been using jQuery and were worried about straying from the Microsoft line and their internal Microsoft Ajax Library – worry no more. With official support and the change in direction towards jQuery Microsoft is now following along what most in the ASP.NET community had already been doing by using jQuery, which is likely the reason for Microsoft’s shift in direction in the first place.

ASP.NET AJAX and the Microsoft AJAX Library weren’t bad technology – there was tons of useful functionality buried in these libraries. However, these libraries never got off the ground, mainly because early incarnations were squarely aimed at control/component developers rather than application developers. For all the functionality that these controls provided for control developers they lacked in useful and easily usable application developer functionality that was easily accessible in day to day client side development. The result was that even though Microsoft shipped support for these tools in the box (in .NET 3.5 and 4.0), other than for the internal support in ASP.NET for things like the UpdatePanel and the ASP.NET AJAX Control Toolkit as well as some third party vendors, the Microsoft client libraries were largely ignored by the developer community opening the door for other client side solutions. Microsoft seems to be acknowledging developer choice in this case: Many more developers were going down the jQuery path rather than using the Microsoft built libraries and there seems to be little sense in continuing development of a technology that largely goes unused by the majority of developers. Kudos for Microsoft for recognizing this and gracefully changing directions.

Note that even though there will be no further development in the Microsoft client libraries they will continue to be supported so if you’re using them in your applications there’s no reason to start running for the exit in a panic and start re-writing everything with jQuery. Although that might be a reasonable choice in some cases, jQuery and the Microsoft libraries work well side by side so that you can leave existing solutions untouched even as you enhance them with jQuery.

The Microsoft jQuery Plug-ins – Solid Core Features

One of the most interesting developments in Microsoft’s embracing of jQuery is that Microsoft has started contributing to jQuery via standard mechanism set for jQuery developers: By submitting plug-ins. Microsoft took some of the nicest new features of the unpublished Microsoft Ajax Client Library and re-wrote these components for jQuery and then submitted them as plug-ins to the jQuery plug-in repository. Accepted plug-ins get taken over by the jQuery team and that’s exactly what happened with the three plug-ins submitted by Microsoft with the templating plug-in even getting slated to be published as part of the jQuery core in the next major release (1.5).

The following plug-ins are provided by Microsoft:

  • jQuery Templates – a client side template rendering engine
  • jQuery Data Link – a client side databinder that can synchronize changes without code
  • jQuery Globalization – provides formatting and conversion features for dates and numbers

The first two are ports of functionality that was slated for the Microsoft Ajax Library while functionality for the globalization library provides functionality that was already found in the original ASP.NET AJAX library. To me all three plug-ins address a pressing need in client side applications and provide functionality I’ve previously used in other incarnations, but with more complete implementations. Let’s take a close look at these plug-ins.

jQuery Templates


Client side templating is a key component for building rich JavaScript applications in the browser. Templating on the client lets you avoid from manually creating markup by creating DOM nodes and injecting them individually into the document via code. Rather you can create markup templates – similar to the way you create classic ASP server markup – and merge data into these templates to render HTML which you can then inject into the document or replace existing content with. Output from templates are rendered as a jQuery matched set and can then be easily inserted into the document as needed.

Templating is key to minimize client side code and reduce repeated code for rendering logic. Instead a single template can be used in many places for updating and adding content to existing pages. Further if you build pure AJAX interfaces that rely entirely on client rendering of the initial page content, templates allow you to a use a single markup template to handle all rendering of each specific HTML section/element.

I’ve used a number of different client rendering template engines with jQuery in the past including jTemplates (a PHP style templating engine) and a modified version of John Resig’s MicroTemplating engine which I built into my own set of libraries because it’s such a commonly used feature in my client side applications.

jQuery templates adds a much richer templating model that allows for sub-templates and access to the data items. Like John Resig’s original Micro Template engine, the core basics of the templating engine create JavaScript code which means that templates can include JavaScript code.

