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As shown below :. Learning Angular requires borrowing concepts and ideologies from Java. It may seem tough to learn Angular but if you are interested to learn AngularJS, it would be a great idea to invest in one of the latest books on AngularJS. There are several outstanding books out there and choosing the right book is important as it can guide your learning. In this article, we have compiled a list of best books for learning AngularJS through a collection of book reviews.

Each book review will highlight the taste of the book, contents covered, and how it can benefit you. Separation of concerns means that data is decoupled from presentation and logic. AngularJS is one of the most popular and most established open source, full-featured frameworks to develop dynamic apps.

More structured and perhaps even more complicated than other modern frameworks like Vue and React, Angular is powerful. Knowing Angular can be a huge asset for employers. The story of Angular started in as a project in Google to simplify web application development. The built-in attributes directives of the framework makes for more dynamic web pages.

Because of AngularJS separation of concerns, apps are easy to extend and customize. Angular supports both Unit Testing and Integration Testing. It makes it easier to learn, develop, and scale web applications. Selecting the best books on AngularJS is like selecting the perfect coffee blend: it is challenging but rewarding. At Books on Code , we consider ourselves experts on selecting the best programming books for the best learning.

The selections in this list are unique because they are all recent, up-to-date publications. To help you in selecting a well-structured and latest book for learning AngularJS, we have narrowed it down to the top 5 best AngularJS books for , all available for you to buy today. We have selected the latest books where content is focused on the latest changes and gives you the confidence to move forward. Thoroughly teach and explain the latest AngularJS concepts.

Contain exercises, examples, and practice problems for hands-on experience. Well-structured and friendly toward self-taught programmers.

Here are the reviews on the five best and latest AngularJS books for beginners and advanced programmers. This book covers new features and modern web development practices to address the current frontend web development landscape. This is a well-structures book for beginners who are looking forward to learning the framework needed to start developing Angular apps.

The book on Angular will teach you to develop apps by harnessing the power of the Angular command-line interface CLI. You will learn to write unit tests, style your apps by following the Material Design guidelines, and finally deploy them to a hosting provider. The book is simple to understand, well designed, and clearly written.

When we set the key to a function, we call it a method. The possible options are shown below. It is responsible for telling Angular in which format our directive will be declared in the DOM. By default, Angular expects that we will declare a custom directive as an attribute, meaning the restrict option is set to A. See the chapter on Internet Explorer for more information on this topic.

Avoid using comments to declare a directive. This format was originally introduced as a way to create directives that span multiple elements. If you are curious, however, take a look at the Chrome developer tools elements tab when using ng-repeat to see comments being used under the hood. Element or Attribute? Use an element when creating something new on the page that will encapsulate a self-contained piece of functionality. Use an attribute when decorating an existing element with data or behavior.

The guiding principle here is that the format of a directive tells a story about our applications and reveals the intent of each piece, creating exemplary code that is easy to understand and share with others. The other distinction that is important to make for a given directive is whether it creates, inherits, or isolates itself from the scope of its containing environment. Priority number The priority option can be set to a number.

For example, ngRepeat sets this option at so that it always gets invoked before other directives on the same element. If an element is decorated with two directives that have the same priority, then the first directive declared on the element will be invoked first. It is always invoked before other directives on the same element. Performance is a key factor here. Terminal boolean terminal is a boolean option; it can be set to true or false. We use the terminal option to tell Angular to stop invoking any further directives on an element that have a higher priority.

All directives with the same priority will be executed, however. Directives Explained Template string function template is optional. The t in tElement and tAttrs stands for template, as opposed to instance. Angular treats the template string no differently than any other HTML. When a template string contains more than one DOM element or only a single text node, it must be wrapped in a parent element.

We include these so that Angular can parse multi-line strings correctly. In production code, it would be a better choice to use the templateUrl option because multi-lines strings are a nightmare to look at and maintain.

One of the most important features to understand about a template string or templateURL is how it gets its scope. The function must return the path to an HTML file as a string. Having to wait for a large number of templates to asynchronously load via Ajax can really slow down a client-side application. Caching is a better option in most cases because Angular will not make an Ajax request, thus providing better performance by minimizing the number of requests run.

For more information about caching, check out the in-depth discussion on caching here. For more information about how this adjustment works, see the next steps chapter. If provided, it must be set to true. It is set to false by default. Furthermore, inside this second div is another div that also has get and set access to the exact same root scope.

