Brad Green, Shyam Seshadri's AngularJS: Up and Running: Enhanced Productivity with PDF

By Brad Green, Shyam Seshadri

ISBN-10: 1491901942

ISBN-13: 9781491901946

Advance smaller, lighter net apps which are uncomplicated to create and straightforward to check, expand, and continue as they develop. This hands-on consultant introduces you to AngularJS, the open resource JavaScript framework that makes use of Model–view–controller (MVC) structure, facts binding, client-side templates, and dependency injection to create a much-needed constitution for construction net apps.

Guided by way of engineers who labored on AngularJS at Google, you’ll stroll during the framework’s key good points, after which construct a operating AngularJS app—from format to trying out, compiling, and debugging. You’ll learn the way AngularJS is helping decrease the complexity of your internet app.

Dive deep into Angular’s development blocks and learn the way they paintings together
Gain greatest flexibility by means of setting apart good judgment, information, and presentation tasks with MVC

Assemble your complete app within the browser, utilizing client-side templates

Use AngularJS directives to increase HTML with declarative syntax

Communicate with the server and enforce easy caching with the $http service

Use dependency injection to enhance refactoring, testability, and a number of surroundings design

Get code samples for universal difficulties you face in such a lot net apps

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Additional resources for AngularJS: Up and Running: Enhanced Productivity with Structured Web Apps

Example text

There are a lot more configurations that you can set and modify with Karma, but we won’t get into that in this book. You can read about them at the Karma Configuration File Overview page. Generating the Karma Config Now, you can of course copy and paste the contents of the config file from the previous section to get started, but Karma offers a much nicer way to get started with your own Karma config. Karma lets you autogenerate the config by running the following command: karma init This triggers an interactive shell, which prompts us with a series of questions.

That template accesses a variable called note, which is created in our for each loop that is the ng-repeat. Now, if each template accessed the same context, each instance would show the same text. But to ensure that each template instance of the ng-repeat shows its own value, each ng-repeat also gets its own scope with a variable called note defined in it, which is specific to it. Also note that while the ng-repeat instances each get their own scope, they still have access to the parent scope. If there were a function in our controller that we wanted to access within the ng-repeat, we could still do that.

HelloMsg}} AngularJS. helloMsg = 'Hello '; var goodbyeMsg = 'Goodbye '; }]); If we run this application, our UI should look something like Figure 2-1. Figure 2-1. ” The “Goodbye” message is not printed in the UI. Let’s dig into the example to see if we can clarify what is happening: • We defined our notesApp module as we saw before. • We created a controller called MainCtrl using the controller function on the module. • We defined the variable helloMsg on the controller’s instance (using the this key‐ word), and the variable goodbyeMsg as a local inner variable in the controller’s in‐ stance (using the var keyword).

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AngularJS: Up and Running: Enhanced Productivity with Structured Web Apps by Brad Green, Shyam Seshadri


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