To give you a basic idea of how templates work imagine I have an application that downloads a set of stock quotes based on a symbol list then displays them in the document. To do this you can create an ‘item’ template that describes how each of the quotes is renderd as a template inside of the document:

<script id="stockTemplate" type="text/x-jquery-tmpl">    
    <div id="divStockQuote" class="errordisplay" style="width: 500px;">
        <div class="label">Company:</div><div><b>${Company}(${Symbol})</b></div>
        <div class="label">Last Price:</div><div>${LastPrice}</div>
        <div class="label">Net Change:</div><div>
            {{if NetChange > 0}}
            <b style="color:green" >${NetChange}</b>
            <b style="color:red" >${NetChange}</b>
        <div class="label">Last Update:</div><div>${LastQuoteTimeString}</div>

The ‘template’ is little more than HTML with some markup expressions inside of it that define the template language. Notice the embedded ${} expressions which reference data from the quote objects returned from an AJAX call on the server. You can embed any JavaScript or value expression in these template expressions. There are also a number of structural commands like {{if}} and {{each}} that provide for rudimentary logic inside of your templates as well as commands ({{tmpl}} and {{wrap}}) for nesting templates. You can find more about the full set of markup expressions available in the documentation.

To load up this data you can use code like the following:

<script type="text/javascript">
    //var Proxy = new ServiceProxy("../PageMethods/PageMethodsService.asmx/");
    $(document).ready(function () {

    function GetQuotes() {
        var symbols = $("#txtSymbols").val().split(",");
            url: "../PageMethods/PageMethodsService.asmx/GetStockQuotes",
            data: JSON.stringify({ symbols: symbols }), // parameter map
            type: "POST", // data has to be POSTed                
            contentType: "application/json",
            timeout: 10000,
            dataType: "json",
            success: function (result) {
                var quotes = result.d;
                var jEl = $("#stockTemplate").tmpl(quotes);
            error: function (xhr, status) {
                alert(status + "\r\n" + xhr.responseText);

In this case an ASMX AJAX service is called to retrieve the stock quotes. The service returns an array of quote objects. The result is returned as an object with the .d property (in Microsoft service style) that returns the actual array of quotes. The template is applied with:

var jEl = $("#stockTemplate").tmpl(quotes);

which selects the template script tag and uses the .tmpl() function to apply the data to it. The result is a jQuery matched set of elements that can then be appended to the quote display element in the page.

The template is merged against an array in this example. When the result is an array the template is automatically applied to each each array item. If you pass a single data item – like say a stock quote – the template works exactly the same way but is applied only once. Templates also have access to a $data item which provides the current data item and information about the tempalte that is currently executing. This makes it possible to keep context within the context of the template itself and also to pass context from a parent template to a child template which is very powerful.

Templates can be evaluated by using the template selector and calling the .tmpl() function on the jQuery matched set as shown above or you can use the static $.tmpl() function to provide a template as a string. This allows you to dynamically create templates in code or – more likely – to load templates from the server via AJAX calls. In short there are options

The above shows off some of the basics, but there’s much for functionality available in the template engine. Check the documentation link for more information and links to additional examples. The plug-in download also comes with a number of examples that demonstrate functionality.

jQuery templates will become a native component in jQuery Core 1.5, so it’s definitely worthwhile checking out the engine today and get familiar with this interface. As much as I’m stoked about templating becoming part of the jQuery core because it’s such an integral part of many applications, there are also a couple shortcomings in the current incarnation:

  • Lack of Error Handling
    Currently if you embed an expression that is invalid it’s simply not rendered. There’s no error rendered into the template nor do the various  template functions throw errors which leaves finding of bugs as a runtime exercise. I would like some mechanism – optional if possible – to be able to get error info of what is failing in a template when it’s rendered.
  • No String Output
    Templates are always rendered into a jQuery matched set and there’s no way that I can see to directly render to a string. String output can be useful for debugging as well as opening up templating for creating non-HTML string output.
  • Limited JavaScript Access
    Unlike John Resig’s original MicroTemplating Engine which was entirely based on JavaScript code generation these templates are limited to a few structured commands that can ‘execute’. There’s no code execution inside of script code which means you’re limited to calling expressions available in global objects or the data item passed in. This may or may not be a big deal depending on the complexity of your template logic.

Error handling has been discussed quite a bit and it’s likely there will be some solution to that particualar issue by the time jQuery templates ship. The others are relatively minor issues but something to think about anyway.

jQuery Data Link


jQuery Data Link provides the ability to do two-way data binding between input controls and an underlying object’s properties. The typical scenario is linking a textbox to a property of an object and have the object updated when the text in the textbox is changed and have the textbox change when the value in the object or the entire object changes. The plug-in also supports converter functions that can be applied to provide the conversion logic from string to some other value typically necessary for mapping things like textbox string input to say a number property and potentially applying additional formatting and calculations.

In theory this sounds great, however in reality this plug-in has some serious usability issues.