Just because a directive is nested within another directive does not necessarily mean its scope has been changed. By default, child directives are given access to the exact same scope as their parent DOM nodes. The reason for that can be understood by learning about the scope directive option, which is set to false by default. Directives Explained Scope Option boolean object scope is optional. By default, it is set to false. When scope is set to true, a new scope object is created that prototypically inherits from its parent scope.

If multiple directives on an element provide an isolate scope, only one new scope is applied. Root elements within the template of a directive always get a new scope; thus, for those objects, scope is set to true by default.

The built-in ng-controller directive exists for the sole purpose of creating a new child scope that prototypically inherits from the surrounding scope. It creates a new scope that inherits from the surrounding scope. Inside the third div, however, the value we set inside our inherited scope data for a 3rd property is shown.

Isolate Scope Isolate scope is likely the most confusing of the three options available when setting the scope property, but also the most powerful. Isolate scope is based on the ideology present in Object Oriented Programming. Two-Way Data Binding Perhaps the most powerful feature in Angular, two-way data binding allows us to bind the value of a property inside the private scope of our directive to the value of an attribute available within the DOM.

In the previous chapter on directives we looked at a good example of how ng-model provides two-way data binding with the outside world and a custom directive we created; this example in many ways mirrored the behavior that ng-bind, itself, provides. Review that chapter and practice the example to gain a greater understanding of this important concept. Transclude transclude is optional.

Transclusion is most often used for creating reusable widgets. A great example is a modal box or a navbar. Transclude allows us to pass in an entire template, including its scope, to a directive. Doing so gives us the opportunity to pass in arbitrary content and arbitrary scope to a directive.

If the scope option is not set, then the scope available inside the directive will be applied to the template passed in. Only use transclude: true when you want to create a directive that wraps arbitrary content. Transclusion makes it easy to allow users of our directive to customize all these aspects at once by allowing them to provide their own HTML template that has its own state and behavior.

We can reuse this directive with the transclusion to provide a secondary element without needing to worry about the styles and the layout. Directives Explained Controller string function The controller option takes a string or a function. When set to a string, the name of the string is used to look up a controller constructor function registered elsewhere in our application: angular.

This transclude linking function is the function that will run to actually create a clone of the element and manipulate the DOM. It goes against the Angular Way to manipulate the DOM inside of a controller, but it is possible through the linking function.

It is a best practice to only use this transcludeFn inside the compile option. The main use case for a controller is when we want to provide reusable behavior between directives. As the link function is only available inside the current directive, any behavior defined within is not shareable.

Directives Explained The link function provides isolation between directives, while the controller defines shareable behavior. Because a directive can require the controller of another directive, however, controllers are a great place to place actions we may want to use in more than one directive. Using the controller option is good when we want to expose an API to other directives; otherwise, we can rely on link to provide us local functionality for the directive element.

Use the scope argument passed into the link function when expecting to interact with the instance of the scope on screen. ControllerAs string The controllerAs option enables us to set a controller alias, thus allowing us to publish our controller under this name and giving the scope access to the controllerAs name.

That power allows us to create dynamic objects as controllers that are isolated and easy to test. For instance, we can create an anonymous controller in a directive, like so: angular. The string s contain the name of another directive. The string or strings if it is an array provided are the names of directives that reside in the current scope of the current directive.

The scope setting will affect what the surrounding scope refers to, be it an isolate scope, an independent scope, or no scope at all. In all cases, the Angular compiler will consult the template of the current directive when looking for child controllers. If the required controller is not found on the directive provided, pass null to the 4th argument of the link function.

Technically, we need to have a controller associated with anything we put in the require option. How does this magic take place, and what do we need to know in order to build effective applications? There are two main phases that take place. Directives Explained Compile Phase The first is called the compile phase. Each directive can have a template that may contain directives, which may have their own templates.

When Angular invokes a directive in the root HTML document, it will traverse the template for that directive, which itself may contain directives, each with its own template. This tree of templates can go arbitrarily deep and wide, but there is one caveat.

The practical advice here is to separate directives that contain templates from those that add behavior. Never further decorate an element with another directive if that element already has a directive that brings its own template. Only the template of the directive with the highest priority will have its template compiled. Once a directive and its child templates have been walked or compiled, a function is returned for the compiled template known as the template function.

Before the template function for a directive is returned, however, we have the opportunity to modify the compiled DOM tree. During this phase, built-in directives, such as ng-repeat and ng-transclude, take advantage of this fact and manipulate the DOM before it has been bound to any scope data. Once we have compiled a complete representation of a single directive, we momentarily have access to it via the compile function, whose method signature includes access to the element where the directive was declared tElement and other attributes provided to that element tAttrs.

