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I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
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...
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 ...
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 ...
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
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
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.
Pagination task and filter table data
posted on 25 May 2022
I applied via Approached by Company and was interviewed in Apr 2022. There were 2 interview rounds.
Observables are a way to handle asynchronous data streams in Angular.
Observables are similar to Promises, but can emit multiple values over time.
They can be created using the RxJS library.
They can be used for handling user input, HTTP requests, and other asynchronous operations.
Operators can be used to transform, filter, and combine observables.
Subscriptions are used to listen for emitted values and handle errors and c
Interfaces without methods can be implemented using type aliases.
Type aliases can be used to define a shape of an object without any methods.
Type aliases can be used to define a shape of an object with optional properties.
Type aliases can be used to define a shape of an object with readonly properties.
Type aliases can be used to define a shape of an object with union types.
posted on 30 Sep 2024
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
posted on 25 May 2022
I applied via Approached by Company and was interviewed in Apr 2022. There were 2 interview rounds.
Observables are a way to handle asynchronous data streams in Angular.
Observables are similar to Promises, but can emit multiple values over time.
They can be created using the RxJS library.
They can be used for handling user input, HTTP requests, and other asynchronous operations.
Operators can be used to transform, filter, and combine observables.
Subscriptions are used to listen for emitted values and handle errors and c
Interfaces without methods can be implemented using type aliases.
Type aliases can be used to define a shape of an object without any methods.
Type aliases can be used to define a shape of an object with optional properties.
Type aliases can be used to define a shape of an object with readonly properties.
Type aliases can be used to define a shape of an object with union types.
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
Technical questions and live coding questions with medium difficulty
posted on 4 Apr 2023
I applied via Indeed and was interviewed in Oct 2022. There were 2 interview rounds.
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
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
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
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...
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 ...
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 ...
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
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
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.
Pagination task and filter table data
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Developed a web application for managing inventory and sales for a retail store.
Used Angular framework to create a responsive and user-friendly interface.
Implemented features for adding, updating, and deleting products in the inventory.
Integrated with backend APIs to fetch real-time sales data and generate reports.
Utilized Angular Material for designing consistent UI components.
Angular is a popular front-end framework for building web applications. SPA stands for Single Page Application.
Angular is a front-end framework developed by Google for building dynamic web applications.
It uses TypeScript for building applications with components, services, and modules.
SPA is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.
SPA provid...
Lazy loading is a technique in web development where resources are loaded only when needed, improving performance.
Lazy loading helps reduce initial load time by loading resources on demand
It is commonly used in Angular for loading modules, components, or routes asynchronously
Lazy loading can improve user experience by speeding up page load times
RxJS is a library for reactive programming using Observables to handle asynchronous data streams.
RxJS stands for Reactive Extensions for JavaScript.
It allows you to work with asynchronous data streams and handle events.
Operators like map, filter, and mergeMap are used to manipulate and combine streams.
Subscriptions are used to listen to and react to changes in the data streams.
Example: Using RxJS to make HTTP requests
?? is the nullish coalescing operator, while ? is the optional chaining operator in Angular.
?? is used to provide a default value when a variable is null or undefined.
? is used to safely access nested properties of an object without causing errors.
Example: const name = person?.name; // safe access to 'name' property of 'person' object
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