Knockout js

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Knockout JS is a new JavaScript library that utilizes that MVVM pattern to build rich web applications. In this talk we will introduce Knockout JS as well as the MVVM pattern. This will be a code heavy presentation as we illustrate the various features of the framework. Using Knockout, you can easily build responsive, maintainable and testable JavaScript applications.We'll explore testing in Javascript and look at how you can use Knockout JS with Jasmine, a Javascript BDD library. I'll show you how to build rich JavaScript applications using a Test Driven Development approach. We'll also look into how you can extend Knockout by creating custom bindings and using it side by side with JQuery. Lastly we'll examine how you can interact with Knockout via ASP.NET applications and go over some best practices for validation and storage of data.

Technology

HattanShobokshi JavaScript MVVM with Knockout JS

Housekeeping Stuttering is a communication disorder involving disruptions, or “disfluencies,” in a person’s speech. Across all cultures, roughly 1% of people currently has a stuttering disorder. http://westutter.org/

HattanShobokshi Senior Software Engineer www.hattanshobokshi.com hattan@gmail.com http://speakerrate.com/hattanhttp://www.slideshare.net/shobokshi Who am I?

Originally Introduced for WPF and Silverlight,[object Object]

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How difficult is it to port Silverlight applications to HTML5? That is the question we hear every day at ComponentOne. Instead of speculating about it, we decided to sit down and try it. Today we will discuss the process and tools we used when doing so. The approach we took was to use the MVVM pattern (from Silverlight) when developing the HTML5/JavaScript version. By choosing this method we were able to port our data access and UI layers quite easily. We take advantage of tools like KnockoutJS and Wijmo to make the process even easier. Our developers were able to minimize the cost of learning new paradigms in this migration by reusing most of their knowledge. What we ended up with was nearly identical applications in Silverlight and HTML5. Come learn how you can smoothly transition to HTML5!

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Knockout is a JavaScript library that helps you to create rich, responsive display and editor user interfaces with a clean underlying data model. Any time you have sections of UI that update dynamically (e.g., changing depending on the user’s actions or when an external data source changes), KO can help you implement it more simply and maintainably. KO provides a complementary, high-level way to link a data model to a UI.

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Knockout js

1. HattanShobokshi JavaScript MVVM with Knockout JS

2. Housekeeping Stuttering is a communication disorder involving disruptions, or “disfluencies,” in a person’s speech. Across all cultures, roughly 1% of people currently has a stuttering disorder. http://westutter.org/

3. HattanShobokshi Senior Software Engineer www.hattanshobokshi.com hattan@gmail.com http://speakerrate.com/hattanhttp://www.slideshare.net/shobokshi Who am I?

5. Why Knockout JS?

6. Testing JavaScript

7. Customization

8. Best Practices

9. ASP.NETGoals for this talk

10.

11. Separate Business Logic from UI logic

12. Separation of Concerns

13.

14.

15. Declarative bindings - a simple and obvious way to connect parts of your UI to your data model

16. Flexible and sophisticated templating- construct a complex dynamic UI easily using arbitrarily nested templates