Angular Interview Question Answers

1. What are Advantages are Angular?

Angular supports web-framework
Dynamic template support
No custom directive support
Difficult to trace errors

Event handlers are difficult to use
controlled memory leaks
Custom Directive support
MVC Pattern Architecture support

Low Memory usage
Free data access
Strict programming structure
Server and client communication support

Angular Supports two-way data-binding
Angular Follows MVC pattern architecture
It supports Static and Angular Template.
Custom directive support
Client and server communication

2. Angular mainly used for?

Typically Angular is used for Development of Single Page Applications (SPA) with its read-to-use modules single page application development is simplified.

Robotic AI development

Database intensive application development

Webframe work used for web site developments

3. What are Angular Expressions?

Angular expressions are code snippets that are placed with two parenthesis open and closing side.
Ex: {{expression }}. These expressions are used to bind application data to HTML

Angular expressions are used for expressing code logic

Angular expressions are used in code to let the data do its own task.

Expressions are used to writing some comments in the code for future reference.

4. What is angular?

Angular is a Low level programming language

Angular is an Back-end end web framework

Angular is a framework developed for Robots

Angular is an Open-Source front end web framework

5. What is Scope in Angular?

Scope of the variable declaration in Angular

Application model that lets the data view control the application controller

Scope binding of data between code and html view

It refers to a application model, Scope acts like a glue between application controller and the view.

6. What is String interpolation?

String interpolation is used in double {{ }} brackets for string manipulation

In Angular String interpolation is combining multi strings for displaying data

String interpolation in angular is a expression

A special syntax that uses template expressions within double parenthesis {{ }} for displaying the component data is String interpolation in Angular

7. What is Angular Injector?

Injectors are useful for locating the services and providing data binding.

An angular injector can be used to inject new code at run time.

Used for injecting data for different modules.

An Angular injector is a service location, used to retrieve object instances as defined by provider, instantiate types, invoke methods and load modules.

8. What is Data binding in Angular?

Data binding allows programmers to let the data and program logic be independent and communicate on their own.

Data binding is process of not letting the data move from one part of the code to other

Data binding that allows communication between Component and DOM (Document object Model)
There 4 forms of data binding.
a. String interpolation
b. Property binding
c. Event binding.
d. Two-way Data binding.

Just a way to tie up the data and not let any programming code access it.

9. What are Controllers in Angular?

Controllers are functions which provide data and logic to the HTML UI. They control how data flows from Server to HTML UI

Data flows independently without the intervention of Angular Controllers

A Logic that controllers provide in Angular but have no way to control data flow

Controllers in angular are data that is used in HTML UI

10. What are Directives in Angular?

Directive in angular is a new data type.

A Directive in Angular is something that introduces a new syntax

Directive for New Data Declaration

A Directive in Angular is something that introduces new framework

Angular Interview Question Answers

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Angular Interview Question Answers

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