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所在平台: Udemy |
课程主页: https://www.udemy.com/course/angular-interview-questions-answers/
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这门Coursera课程“Angular面试题与答案”专注于帮助学员在Angular面试中脱颖而出。课程不教授Angular基础知识，而是专注于如何清晰、准确地回答面试官常问的问题。 课程内容涵盖广泛，分为八个部分： * **第一部分（25题）：** 基础概念，包括Angular的作用、指令（及类型）、NPM和Node_Modules的重要性、package.json文件、TypeScript、Angular CLI、组件与模块、装饰器、元数据、模板、数据绑定（四种）、Angular架构、SPA（及实现）、路由（实现）、懒加载（及实现）、服务、依赖注入（及实现与好处）、ng serve与ng build的区别，以及-prod参数。 * **第二部分（6题）：** ViewChild和ViewChildren，包括其作用、模板引用变量的必要性、内容投影（ContentProjection）及其插槽、ContentChild和ContentChildren，以及ViewChild、ViewChildren、ContentChild和ContentChildren的区别。 * **第三部分（3题）：** 组件生命周期，包括其重要性、事件与顺序，以及constructor与ngOnInit()的区别。 * **第四部分（7题）：** HTTP调用、事件发射器（Emitters）和路由，包括如何进行HTTP调用、subscribe函数的作用、HTTP请求失败时的错误处理，组件间数据传递（Input、Output、Event Emitters）、路由传参，以及通过服务传递数据的实践。 * **第五部分（3题）：** Angular Pipes，包括其必要性、内置管道，以及如何创建自定义管道。 * **第六部分（11题）：** RxJS（Reactive Extensions for JavaScript），包括RxJS的缩写与目的、Observables和Observers、Subscribe的使用与取消订阅、操作符的概念与使用、RxJS的安装、Promise与RxJS的区别，以及在Angular中的应用场景和常用的操作符，还有Push/Reactive与Pull/Imperative的区别。 * **第七部分（4题）：** Interceptors，包括Interceptors的作用、实现方式、使用场景，以及是否可以提供多个Interceptors。 * **第八部分（13题）：** Angular Validations，包括两种验证方式（模板驱动表单 vs. 响应式表单）、使用场景、模板引用变量、模板驱动表单和响应式表单的实现，复合验证、动态验证、检查整体和特定验证的有效性，内置验证器，自定义验证器的创建，是否能不使用FORM标签进行验证，以及[ngModelOptions]（{standalone: true}）的含义。 总而言之，该课程旨在通过对Angular核心概念和常见面试问题的深度解析，帮助学员提升面试技巧，成功获得理想的工作。
Knowing Angular and still not able to crack interviews , then you are at the right place.:-) This course focuses on revising most asked interview questions around Angular. Interview is all about expressing your answers in a precise and proper way. You can have tons of knowledge , you must have done tons of coding but cracking interview is a different ball game. This course is revision course where i have focused on what kind of questions are asked and how to answer them in a elaborate way. Please note this course does not teach Angular , if you want to learn Angular please check my Learn Angular step by step video series.Below are the questions covered in this course, Happy learning , Happy job hunting.25 Interview Questions on Angular basic concepts - Part 1.Question 1:- Whats the use of Angular ?Question 2:- What are directives in Angular ?Question 3:- Explain the different types of Angular directives ?Question 4:- Explain the importance of NPM and Node_Modules folder ?Question 5:- Explain the importance of Package.json file in Angular ?Question 6:- What is typescript and why do we need it ?Question 7:- Explain importance of Angular CLI ?Question 8:- Explain the importance of Component and Modules ?Question 9:- What is a decorator in Angular ?Question 10:- What are Annotation or MetaData ?Question 11:- What is a template ?Question 12:- Explain the four types of Data bindings in Angular ?Question 13:- Explain architecture of Angular ?Question 14:- What is SPA in Angular ?Question 15:- How to implement SPA in Angular ?Question 16:- How to implement routing in Angular ?Question 17:- Explain Lazy Loading ?Question 18:- How to implement Lazy Loading in Angular ?Question 19:- Define Services ?Question 20:- What is Dependency Injection ?Question 21:- How to implement Dependency Injection ?Question 23:- Whats the benefit of Dependency Injection ?Question 24:- Differentiate between ng serve and ng build ?Question 25:- Explain the -prod parameter in ng build ?Covered 6 Important questions on ViewChild and ViewChildren in Angular - Part 2.Question 26:- Explain ViewChild and ViewChildren ?Question 27:- Why do we need Template reference variables ?Question 28:- What is ContentProjection ?Question 29:- Explain Content projection Slot ?Question 30:- What is ContentChild and ContentChildren?Question 31:- ViewChild vs ViewChildren vs ContentChild vs ContentChildren ?Questions around Angular component lifecycle - Part 3.Question 32:- Explain the importance of Component life cycle ?Question 33:- Explain events and sequence of component life cycle ?Question 34:- constructor vs ngOnInit() ?Tricky Interview questions on HTTP calls, Emitters & Routing - Part 4.Question 35:- How to make HTTP calls using Angular ?Question 36:- What is the need of Subscribe function ?Question 37:- How to handle errors when HTTP fails ?Question 38:- How to pass data between components ?Question 39:- What are input , output and event emitters ?Question 40:- How to pass data during routing ?Question 41:- Is it a good practice to pass data using services ?Questions on Angular Pipes - Part 5.Question 42:- What is the need of Angular Pipes ?Question 43:- Can you name some built-in Angular pipes ?Question 44:- How to create Custom pipes in Angular ?Ten important questions on RxJS (Reactive Extensions for JavaScript) - Part 6Question 45:- What is the fullform of RxJS ?Question 46:- What is the purpose of RxJS ?Question 47:- What are Observables and Observers ?Question 48:- Explain the use of Subscribe with sample code ?Question 49:- How to unsubscriber in RxJS ?Question 50:- Explain the concept of operators with sample code?Question 51:- How to install RxJS ?Question 52:- Differntiate between promise and RxJS ?Question 53:- In Angular where have you used RxJS?Question 54:- Which operators have used from RxJS ?Question 55:- What is the Push/Reactive vs Pull/Imperative?Essential questions around Interceptors - Part 7.Question 56:- What are Interceptors in Angular?Question 57:- How to implement Interceptors?Question 58:- Give some use of Interceptors?Question 59:- Can we provide multi-Interceptors?13 Important Interview Questions on Angular Validations - Part 8Question 60:- What are two ways of doing validation in Angular?Question 61:- Template driven forms VS Reactive Forms?Question 62:- In what situations you will use what?Question 63:- Explain template reference variables ?Question 64:- How do we implement Template driven forms?Question 65:- How do we implement Reactive forms ?Question 66:- How can we implement composite validations?Question 67:- How to create dynamic validation ?Question 68:- How to check if overall validation and specific validations are good ?Question 69:- Can you talk about some inbuilt validators ?Question 70:- How can you create your own custom validator ?Question 71:- Can we implement angular validators with out FORM tag ?Question 72:- What is [ngModelOptions]="{standalone: true}" ?