This compile function returns the template function mentioned above , which includes the entire parsed tree. The main takeaway here is that because each directive may have its own template and its own compile function, each directive returns its own template function. Finally, the template function is passed to the link function, where scope, determined by the directive definition rules of each directive in the compiled DOM tree, is applied all at once. This compile then link process provides our applications with huge performance gains.

Compile object function The compile option can return an object or a function. The compile option by itself is not explicitly used very often; however, the link function is used very often. Here, it is safe to manipulate HTML, add and remove elements, etc. The compile option and the link option are mutually exclusive. If both are set, then the compile option will be expected to return the link function, while the link option will simply be ignored. The template instance and link instance may be different objects if the template has been cloned.

The link function deals with linking scope to the DOM. In practice, this manipulation is rather rare when writing custom directives, but there are a few built-in directives that take advantage of this functionality. Understanding the process will help us understand how Angular actually works.

Link We use the link option to create a directive that manipulates the DOM. The link function is optional. If the compile function is defined, it returns the link function; therefore, the compile function will overwrite the link function when both are defined. When doing so, this function will be the link function. These two definitions of the directive are functionally equal: angular.

In essence, this fact describes precisely what the link function is responsible for. It is invoked after the compiled template has been linked to the scope, and is therefore responsible for setting up event listeners, watching for data changes, and manipulating the live DOM. The link function has control over the live data-bound DOM, and, as such, performance con- siderations should be taken into account. Review the section on the life cycle of a directive for more information on performance concerns when choosing to implement something in the compile function versus the link function.

We should only manipulate children of this element in the postLink function, since the children have already been linked. These are passed as JavaScript objects. If there is no require option defined, then this controller argument is set as undefined. The controller is shared among all directives, which allows the directives to use the controllers as a communication channel public API. If multiple requires are set, then this will be an array of controller instances, rather than just a single controller.

The ngModel controller, which is injected along with ngModel when we use it in our directive, contains several methods. Notice that this directive does not have an isolated scope. If we do set the directive to have the isolate scope, then the ngModel value will not update the outer ngModel value: Angular looks up this value outside of the local scope.

In order to set the view value of a scope, we must call the API function ngModel. We should apply this method only sparingly, as it can be disruptive to the Angular Way: angular. These are used to sanitize and modify the value. We have described how the validation pipeline works, at a basic level. These functions do not need to return a value, as they are ignored. It will be true if there are no errors and false if there are. Angular Module Loading Angular modules, themselves, have the opportunity to configure themselves before the module actually bootstraps and starts to run.

We can apply different sets of logic during the bootstrap phase of the app. Configuration Angular executes blocks of configuration during the provider registration and configuration phases in the bootstrapping of the module. This phase is the only part of the Angular flow that may be modified before the app starts up. For instance, when we create a factory or a directive on top of the module: angular. That is to say that we cannot inject a provider that has not yet been defined. The only exception to the rule of in-order definitions is the constant method.

We always place these at the beginning of all configuration blocks. If we inject any old service into a. The by-product of this strict requirement for configurable services is that we can only inject custom services that are built with the provider syntax and cannot inject other services. For more information on how to build with the provider syntax, head over to the services chapter.

We can also define multiple configuration blocks, which are executed in order and allow us to focus our configuration in the different phases of the app. Angular Module Loading angular. Run Blocks Unlike the configuration blocks, run blocks are executed after the injector is created and are the first methods that are executed in any Angular app.

Run blocks are the closest thing in Angular to the main method. The run block is code that is typically hard to unit test and is related to the general app. The only logical place to set this functionality is in the run method: angular. Multiple Views and Routing In a single-page app, navigating from one page view to another is crucial. When apps grow more and more complex, we need a way to manage the screens that a user will see as they navigate their way through the app.

We can already support such management by including template code in line in the main HTML, but not only will this in-line code grow large and unmanageable, it will also make it difficult to allow other developers to join in development. Rather than including multiple templates in the view which we could do with the ng-include directive , we can break out the view into a layout and template views and only show the view we want to show based upon the URL the user is currently accessing.

Installation As of version 1. In order to use routes in our Angular app, we need to install and reference it in our app. We can download it from code. We can also install it using Bower, which will place it in our usual Bower directory. For more information about Bower, see the Bower chapter.

Using the ng-view directive in combination with the router, we can specify exactly where in the DOM we want to place the rendered template of the current route. It creates its own scope and nests the template inside of it. The ng-view directive is a terminal directive at a priority.

