AngularJS by Example by Chandermani

By Chandermani

Research AngularJS, and take on the demanding situations of contemporary net improvement by means of developing your personal functions with those functional examples you should use and adapt
About This Book

examine the AngularJS improvement workflow and discover a greater option to construct, install, and try applications
discover the center elements of AngularJS and learn how it makes JavaScript net improvement easier
research by way of instance, as you create an increasing number of advanced real-world functions and dive deeper into AngularJS

Who This publication Is For

If you've continually desired to start with AngularJS, this can be a necessary advisor designed that will help you just do that. begin development purposes instantly with the featured examples, and discover a less complicated method of JavaScript net improvement. you will want a few past adventure with HTML, CSS, and JavaScript to get started.
In Detail

AngularJS makes net JavaScript net improvement much less painful and extra equipped – it's unsurprising that this present day it's essentially the most well known instruments in net development.

AngularJS through instance is helping you start with this crucial net improvement framework quick and simply, guiding you thru AngularJS by means of displaying you ways to create your personal real-world purposes. via adopting this strategy, you could bridge the distance among studying and doing instantly, as you stick to the examples to benefit the remarkable positive aspects of Angular and adventure a substantially simple–and powerful–approach to internet development.

You'll start via making a easy bet the quantity video game, to be able to assist you familiarize yourself with the middle parts of Angular, together with its MVC structure, and learn the way every one half interacts with each other. this may offer you an exceptional beginning of information from you could start to construct extra advanced purposes, equivalent to a 7 minute work out app and a longer own coach app. through growing those functions your self, you will discover out how AngularJS manages client-server interactions and the way to successfully make the most of directives to increase functions extra. You'll additionally locate info on checking out your app with instruments reminiscent of Jasmine, in addition to information and methods for essentially the most universal demanding situations of constructing with AngularJS.

AngularJS through instance is a different internet improvement publication that can assist you familiarize yourself with AngularJS and discover a strong resolution for constructing unmarried web page applications.

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Additional info for AngularJS by Example

Sample text

Angular does not merely merge the model and view templates to create the final HTML. Changes done to the model update the view and any update in the view done by the user is reflected back in the model. AngularJS never regenerates the HTML again; it just works on the relevant part of HTML and updates it on model changes. This data binding capability of the framework together with directives and interpolations makes Angular an exceptional view templating engine too. An interesting characteristic about these bindings is that they can be one-way or two-way.

Using interpolation expression for a directive that accepts standard expressions is a common mistake that AngularJS newbies make. ng-click='{{verifyGuess()}}' is invalid, ngclick='verifyGuess()' is correct. When in doubt, always refer to the documentation for the directive to know what is acceptable. The usage of expressions in interpolation symbols and directives is an important concept to understand and this is what we are going to discuss in the next section on expressions. Expressions Expressions in AngularJS are nothing but plain JavaScript code that are evaluated in the context of the current scope object with few limitations.

If true, the element is shown, otherwise it gets hidden. In our case, we use ng-show on the three paragraph elements and show/hide them based on the value of deviation. • ng-controller: As we have already seen, this directive links the controller implementation with the view. We will cover ng-app later in this chapter. Directives are everywhere! They are the most powerful feature of Angular. Using them in HTML is intuitive but creating directives requires a decent understanding of the framework.

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