Object-Oriented Programming | Basic concepts of Oops | Oops concepts | Object-Oriented Programming | Solid principles interview questions | Solid principles of Oops | Solid principles javascript | Solid principles in Design Patterns | javascript oops | Liskov substitution principle example | Dependency inversion principle example | Interface segregation principle example | single responsibility principle […]

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TypeScript New & Latest Features ✋ What is index signatures in Typescript? TypeScript has a feature called index signatures. These signatures are a way to signal to the type system that users can access arbitrarily-named properties. So in simple words by using index signature, we can defines properties in models that are not pre-known or […]

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How to implement Reactive Form with Prime NG Reactive forms Reactive forms provide a model-driven approach to handling form inputs whose values change over time. This guide shows you how to create and update a basic form control, progress to using multiple controls in a group, validate form values, and create dynamic forms where you […]

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Angular HTTP Request Testing HttpClient is introduced in Angular 6 and it will help us fetch external data, post to it, etc. We need to import the http module to make use of the http service. To start using the http service, we need to import the module in app.module.ts as shown below − HttpClientTestingModule  is used […]

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Top 30 TypeScript Interview Questions 💡 What is Typescript? Typescript is an Open source programming language developed by Microsoft. Typescript is superset of JavaScript and it is a strict type checking language. Because it is a superset of JavaScript, every JavaScript program is a valid typescript program as well. It is designed for large applications […]

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