Angular will not run any directives on the element at a lower priority, which is most directives i. To create a route on a specific module or app, we use the config function. For more information on this syntax, check out the dependency injection chapter. Now, to add a specific route, we can use the when method. This method takes two parameters when path, route.

This block shows how can create a single route: angular. Trailing or double slashes will still work. We can store parameters in the URL by starting off the name with a colon for instance, :name. The second parameter is the configuration object, which determines exactly what to do if the route in the first parameter is matched. The configuration object properties that we can set are controller, template, templateURL, resolve, redirectTo, and reloadOnSearch.

A more complex routing scenario requires multiple routes and a catch-all that redirects a route. Multiple Views and Routing angular. If we pass a string, it associates the registered controller on the module with the new route. If we pass a function, this function will be associated with the template as the controller for the DOM element.

The data key of the map above will be injected into our controller, so it can be retrieved in the controller. If the redirectTo property is set with a function, the result of the function will be set as the value of the new path, triggering a route-change request. This tip is useful for nested routing or in-place pagination, etc. Now we can set up our routes using the when function. If no route matches, then the otherwise method will be called.

When the browser loads the Angular app, it will default to the URL set as the default route. It also gives you the ability to change paths and deal with any sort of navigation. Doing so returns the location object. A hash object might contain an array of values as well. If the value is null, then the parameter will be removed. The routing mode determines what the URL of your site will look like.

In hashbang mode the fallback for html5 mode , URL paths take a prepended character. This prefix is part of the fallback mechanism that Angular uses for older browsers. We can also configure this character. To configure the hashPrefix: angular. In a modern browser, it will see the URL as it was intended. The back-end server will have to support URL rewriting on the server side. To support HTML5 mode, the server will have to make sure to deliver the index.

That ensures that our Angular app will handle the route. This functionality is useful particularly when you want to manipulate events based upon routes and is particularly useful for detecting when users are logged in and authenticated. We need to set up an event listener to listen for routing events.

This step is where the route services begin to resolve all of the dependencies necessary for the route change to happen and where templates and the resolve keys are resolved. Note About Indexing Web crawlers traditionally have a hard time with fat client-side JavaScript apps. To support web crawlers that run through the app, we need to add a meta tag in the head. This meta tag causes the crawler to request links with an empty escaped fragment parameter so that the back end will serve back snippets of HTML.

Dependency Injection In general, there are only three ways an object can get a hold of its dependencies: 1. We can create it internally to the dependent.

We can look it up or refer to it as a global variable. Dependency injection is a design pattern that allows for the removal of hard-coded dependencies, thus making it possible to remove or change them at run time. This ability to modify dependencies at run time allows us to create isolated environments that are ideal for testing. We can replace real objects in production environments with mocked ones for testing environments.

Functionally, the pattern injects depended-upon resources into the destination when needed by auto- matically looking up the dependency in advance and providing the destination for the dependency. As we write components dependent upon other objects or libraries, we will describe its dependencies.

At run time, an injector will create instances of the dependencies and pass them along to the dependent consumer. When any of our modules boot up at run time, the injector is responsible for actually instantiating the instance of the object and passing in any of its required dependencies.

For instance, this simple app declares a single module and a single controller, like so: angular. AngularJS uses an annotate function to pull properties off of the passed-in array during instantia- tion.

Annotation by Inference Angular assumes that the function parameter names are the names of the dependencies, if not otherwise specified. The injection process looks like: injector. JavaScript minifiers generally change function arguments to the minimum number of characters along with changing white spaces, removing new lines and comments, etc. If we do not explicitly describe the arguments, Angular will not be able to infer the arguments and thus the required injectable. Explicit Annotation Angular provides a method for us to explicitly define the dependencies that a function needs upon invocation.

This method allows for minifiers to rename the function parameters and still be able to inject the proper services into the function. This method of injection does work with minification, because the annotation information will be packaged with the function.

Inline Annotation The last method of annotation that Angular provides out of the box is the inline annotation. Additionally it affords us the ability to not use a temporary variable in the definition.

Inline annotation allows us to pass an array of arguments instead of a function when defining an Angular object. The elements inside this array are the list of injectable dependencies as strings, the last argument being the function definition of the object. We often refer this method as the bracket or array notation [].

The annotate function is used by the injector to determine which services will be injected into the function at invocation time.

The annotate method returns a single array of the names of services that will be injected into the function at the time of invocation. Dependency Injection has The has method returns true if the injector knows that a service exists in its registry and false if it does not. It takes a constructor and invokes the new operator with all of the arguments specified. The instantiate method returns a new instance of Type.

