Название: Coding Languages: Angular With Typescript, Machine Learning With Python And React jаvascript
Автор: Richie Miller
Издательство: Pastor Publishing Ltd
Год: 2023
Страниц: 371
Язык: английский
Формат: pdf, epub
Размер: 22.4 MB

If you want to discover how to use Angular, Python for Machine Learning or React jаvascript, this book is for you!

Angular is a framework for building web applications, both large and small. With Angular, you can build a website, or you can build a product management and inventory application. This book provides the basics you need to get started building an Angular application. As we journey through this book, we'll discover Angular's many features and uncover the answers to key questions; questions like what is a component, where do we put the HTML for our user interface, when should we use data binding, why do we need a service, and how do we build an Angular application? This book guides you down the right path, making your own journey with Angular more pleasant and productive. Angular is a jаvascript framework for building applications. These are applications that run entirely in the user's browser. We use techniques we already know including HTML and CSS to build the user interface, and we write our code in TypeScript, which is an enhanced version of jаvascript.

Why Angular and not some other jаvascript framework? Well, there are a lot of other jаvascript frameworks out there, but Angular makes our HTML more expressive. We can embed features, such as if conditions, for loops, and local variables, directly into our HTML. Angular has powerful data binding that lets us connect data directly to our UI. Angular promotes modularity. We build our applications as a set of building blocks, making it easier to create and reuse content. Angular has also support for communication with a server. This makes it easy for our web applications to get and post data or execute business logic. No wonder Angular is so popular with millions of web developers.

First, we examine the basic anatomy of an Angular application and dissect an Angular component. Then, we gear up for success by walking through the prerequisites and tips for getting the most from this book. We introduce the sample application that we'll build throughout the book, and we browse the roadmap of the Angular features we cover in this book. Now let's check out the anatomy of an Angular application. In Angular, an application is comprised of a set of components and services that provide functionality across those components, services such as accessing data from a server, performing tax calculations, or standard logging or exception handling. The next question is, what is an Angular component? Each component has a template, which is the HTML defining a view for the application. Everything we want to display to the user is defined in a template. Think of a template as your application's user interface, or UI. Add to that a class for the code associated with a view. The class contains the properties, or data elements, available for binding to the view and methods which perform actions for the view, such as responding to a button click. Think of a component class as the code behind your user interface. The property variables hold the data to display in your UI. The methods define any logic or operations. A component also has metadata, which provides additional information about the component to Angular. As its name implies, metadata is simply extra data about a component, so a component has a UI defined with a template, associated code defined with a class, and additional information defined with metadata. If these terms remain a little abstract at this point, just hang on.

In the coming chapters, we'll revisit the terms, build a template with HTML, write code for a class with TypeScript, and specify the component metadata. For now, let's look at some tips for getting the most from this book. First, let's talk about the prerequisites. This is a book, but this book assumes you have some basic knowledge of jаvascript for code, HTML for building a user interface, and Cascading Style Sheets, or CSS for styling. You don't have to have much experience, but a working knowledge of each will help you get the most from this book. Though not required, it is helpful if you've had some exposure to programming concepts, maybe through coding with C++, C#, Java, or PHP. But if you don't have any exposure to OOP, that's okay. You do not need any prior knowledge of Angular or TypeScript. We'll cover what you need in this book. When building web applications, regardless of the technologies we use, there are often lots of steps and places where things can go wrong. That's when a good checklist can come in. Coding along on this journey is another great way to get the most from this book. Though not required, it's often helpful to try out the presented code. An Angular application is comprised of a set of components and services that provide data and logic across those components. With that in mind, let's break the sample application into components and services. For the Welcome page, we'll build a welcome component. For the Product List page, we build a product list component. Basically, we build a component for every web page, such as our Welcome page and Product List page, and we build a component for any reusable UI elements. We might build a reusable search component with the text box and search button or maybe a password confirm password component with text boxes and validation logic. We can then reuse these components within our other components.

3 Books in 1 Bundle!

· BOOK 1: Angular framework essentials - open source web app development using Angular & Typescript

· BOOK 2: Python Machine Learning - algorithm design & practical code execution

· BOOK 3: React jаvascript vulnerabilities - constructing secure ReactJS code