Using the plug-in you can do things like the following to bind data:

person = { firstName: "rick", lastName: "strahl"};
$(document).ready( function() { // provide for two-way linking of inputs $("form").link(person); // bind to non-input elements explicitly $("#objFirst").link(person, { firstName: { name: "objFirst", convertBack: function (value, source, target) { $(target).text(value); } } }); $("#objLast").link(person, { lastName: { name: "objLast", convertBack: function (value, source, target) { $(target).text(value); } } }); });

This code hooks up two-way linking between a couple of textboxes on the page and the person object. The first line in the .ready() handler provides mapping of object to form field with the same field names as properties on the object. Note that .link() does NOT bind items into the textboxes when you call .link() – changes are mapped only when values change and you move out of the field. Strike one.

The two following commands allow manual binding of values to specific DOM elements which is effectively a one-way bind. You specify the object and a then an explicit mapping where name is an ID in the document. The converter is required to explicitly assign the value to the element. Strike two.

You can also detect changes to the underlying object and cause updates to the input elements bound. Unfortunately the syntax to do this is not very natural as you have to rely on the jQuery data object. To update an object’s properties and get change notification looks like this:

function updateFirstName() {
    $(person).data("firstName", person.firstName + " (code updated)");

This works fine in causing any linked fields to be updated. In the bindings above both the firstName input field and objFirst DOM element gets updated. But the syntax requires you to use a jQuery .data() call for each property change to ensure that the changes are tracked properly. Really? Sure you’re binding through multiple layers of abstraction now but how is that better than just manually assigning values? The code savings (if any) are going to be minimal.

As much as I would like to have a WPF/Silverlight/Observable-like binding mechanism in client script, this plug-in doesn’t help much towards that goal in its current incarnation. While you can bind values, the ‘binder’ is too limited to be really useful. If initial values can’t be assigned from the mappings you’re going to end up duplicating work loading the data using some other mechanism. There’s no easy way to re-bind data with a different object altogether since updates trigger only through the .data members. Finally, any non-input elements have to be bound via code that’s fairly verbose and frankly may be more voluminous than what you might write by hand for manual binding and unbinding.

Two way binding can be very useful but it has to be easy and most importantly natural. If it’s more work to hook up a binding than writing a couple of lines to do binding/unbinding this sort of thing helps very little in most scenarios. In talking to some of the developers the feature set for Data Link is not complete and they are still soliciting input for features and functionality. If you have ideas on how you want this feature to be more useful get involved and post your recommendations.

As it stands, it looks to me like this component needs a lot of love to become useful. For this component to really provide value, bindings need to be able to be refreshed easily and work at the object level, not just the property level. It seems to me we would be much better served by a model binder object that can perform these binding/unbinding tasks in bulk rather than a tool where each link has to be mapped first. I also find the choice of creating a jQuery plug-in questionable – it seems a standalone object – albeit one that relies on the jQuery library – would provide a more intuitive interface than the current forcing of options onto a plug-in style interface. Out of the three Microsoft created components this is by far the least useful and least polished implementation at this point.

jQuery Globalization


Globalization in JavaScript applications often gets short shrift and part of the reason for this is that natively in JavaScript there’s little support for formatting and parsing of numbers and dates. There are a number of JavaScript libraries out there that provide some support for globalization, but most are limited to a particular portion of globalization. As .NET developers we’re fairly spoiled by the richness of APIs provided in the framework and when dealing with client development one really notices the lack of these features.

While you may not necessarily need to localize your application the globalization plug-in also helps with some basic tasks for non-localized applications: Dealing with formatting and parsing of dates and time values. Dates in particular are problematic in JavaScript as there are no formatters whatsoever except the .toString() method which outputs a verbose and next to useless long string. With the globalization plug-in you get a good chunk of the formatting and parsing functionality that the .NET framework provides on the server.

You can write code like the following for example to format numbers and dates:

var date = new Date();
var output =
    $.format(date, "MMM. dd, yy") + "\r\n" +
    $.format(date, "d") + "\r\n" +  // 10/25/2010
    $.format(1222.32213, "N2") + "\r\n" + 
    $.format(1222.33, "c") + "\r\n";


This becomes even more useful if you combine it with templates which can also include any JavaScript expressions. Assuming the globalization plug-in is loaded you can create template expressions that use the $.format function. Here’s the template I used earlier for the stock quote again with a couple of formats applied:

<script id="stockTemplate" type="text/x-jquery-tmpl">    
    <div id="divStockQuote" class="errordisplay" style="width: 500px;">
        <div class="label">Company:</div><div><b>${Company}(${Symbol})</b></div>
        <div class="label">Last Price:</div>
<div>${$.format(LastPrice,"N2")}</div> <div class="label">Net Change:</div><div> {{if NetChange > 0}} <b style="color:green" >${NetChange}</b> {{else}} <b style="color:red" >${NetChange}</b> {{/if}} </div> <div class="label">Last Update:</div>
<div>${$.format(LastQuoteTime,"MMM dd, yyyy")}</div> </div> </script>

There are also parsing methods that can parse dates and numbers from strings into numbers easily:

alert($.parseInt("12.222")); // de-DE uses . for thousands separators

As you can see culture specific options are taken into account when parsing.

