NeoSOFT Angular Frontend Developer Interview Questions, Process, and Tips

Q1. What are AOT and JIT in Angular?
Ans. 
AOT and JIT are compilation techniques in Angular.
• AOT (Ahead-of-Time) compilation is done at build time, converting TypeScript and HTML code into efficient JavaScript code before the browser runs it.

• JIT (Just-in-Time) compilation is done at runtime, converting TypeScript and HTML code into JavaScript code while the application is running.

• AOT improves performance by reducing the size of the bundle and optimizing the cod...read more
Answered by AI
Add your answer
Q2. Observables vs promises
Ans. 
Observables are streams of data that can be subscribed to, while promises are a single future value.
• Observables can handle multiple values over time, while promises can only handle a single value.

• Observables are cancellable, while promises are not.

• Observables support operators like map, filter, and reduce for data transformation.

• Promises have a simpler API with just then and catch methods.

• Observables are lazy, meaning ...read more
Answered by AI
Add your answer
Q3. What is data binding and types?
Ans. 
Data binding is the automatic synchronization of data between the model and view components in an application.
• Data binding allows for the seamless updating of data in the model and reflecting those changes in the view without manual intervention.

• There are two types of data binding in Angular: one-way binding and two-way binding.

• One-way binding updates the view when the model changes, while two-way binding updates both ...read more
Answered by AI
Add your answer
Q4. What is closure?
Ans. 
Closure is a function that has access to its own scope, as well as the scope of its outer function.
• A closure allows a function to access variables from its outer function even after the outer function has finished executing.

• Closures are commonly used in JavaScript to create private variables and functions.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(oute
Answered by AI
Add your answer
Q5. Lazyloading in angular
Ans. 
Lazy loading in Angular is a technique used to load modules only when they are needed, improving performance.
• Lazy loading helps reduce initial load time by loading modules on demand

• Implemented using loadChildren property in routes configuration

• Lazy loaded modules have their own routes and components
Answered by AI
Add your answer
Q6. Directives in Angular and Types
Ans. 
Directives in Angular are markers on a DOM element that tell Angular to attach a specified behavior to that DOM element or transform the DOM element and its children.
• Directives are used to create reusable components in Angular.

• 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

Pagination task and filter table data

Q1. Angular Basic Concepts interceptor,Observable,AuthGuard
Add your answer

Q1. Java script basics
Add your answer
Q2. Angular basics questions
Add your answer

Technical questions and live coding questions with medium difficulty

Q1. First is telephonic round it was friendly and co-operative interview process. 1Tell me about yourself 2.What is JavaScript 3.Pure Pipe and Impure Pipe
Add your answer
Q2. 4.How to create custom Pipe? 5.Directives in angular 6.Binding in angular
Ans. 
Answers to questions related to Angular frontend development
• To create a custom pipe, use the @Pipe decorator and implement the PipeTransform interface

• Directives in Angular are used to manipulate the DOM and add behavior to elements

• Binding in Angular is used to connect the component class with the template

• Examples of binding include property binding, event binding, and two-way binding
Answered by AI
Add your answer

Coding and technical round in which interview ask me to write a function which gives output true when we pass value 5 otherwise returns false; for 2 functions-> 1.Having 2.Available