The arguments for the function are set with the function annotation. The invoke method returns the value that the fn function returns. In production, however, it is often less convenient to explicitly concern ourselves with order of arguments and code bloat.

The ngMin tool allows us to alleviate the responsibility to define our dependencies explicitly. It walks through our Angular apps and sets up dependency injection for us. For instance, it will turn this code: angular. If we are using Rails, we can use the Ruby gem ngmin-rails. With the help of astral, an AST tooling framework, it rebuilds the source with the necessary annotations and then dumps the updated source using escodegen.

If our code uses syntax similar to the code used in this book, ngMin will be able to parse the source and pre-minify it. For memory and performance purposes, controllers are instantiated only when they are needed and discarded when they are not.

That means that every time we switch a route or reload a view, the current controller gets cleaned up by Angular. Services provide a method for us to keep data around for the lifetime of the app and communicate across controllers in a consistent manner.

They provide an interface to keep together those methods that relate to a specific function. It will also be useful to make our own services for any decently complex application. AngularJS makes it very easy to create our own services: All we need to do is register the service.

Once a service is registered, the Angular compiler can reference it and load it as a dependency for runtime use. The name registry makes it easy to isolate application dependencies for mocks and stubbing in our tests. The most common and flexible way to create a service uses the angular. This service factory function is responsible for generating a single object or function that becomes this service, which will exist for the lifetime of the app.

When our Angular app loads the service, the service will execute this function and hold on to the returned value as the singleton service object.

To expose a method on our service, we can place it as an attribute on the service object. At run time, Angular will take care of instantiating it and resolving dependencies like normal. To inject the service in the controller, we pass the name as an argument to the controller function. Become and Angular 11 expert today. One tutorial says one thing and another says something completely different. Some teach the basics, but why is there nothing that shows how to fit all the pieces together?

There are not many good screencasts or tutorials out there that teach how to maximize the framework. The vocabulary is foreign, how is a directive component different from a bare component? How am I supposed to update my page with one-way data binding? Do I have to learn annotations, strong-typing, and a whole new language just to use Angular now?

Angular 11 has a whole new model of writing apps. How can you know how it all fits together? You still have a job to do and stopping to learn Angular 11 seems like a risky use of time.

There are several new forms of syntax you'll need to learn to use Angular effectively and we teach all of them in the book. Mouse over the red dots below to see each form explained. One-way data binding means we fire events instead of modifying data directly. TypeScript lets us define collections that contain our custom type Product. What if you could master the entire framework — with solid foundations — in less time without beating your head against a wall?

Imagine how quickly you could work if you knew the best practices and the best tools? Stop wasting your time searching and have everything you need to be productive in one, well-organized place, with complete examples to get your project up without needing to resort to endless hours of research.

You will learn what you need to know to work professionally with ng-book: The Complete Book on Angular 11 or get your money back.

Each chapter covers a topic and we provide full code examples for every project in the book. The first chapter opens with building your first Angular 11 App. Within the first few minutes, you'll know enough to start writing your Angular 11 app. The book is constantly updated with the latest tips and tricks of Angular.

Don't worry about being out-of-date, this book covers the latest release of Angular angular Learn Angular 11 best practices, such as: testing, code organization, and how to structure your app for performance. We'll walk through practical, common examples of how to implement complete components of your applications. You'll learn core Angular 11 concepts - from how Angular works under the hood, to rich interactive components, from in-depth testing to real-world applications.

When you buy ng-book, you're not buying just a book, but dozens of code examples. Every chapter in the book comes with a complete project that uses the concepts in the chapter. Learn the basics of component-based architecture, rendering dynamic components, and capturing user input and turning it into interaction. Use modern data architectures such as RxJS Observables and Redux to build a chat application, built on scalable techniques. Use Angular's Router to create a multi-page application.

Use advanced features for maximum control of your components. We'll build a tab-pane, a custom repeater component, template "transclusion" and more. Build powerful forms that accept user input, and give clear messaging when the input is of an invalid format. There are lots of more mini-examples that show you how to write Components, how to use Forms, and how to use APIs. You'll have your first app running and deployed within the first chapter, and then the rest of the book dives deeper into the other areas of Angular.

Premium Package customers receive a 4-hour screencast where we walk through building large application. Grab a sample chapter and check it out for yourself. Sign up for our mailing list and get the sample chapters for free!

You'll only receive email about the book and updates.