The globalization plugin provides rich support for a variety of locales:

  • Get a list of all available cultures
  • Query cultures for culture items (like currency symbol, separators etc.)
  • Localized string names for all calendar related items (days of week, months)
  • Generated off of .NET’s supported locales

In short you get much of the same functionality that you already might be using in .NET on the server side.

The plugin includes a huge number of locales and an Globalization.all.min.js file that contains the text defaults for each of these locales as well as small locale specific script files that define each of the locale specific settings. It’s highly recommended that you NOT use the huge globalization file that includes all locales, but rather add script references to only those languages you explicitly care about.

Overall this plug-in is a welcome helper. Even if you use it with a single locale (like en-US) and do no other localization, you’ll gain solid support for number and date formatting which is a vital feature of many applications.

Changes for Microsoft

It’s good to see Microsoft coming out of its shell and away from the ‘not-built-here’ mentality that has been so pervasive in the past. It’s especially good to see it applied to jQuery – a technology that has stood in drastic contrast to Microsoft’s own internal efforts in terms of design, usage model and… popularity. It’s great to see that Microsoft is paying attention to what customers prefer to use and supporting the customer sentiment – even if it meant drastically changing course of policy and moving into a more open and sharing environment in the process. The additional jQuery support that has been introduced in the last two years certainly has made lives easier for many developers on the ASP.NET platform. It’s also nice to see Microsoft submitting proposals through the standard jQuery process of plug-ins and getting accepted for various very useful projects. Certainly the jQuery Templates plug-in is going to be very useful to many especially since it will be baked into the jQuery core in jQuery 1.5. I hope we see more of this type of involvement from Microsoft in the future. Kudos!

Posted in jQuery  ASP.NET  

The Voices of Reason


James Hughes
November 02, 2010

# re: Microsoft and jQuery

"Templates are always rendered into a jQuery matched set and there’s no way that I can see to directly render to a string."

For HTML output why not just append it to a document fragment and get innerHTML (or just grab the first element in the jQuery object, assuimg there is only one, and innerHTML that)?

I know it's not a simple as just doing something like $.tmplStr() or something but it's easy enough. As for dealing with plain old strings yeah probably not as easy :)

Rick Strahl
November 02, 2010

# re: Microsoft and jQuery

Yeah I know you can do that but you to do so you have to effectively:

* Add an element
* Read the text
* Remove the element

If you do array rendering it gets a lot worse yet because you get a bunch of DOM nodes back. I and you have to iterate over the whole list (or again append it to the document as above).

String output would be cool for simple string formatting for plain text, and any non-HTML generated output.

November 02, 2010

# re: Microsoft and jQuery

It's really nice but where the hell is the visual studio intellisense file? the latest one was for version 1.4.1 from Jan 2010!!!

Rick Strahl
November 02, 2010

# re: Microsoft and jQuery

@Nicolas - good point. But you can use the 1.4.1 version and just rename it for 1.4.3. The jQuery API changes are relatively minor so it'll still work.

November 02, 2010

# re: Microsoft and jQuery

@Rick - of course but it would make much more sense to have an official version than to have to resort to workarounds since the current situation doesn't give a strong indication of the Microsoft commitment

Steven Black
November 02, 2010

# re: Microsoft and jQuery

Another reason to like jQuery, and surely one reason MS is embracing it, is because it effectively masks the plethora of embarrassing Internet Explorer browser bugs in IE-8 and IE-7.

This is in addition to IE-6 which is, of course, in a class all its own even given its age.

Another way of looking at it is, what's Microsoft's web-browser application story without frameworks like jQuery? One possible answer is, marooned.

jQuery and others have definitely quieted somewhat the tide of seething anger towards MS in general, and IE in particular, from front-end web-development communities.

Smart play.

