ClariTech solutions Angular Frontend Developer Interview Questions and Answers

Q1. Difference between position absolute and relative in css
Ans. 
Position absolute removes element from normal flow, relative keeps element in flow but can be positioned.
• Position absolute removes element from normal flow, allowing it to be positioned relative to its closest positioned ancestor.

• Position relative keeps element in normal flow but allows it to be positioned relative to its normal position.

• Position absolute elements are not affected by other elements and can overlap, whi...read more
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Q1. Deep questions about angular and javascript basics
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Q1. Basic angular questions
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Q2. Scenario based questions
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Q3. NgRx related questions
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Q1. Create a reactive form and save data in API with proper validation?
Ans. 
Create a reactive form in Angular to save data in API with validation
• Create a reactive form using FormBuilder in Angular

• Add form controls with proper validation rules using Validators

• Handle form submission and send data to API using HttpClient

• Implement error handling for API requests

• Display success or error messages to the user
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Q2. What is Auth-gaurd?
Ans. 
Auth-guard is a feature in Angular that controls access to routes based on user authentication status.
• Auth-guards are used to protect routes in Angular applications by checking if a user is authenticated before allowing access.

• They can be implemented using canActivate interface in Angular.

• Auth-guards can redirect unauthenticated users to a login page or display an error message.

• They are commonly used in applications wi...read more
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Q3. How many ways we can communicate in Angular component?
Ans. 
There are multiple ways to communicate in Angular components, including Input, Output, ViewChild, and Services.
• Input - parent component can pass data to child component using @Input decorator

• Output - child component can emit events to parent component using @Output decorator

• ViewChild - parent component can access child component using @ViewChild decorator

• Services - components can communicate through shared services
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Q4. Find longest word from string in JS?
Ans. 
Use JavaScript to find the longest word in a string.
• Split the string into an array of words using split() method.

• Iterate through the array and compare the length of each word to find the longest one.

• Return the longest word found.
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Q1. Your Career Journey?
Ans. 
I started my career as a web developer, specializing in frontend technologies like Angular. I have worked on various projects and gained valuable experience.
• Started career as web developer

• Specialized in frontend technologies like Angular

• Worked on various projects

• Gained valuable experience
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Q2. Your experties?
Ans. 
I have expertise in developing Angular frontend applications with strong knowledge of TypeScript, HTML, CSS, and Angular frameworks.
• Strong knowledge of TypeScript, HTML, and CSS

• Experience in developing Angular frontend applications

• Familiarity with Angular frameworks like AngularJS, Angular 2+, Angular Material

• Understanding of reactive programming and observables in Angular

• Knowledge of state management with tools like N
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In aptitude the interviewer asked for our skills of knowledge and reasoning questions

In this discussion group asking for some practical questions DSA like this

Q1. Why should we hire you
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Q2. Tell me about your previous job
Ans. 
I worked as a frontend developer at a software company, focusing on Angular development.
• Developed responsive web applications using Angular framework

• Collaborated with backend developers to integrate APIs and services

• Implemented new features and fixed bugs based on client requirements

• Participated in code reviews and testing processes

• Attended regular team meetings to discuss project progress
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Q3. Why are you changing your current job
Ans. 
Seeking new challenges and growth opportunities in a more innovative environment.
• Looking for new challenges and opportunities for growth

• Interested in working in a more innovative environment

• Seeking a better work-life balance
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Q4. Tell me about previous organization
Ans. 
I worked at a software development company specializing in e-commerce solutions.
• Developed frontend applications using Angular framework

• Collaborated with backend developers to integrate APIs

• Participated in code reviews and testing processes
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Q5. Tell me about your challenging task did you face
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Q1. Angular topics, routes, pipes
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Q2. Scenario based questions
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Q1. Salary discussion
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Q2. Return to office
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Q1. What are the time queue, etc in API
Ans. 
Time queue in API refers to managing requests in a sequential order.
• Time queue ensures that API requests are processed in the order they are received.

• It helps in preventing overload on the server by limiting the number of concurrent requests.

• Examples include using promises or async/await in JavaScript to handle API calls sequentially.
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Q2. What is the meaning of preflight in API? (All questions are related to dev oops profile. I applied for Angular)
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Q1. Closure in Java script
Ans. 
Closure in JavaScript allows a function to access variables from its outer scope even after the function has finished executing.
• Closure is created when a function is defined within another function and the inner function references variables from the outer function.

• The inner function maintains a reference to the outer function's scope even after the outer function has finished executing.

• Closures are commonly used in ev...read more
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