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

Javascript

By Brad Green, Shyam Seshadri

ISBN-10: 1491901942

ISBN-13: 9781491901946

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

Guided via engineers who labored on AngularJS at Google, you’ll stroll throughout the framework’s key beneficial properties, after which construct a operating AngularJS app—from structure to trying out, compiling, and debugging. You’ll learn the way AngularJS is helping lessen the complexity of your internet app.

Dive deep into Angular’s construction blocks and find out how they paintings together
Gain greatest flexibility through isolating good judgment, facts, and presentation obligations 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 uncomplicated caching with the $http service

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

Get code samples for universal difficulties you face in so much net apps

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Extra info for AngularJS: Up and Running: Enhanced Productivity with Structured Web Apps

Example text

Putting it on the tag tells AngularJS to control the entire HTML application. We could also put it on the or any other element on the page. Any element that is a child of that will be handled with AngularJS and be annotated with directives, and anything outside would not be processed. Finally, we have our first taste of AngularJS one-way data-binding. We have put the expressions “1+2” within double curly braces. The double curly is an AngularJS syntax to denote either one-way data-binding or AngularJS expressions.

But first, let’s take a look at the Karma configuration and the options that we will use for our unit tests in this chapter. LOG_INFO, // enable / disable watching file and executing tests // whenever any file changes autoWatch: true, // Start these browsers, currently available: // - Chrome // - ChromeCanary // - Firefox // - Opera // - Safari (only Mac) // - PhantomJS // - IE (only Windows) browsers: ['Chrome'], // Continuous Integration mode // if true, it captures browsers, runs tests, and exits singleRun: false }); }; Let’s take a look at each of the options in the preceding example, to see what effect they have on Karma: basePath The base path from which all files for testing and the tests themselves need to be loaded.

So in this case, we get to see the assignee span if the note has an assignee. ng-class The ng-class directive is used to selectively apply and remove CSS classes from elements. There are multiple ways of using ng-class, and we will talk about what we feel is the most declarative and cleanest option. The ng-class directive can take strings or objects as values. If it is a string, it simply applies the CSS classes directly. If it is an object (which we are returning from the function in the controller), An‐ gularJS takes a look at each key of the object, and depending on whether the value for that key is true or false, applies or removes the CSS class.

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


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