Perficient Web Designer & Frontend Developer Interview Questions and Answers

Q1. Interceptors, guards, forms
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Q2. Angular lifecycle hooks, Aot compolation
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Q1. What are pipes in angular?
Ans. 
Pipes in Angular are used to transform data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or manipulate data in various ways.

• Examples include currency, date, uppercase, and lowercase pipes.
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Q1. All basic and advance concept questions on javascript.
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Q2. React hooks and scenario based questions.
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Q1. They asked basic functionalities in react
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Q2. Like what is redux and virtual DOM
Ans. 
Redux is a state management library for JavaScript applications, while virtual DOM is a lightweight copy of the actual DOM used for efficient rendering in React.
• Redux is used to manage the state of an application in a predictable way.

• It helps in maintaining a single source of truth for the state of the application.

• Virtual DOM is a lightweight copy of the actual DOM used by React to improve performance.

• It allows React t...read more
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Reactive form with 2 fields and closure function Array function

2 problems, coding problems, java script

Q1. React version, redux middleware
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Q1. Basic angular questions,
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Q2. JavaScript ES6 Features
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Q1. React Lifecycle Methods
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Todo list with Search functionality using react, 45 mins