Top 50 Angular Interview Questions

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00:00:00 - Introduction
00:01:58 - What is Angular?
00:04:50 - What are Angular advantages?
00:07:32 - What is the difference between AngularJS and Angular?
00:10:42 - What is NPM?
00:12:16 - What is CLI tool?
00:13:57 - Section 2
00:14:25 - What are Components in Angular?
00:17:14 - What is a Selector and Template?
00:18:40 - What is Module in Angular? What is app.module.ts file?
00:21:43 - How an Angular App gets Loaded and Started? What are index.html, app-root, selector and main.ts?
00:25:42 - What is a Bootstrapped Module & Bootstrapped Component?
00:27:20 - Section 3
00:27:54 - What is Data Binding in Angular?
00:30:13 - What is String Interpolation in Angular?
00:32:08 - What is Property Binding in Angular?
00:35:06 - What is Event Binding in Angular?
00:38:07 - What is Two way Binding in Angular?
00:41:55 - Section 4
00:42:19 - What are Directives? What are the type of directives?
00:44:49 - What is *ngIf Structural directive?
00:46:43 - What is *ngFor Structural directive?
00:48:06 - What is *ngSwitch Structural directive?
00:50:35 - What is [ngStyle] Attribute directive?
00:53:45 - What is [ngClass] Attribute directive?
00:56:26 - What is the difference between Component, Attribute and Structural Directives?
00:58:08 - Section 5
00:58:29 - What is Decorator?
01:00:15 - What are the types of Decorator?
01:01:05 - What are Pipes? What are the types of Pipes & Parameterized Pipes?
01:03:25 - What is Chaining Pipes?
01:04:14 - Section 6
01:04:38 - Explain Services with Example?
01:06:32 - How to create Servicein Angular?
01:10:04 - How to use Dependency Injector with Services in Angular?
01:11:56 - What is Hierarchical Dependency Injection?
01:14:34 - What is Provider in  Angular?
01:15:46 - What is the role of @Injectable Decorator in a Service?
01:19:57 - Section 7
01:20:11 - What are Parent-Child Components?
01:23:40 - What are Lifecycle Hooks in Angular?
01:27:09 - What is a Constructor in Angular?
01:29:24 - What is ngOnInit life cycle hook in Angular?
01:30:52 - What is the difference between constructor and ngOnInit?
01:35:21 - Section 8
01:36:01 - What are Asynchronous operations?
01:38:20 - What is the difference between Promise and Observable?
01:42:47 - What is RxJS?
01:45:21 - What is Observable? How to implement Observable
01:50:10 - What is the role of HttpClient in Angular?
01:51:26 - Section 9
01:51:50 - What is Typescript? Or What is the difference between Typescript and Javascript?
01:57:55 - What is the difference between let and var keyword?
2:00:59 - What is Type annotation?
02:02:27 - What are Built in/ Primitive and User-Defined/ Non-primitive Types in Typescript?
02:04:21 - What is “any” type in Typescript?
02:06:37 - What is Enum type in Typescript?
02:08:48 - What is Type Assertion in Typescript?
02:10:47 - What are Arrow Functions in Typescript?

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