Wissen Technology Software Developer Interview Questions and Answers for Experienced

Q1. Simple technical interview
Add your answer
Q2. Difference between html and html5, flexbox,
Ans. 
HTML is the standard markup language for creating web pages, while HTML5 is the latest version with new features. Flexbox is a layout model for designing responsive websites.
• HTML is the standard markup language used to create web pages.

• HTML5 is the latest version of HTML with new features like <video>, <audio>, and <canvas> elements.

• Flexbox is a layout model in CSS that allows for easier alignment and...read more
Answered by AI
View 1 more answer
Q3. What is dependency injection
Ans. 
Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.
• Dependency injection helps to decouple components and make them more modular and testable.

• It allows for easier maintenance and scalability of code.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of creating a database c...read more
Answered by AI
Add your answer

Q1. What is bootstrap,
Ans. 
Bootstrap is a popular front-end framework for building responsive websites and web applications.
• Bootstrap provides pre-designed HTML, CSS, and JavaScript components that can be easily customized and integrated into a project.

• It includes a responsive grid system for creating layouts that adapt to different screen sizes.

• Bootstrap also offers built-in support for popular web development tools like Sass and jQuery.

• Example...read more
Answered by AI
Add your answer
Q2. Service,dependency injection, flexbod, box model,component
Add your answer

Q1. What is closure
Ans. 
Closure is a function that has access to its own scope, as well as the scope in which it was defined.
• Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

• It helps in maintaining state in functional programming.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar); }; }
Answered by AI
Add your answer
Q2. What are life cycle hooks in angular
Ans. 
Life cycle hooks in Angular are functions that allow you to tap into the lifecycle of a component or directive.
• Life cycle hooks are methods that are called at specific points in the life cycle of a component or directive.

• They allow you to perform actions at key points, such as when the component is created, rendered, or destroyed.

• Examples of life cycle hooks include ngOnInit, ngOnChanges, ngOnDestroy, etc.
Answered by AI
Add your answer

Q1. Promise and async await difference
Ans. 
Promises are objects representing the eventual completion or failure of an asynchronous operation, while async/await is a syntactic sugar for working with promises.
• Promises are used for handling asynchronous operations and provide a way to chain multiple asynchronous operations together.

• Async/await is a newer syntax that makes working with promises easier by allowing you to write asynchronous code that looks synchronou...read more
Answered by AI
Add your answer
Q2. Array questions
Add your answer

String manipulation question asked

Q1. Basic question on node js and nestjs with experience
Add your answer