Angular 7 is an open-source JavaScript framework for creating online applications and apps in JavaScript, HTML, and Typescript, a superset of JavaScript. Angular comes with built-in features for animation, HTTP service, and materials, which in turn offer capabilities like auto-complete, navigation, toolbar, menus, etc. The code is written in Typescript, which is converted to JavaScript and seen in the browser.

For students and working professionals who want to excel as software engineers, especially those in the software development field, Angular 7 is a MUST. This comes with benefits such as:

• The most reliable and widely used javascript-based platform nowadays is angular.
• After studying Angular at a firm, you can fill the following responsibilities. Angular development is a comprehensive suite for:
  • application development.
  • web programmer
  • Web app creator
  • UI programmer
  • UX designer
  • Front-end programmer
  • JavaScript programmer

Applications of Angular 7

One of the most popular languages on the web, Angular 7, is used in applications like:

• Google Supported Community – Google actively encourages the growth of Angular. Many Google Apps make use of Angular.
• Angular mainly utilizes Plain Old JavaScript Object (POJO)-based programming, which makes learning Angular simpler.
• Declarative User Interface (DUI): Angular expands the capability of HTML by using it as the view language. It aids in UI vs. code distinction and UI/code coupling is handled.
• Typescript – A superset of javascript that is simple to debug. It is object-oriented and extremely safe.
• Structure: Angular development has a very modular, component-based, and maintainable structure.
• Support for several platforms – The Angular code runs smoothly on all platforms with few coding changes.

Who can learn Angular 7?

Due to its capacity to create websites with a smooth user interface and experience, Angular web development is preferred by many enterprises. Diverse Angular developer skills are consistently needed when it comes to front-end web development. One needs to gain many abilities in various programming areas and use them at the appropriate time and place to become a great Angular developer. 

However, the developer must first have practical Angular programming knowledge and thorough exposure to the Angular framework. generating forms, modules, components, and services are among the cornerstones of application development. The developer is prepared to offer excellent solutions or create stunning apps using this experience.

Major Angular Developer Skills

1. Node Package Manager (NPM)

Installing various client-side web development packages is one of the essential tools that any web developer must have. It serves as the main tool for installing Angular as well. Consequently, understanding how to install several npm packages is one of the requirements (including non-Angular packages).

2. Angular CLI

It is the most widely used package and most likely the first one you will install using NPM. When you wish to write code to set up your project, using the Angular CLI (Command Line Interface) simplifies the process. It guarantees that your software will follow industry-accepted best practices.

Other advantages include saving time, altering the current app, and getting error-free working code through Angular CLI. Because of this, it is regarded as one of the fundamental abilities of an Angular developer.

3. HTML and CSS

Because HTML and CSS are the building blocks of web development, it is essential for an Angular developer to be familiar with or have expertise using both of these languages. This information enables the developer to create web apps more quickly. The fundamental building pieces for creating a useful web app are provided by Angular. 

However, one must use HTML and CSS to render it in the browser. With the aid of style libraries like Angular and others, you can design stunning user interfaces, but the basics will help you get farther in order to make the change. Additionally, Angular includes a JS console, the greatest browser developer tool for editing HTML and CSS and seeing a live preview of the changes.

4. Javascript

It is a front-end developer’s main tool. While javascript handles the function, the aforementioned HTML and CSS are intended to customize the page’s interface or appearance. For example, if you want to create a unique app or website with numerous features for your company or a customer, such as audio, videos, high-quality animation, and others. To create all of these interactive elements, you require the assistance of the js tool.

5. Typescript

The majority of client-side front-end web apps are typically developed in Javascript. The superset of Javascript called Typescript allows you to type in error-free code. For writing code, developers should use Typescript, especially when making applications. Because of its robust typing, ability to refactor the code, and excellent performance when it comes to developing huge business applications, Typescript may actually increase the team’s productivity.

6. RxJS

Even though RxJS is the reactive programming library, the Angular framework already includes it. The library contains observable streams that you may use to carry out typical activities like HTTP data requests and other asynchronous tasks.

7. Responsive design

The rise of the digital era has led to the use of the web in various devices besides laptops and PCs. Therefore, it is crucial to create web apps that work effectively across all platforms, including tablets, smartphones, watches, and more. Nowadays, a front-end developer must have a solid knowledge of responsive web development.