November 02, 2010

# re: Microsoft and jQuery


You can still have a template rendered to string. Let's say you have a template (script element) with id = "#template".
        <script type="text/html" id="template"> 
                {{= name}}

Then you can render the template to string using

       jQuery("#template").template()(jQuery, { data: { name: "test" } }).join("")

or to explain the procedure

      var tmplFn = jQuery("#template").template();
      var dataObject =  { name: "test" };
      var tmplItem = { data: dataObject };
      var tmplText = tmplFn(jQuery, tmplItem).join("");

November 02, 2010

# re: Microsoft and jQuery

Hey Rick normally I agree with you but this time I think you missed the mark. Jquery is slow the naming conventions and syntax is horrible and it has problems with older versions of I.E.

I think Microsoft has given up trying to do anything on their own with visual studio and is to the point they are incorporating anything and everything out there on a whim with little thought - MVC falls into this category as well - hoping something sticks.

The period of development we are going through reminds me of the late 1980's and 1990's where everyone was debating how client server technology should be written.

IMHO I think it would be in the best interest of everyone if Microsoft picked a single paradigm and fully developed it so we don't need to use 10 different technologies all with overlap to build a MSFT webapp. Look at this nonsense we have to deal with webforms, silverlight, mvc, mvc-razor, 5 differnet variations of blend, webmatrix, linq and the .NET framework which is bloated ... It's no wonder why people are leaving Microsoft and going towards PHP.

Rick Strahl
November 03, 2010

# re: Microsoft and jQuery

@John - maybe you're missing the biggest point here: jQuery is not Microsoft specific and it IS exactly what other frameworks and tools out there are using. So go ahead and move to PHP and see if your 'naming conventions' are any better :-). You'll still end up using jQuery or other framework on the client side...

Nobody is forcing you to use any of this stuff. If you want you can use .NET or FoxPro or Visual Basic or Cobol and write the same code you wrote 20 years ago you can still do that today. You can even write that kind of code with .NET if you stick to ASP classic style markup in page code. The question is once you've tried the newer stuff that DOES make life easier - why in the world would you?

Freedom of choice is yours. You can stick with what you know and if that works for you - awesome. But don't complain about new technology that is being embraced widely (and outside of Microsoft) not fitting your particular style - that's just whining...

November 03, 2010

# re: Microsoft and jQuery

"in the last couple of years Microsoft has really thrown its weight behind supporting this open source library"
A couple years, really? Sorry, but to me Microsoft's move is more of a U-turn that happened last year, and was confimed this year with the plugins and the Silverlight announcement. SharePoint 2010, released in May this year, still contains hundreds of kb of plain JavaScript.

Also, I have stopped calling jQuery lightweight, the size has doubled in a couple years. And this is not going to improve with the inclusion of plugins in version 1.5.

Thanks for the detailed plugins review, this is very helpful!

November 05, 2010

# re: Microsoft and jQuery

Great article, thanks for putting this together. I hope these changes usher in a stronger penetration into Enterprise market that's still reluctant to embrace it.

Rumen Stankov
November 06, 2010

# re: Microsoft and jQuery

Excellent points, as always, Rick. As far as I remember, one of your posts inspired much of the templating logic behind the current Microsoft templating jQuery implementation, no? Either way. all of this is great.

JQuery mixes perfectly with ASP.NET (especially with MVC where there are no page-lifecycle/viewstate issues). I have developed controls/components with the ASP.NET AJAX client-side and conventions before, and while it was a significant improvement (Javascript was practically avoided in general before), it lacked many of the features and eco-system jQuery has.

Data-link plugin sounds interesting too, sort of INotifyPropertyChanged in WPF/Silverlight? Will spend some time there too. I just hope that the jQuery core will not become bloated, the changes there should be very careful.

November 09, 2010

# re: Microsoft and jQuery

For a more robust data linking solution, have a look at http://knockoutjs.com/ which does what you're hoping for. A good intro is at http://blog.stevensanderson.com/2010/07/05/introducing-knockout-a-ui-library-for-javascript/

Steve Sanderson (the KO author) is now working for Microsoft, and hopefully his good work with Knockout will inspire changes to data-link.

November 10, 2010

# re: Microsoft and jQuery

I'm seconding AC's comment. I'm using KO with templating for several months now, and the huge web app it is used for is nearing a production stage. Take a look Rick - you'll like it!

November 18, 2010

# re: Microsoft and jQuery

Mike: I've just started using KO and templates on a fairly complex app. Any chance you'd be willing to share some best practices? If so please feel free to contact me at redventana@gmail.com.

Also thanks to Rick for the excellent post!

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