Supra Controls Angular Developer Interview Questions and Answers

Q1. Javascript Basics
Add your answer
Q2. Angular Questions
Add your answer

Q1. About me and my company
Add your answer
Q2. JS & Angular Basics
Add your answer
Q3. About Projects in my resume.
Add your answer

Q1. Tell me about your experience.
Ans. 
I have 5 years of experience in developing web applications using Angular.
• Developed responsive web applications using Angular framework

• Implemented RESTful APIs to fetch and update data

• Worked on optimizing performance and improving user experience

• Collaborated with UI/UX designers to create visually appealing interfaces
Answered by AI
Add your answer
Q2. What is directive
Ans. 
A directive in Angular is a class with a @Directive decorator that allows you to attach behavior to elements in the DOM.
• Directives are used to manipulate the DOM, add behavior to elements, and create reusable components.

• There are three types of directives in Angular: Component, Structural, and Attribute directives.

• Examples of directives include ngIf, ngFor, and ngStyle.
Answered by AI
Add your answer

Q1. How do you implement a login page
Ans. 
Implementing a login page involves creating a form for users to input their credentials and validating them against a database.
• Create a login form with fields for username and password

• Use Angular's form validation to ensure required fields are filled out

• Send the user's credentials to a backend server for authentication

• Upon successful authentication, redirect the user to the main application page
Answered by AI
Add your answer

Q1. How would you share data between two unrelated angular components
Ans. 
Using a shared service to communicate data between unrelated components in Angular.
• Create a shared service with a BehaviorSubject to store and emit data

• Inject the shared service into both components that need to share data

• Subscribe to the BehaviorSubject in each component to receive updates
Answered by AI
Add your answer
Q2. How do we do lazy loading
Ans. 
Lazy loading in Angular allows for loading modules only when they are needed, improving performance.
• Lazy loading is achieved by using the loadChildren property in the route configuration.

• Modules are loaded asynchronously when the user navigates to a route that requires them.

• Lazy loading helps reduce the initial bundle size and improve the app's loading time.

• Example: { path: 'admin', loadChildren: () => import('./admin/
Answered by AI
Add your answer
Q3. How would you take care of XSS vulnerability
Ans. 
Prevent XSS vulnerability by sanitizing user input, using Angular's built-in security features, and implementing Content Security Policy.
• Sanitize user input by using Angular's DomSanitizer to prevent execution of malicious scripts

• Use Angular's built-in security features like SafeValue and SafeHtml to securely render user input

• Implement Content Security Policy (CSP) to restrict the sources from which scripts can be load...read more
Answered by AI
Add your answer
Q4. How do you take data from more than one service at a time in a component
Ans. 
Use observables and combineLatest operator to fetch data from multiple services in a component
• Create observables for each service call

• Use combineLatest operator to combine the observables and fetch data from all services at once

• Subscribe to the combined observable to get the data
Answered by AI
Add your answer

Q1. Angular lifecycle
Add your answer
Q2. Pipes
Add your answer

Q1. Building blocks of angular
Ans. 
Building blocks of Angular include components, modules, services, directives, templates, and dependency injection.
• Components are the basic building blocks of Angular applications.

• Modules help organize the application into cohesive blocks of functionality.

• Services are reusable code that can be injected into components.

• Directives add behavior to the DOM elements.

• Templates define the view of the application.

• Dependency inj...read more
Answered by AI
Add your answer
Q2. Define Pipes and its types
Ans. 
Pipes in Angular are used to transform data before displaying it in the view.
• Pipes are used to format data in templates.

• There are built-in pipes like DatePipe, UpperCasePipe, LowerCasePipe, etc.

• Custom pipes can be created using @Pipe decorator.

• Pipes can be chained together for complex transformations.

• Example: {{ birthday | date:'dd/MM/yyyy' }} will format the birthday date.
Answered by AI
Add your answer

Q1. Life cycle hooks, migration plan, features remived in html5
Add your answer

Q1. Agile methodology
Add your answer

Q1. Hooks, Parent-child communication, javascript questions like closure
Add your answer

Javascript simple coding test, writing services

Q1. Nothing much, salary discussion
Add your answer