8. Version Control/Git

One of the finest techniques for preserving your process is this. The practice of monitoring and managing source code modifications is known as version control. Working without source control, especially when creating straightforward apps, is dangerous. Similar to typescript, which enables code refactoring, Git enables you to test new features and coding approaches. You can go back to the prior functioning version of your code if you are experimenting with a portion of it and it fails. 

Angular Developer: Job Responsibilities

Angular developers have a lot to consider, including a variety of duties like:

• Supplying a fully functional front-end application
• Ensuring that the program performs well on all platforms, including desktop and mobile.
• Creating JavaScript, HTML, and CSS components that are tried-and-true, idiomatic, and documented.
• coordinating the workflow of the HTML programmer, graphic designer, and Angular developers.
• Collaborating with the back-end programmers while the RESTful API is being built.
• Maintaining constant contact with external online services.

Salary of Angular Developer:

The benefits are excellent for Angular developers. According to Payscale, the typical Angular developer pay in the US is $72,348 per year. The average Angular front-end developer income in India, according to Glassdoor, is Rs. 553,610.

Top Companies

The top companies hiring angular developers include:

• Infosys
• Zenya
• L&T
• DXC Technology
• Deloitte
• Maruti Suzuki

Future Scope

Between 2016 and 2026, the demand for Angular developers is expected to increase by around 31%, which is higher than the market’s need for developers of general-purpose software.

Throughout its existence, Angular has seen many stages of acceptability. It has gone from being the darling of web developers to being reviled, just to find its way back into popularity, but not to the same degree as its former glory. Despite this, Angular continues to be quite popular and consistently ranks in the top five of lists of the best frameworks.

This comeback speaks to the quality of Angular developers. It’s obvious that this age-old structure still has a lot to offer, and this has led to consistent demand across a variety of sectors.

Top Angular 7 Sample Questions

Which of the following is correct about TypeScript?

A) Angular is based on TypeScript.
B) This is a superset of JavaScript.
C) TypeScript is maintained by Microsoft.
D) All of the above.

Answer: Option D

Which angular decorator allows us to define the pipe name that is globally available for use in any template in the across application?

A) pipeName
B) pipeDeco
C) Pipe
D) None of the above

Correct Answer: Option (C)

RxJS can be used for?

A) Browser
B) Server Side
C) Both
D) None of the above

Answer: Option (C)

Router is part of which of the following module?

A) @angular/core
B) @angular/router
C) Both
D) None of the above

Correct Answer: Option (B)

What does AOT stand for?

A) Ahead-Of-Time Compilation
B) Angular Object Templates
C) Both
D) None of above

Correct Answer: Option (A)

Top Angular 7 Interview Questions

1. Define Angular 7. Explain why it is different from AngularJS?

The most recent version of Angular is called Angular7. The original version of Angular, commonly referred to as Angular 1.0, was AngularJS. Angular1.0 has been entirely rewritten in Angular7. Other features include ng update, ng add, Angular Elements, Angular Material + CDK Components, Angular Material Starter Components, CLI Workspaces, Library Support, Tree Shakable Providers, Animations Performance Improvements, and RxJS v6. It also supports two-way data binding.

2. Explain the Angular framework.

A platform and open-source web framework built on TypeScript is called Angular. It is utilized to create desktop, mobile, and online apps.

3. Differentiate between AngularJS and Angular.

AngularJS has been entirely rewritten in Angular. An application in this framework is a tree of separate components since it is component-based.

4. Differentiate between structural directive and attribute directive in Angular 7.

The DOM layout may be changed using structural directives by deleting and adding DOM components. These instructions work much better at altering the view’s structure. NgFor and Nglf are two examples of structural instructions. Elements’ attributes are defined through attribute directives. An attribute directive is something like a built-in NgStyle from the Template Syntax reference.

5. What are the steps to update Angular 6 to Angular 7?

You can update Angular 6 to Angular 7 by using the following command:

ng update @angular/cli @angular/core   

6. Explain UrlSegment Interface in Angular 7.

In Angular 7, the UrlSegment interface represents a single URL segment, constructor, properties, and methods like this:

class UrlSegment {  

constructor(path: string, parameters: {…})  

path: string  

parameters: {…}  

toString(): string  

}  

A route and matrix parameters specific to the segment are contained in the UrlSegment, which is a piece of a URL between the two slashes.