Beginning AngularJS by Andrew Grant

By Andrew Grant

Starting AngularJS is your step by step consultant to studying the robust AngularJS JavaScript framework. AngularJS is among the Most worthy and leading edge frameworks for construction competently dependent, easy-to-develop internet purposes. This publication will educate you absolutely the necessities, from downloading and fitting AngularJS, to utilizing modules, controllers, expressions, filters, and directives. not like many different books, you do not need adventure with AngularJS or deep JavaScript wisdom to start right here. This e-book will commence by way of educating you the JavaScript you must understand, after which you will get into the fundamentals of AngularJS. you are going to examine strong AngularJS concepts via transparent directions. With what you study you possibly can appropriately constitution your code into achievable modules, comprehend the MVC layout styles, create expressive and adaptive HTML types, converse with servers and use different AngularJS providers, use the strong integrated directives, and the best way to create your individual. this may all look unknown now, yet with this booklet you are going to know it all.

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Additional info for Beginning AngularJS

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In this book, I will always declare the ngApp directive on the HTML element. While it is handy to know that you can tell AngularJS to manage only a specific portion of the DOM, I want you to see the effect of it being in the wrong location, or missing altogether. Forgetting to add the ngApp directive is one of the most common mistakes that beginners make. ■■Note It is technically possible, though not terribly common, to use more than one ngApp directive per page. There are a couple of limitations, however.

Singleton Design Pattern Documentation Title Description Pattern Name and Classification Singleton: an object creational pattern Intent Ensures that a class has only one instance and provides a global point of access to it Motivation Sometimes it makes sense to control the creation of certain objects. For example, rather than allow an application to create numerous database connection objects, it may make more sense to allow for a single connection object, which an application can access through a gateway object, that provides access to a single instance.

Length}}. Don’t actually use a scope reference in this manner within an expression; it won’t work, as the use of the current scope object is implicit. Listing 3-3 pulls all of this together into a single MVC example. It’s short and simple, but the essence of AngularJS is on display here. Listing 3-3. length property. Figure 3-2. Counting the number of employees (output of Listing 3-3) Perhaps the most important aspect of Listing 3-3 is how we use a scope object, an instance of which, as we discussed, was passed into our controller function by the framework.

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