Infomanav Front end Developer Interview Questions and Answers

Q1. What is aptitude
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Q2. Front end developer in how much are there
Ans. 
Front end developers are in high demand due to the increasing importance of user experience in web development.
• Front end developers work on the client side of web development, focusing on the user interface and user experience.

• They are responsible for implementing designs, optimizing performance, and ensuring cross-browser compatibility.

• Front end developers often use HTML, CSS, and JavaScript, as well as frameworks lik...read more
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Q3. 3 or 4 maximum that's it
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Q4. What isreasoning
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Reasoning is the mental process of thinking, understanding, and forming conclusions.
• Reasoning involves using logic and critical thinking to make sense of information.

• It helps in problem-solving and decision-making by analyzing and evaluating evidence.

• Types of reasoning include inductive reasoning, deductive reasoning, and abductive reasoning.
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Q5. How to get success interview
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Q1. CSS Box-model definition
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CSS Box-model defines how elements are rendered in a webpage, including padding, border, and margin.
• Box-model consists of content, padding, border, and margin

• Content area is where text or images are displayed

• Padding is the space between content and border

• Border is the line around the content and padding

• Margin is the space outside the border
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Q2. Difference b/n flexbox and grid
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Flexbox is for one-dimensional layouts, grid is for two-dimensional layouts.
• Flexbox is best for arranging items in a single row or column.

• Grid is best for creating complex layouts with rows and columns.

• Flexbox is more suitable for smaller scale layouts, while grid is better for larger scale layouts.

• Flexbox is more flexible in terms of item order and sizing, while grid provides more control over the overall layout.

• Both
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Q1. What is bridge? What is the new architecture?
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Bridge is a structural design pattern that decouples an abstraction from its implementation. The new architecture refers to modern design patterns and technologies used in software development.
• Bridge pattern allows the client code to work with different implementations of an interface independently.

• The new architecture in front end development may include concepts like component-based architecture, state management lib...read more
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Q2. How will you optimize a react native app
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Optimizing a React Native app involves reducing bundle size, improving performance, and enhancing user experience.
• Use code splitting to reduce initial load time

• Optimize images and assets for smaller file sizes

• Implement lazy loading for components that are not immediately visible

• Minimize the use of third-party libraries and only include necessary dependencies

• Utilize performance monitoring tools like React Native Perform
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Q3. What is context API
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Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
• Context API provides a way to pass data through the component tree without having to pass props down manually at every level.

• It is useful for sharing global data such as themes, user authentication, or language preferences.

• Context API consists of three main parts: Provider...read more
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Q4. What is hoisting
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Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable declarations are hoisted to the top of their scope, but not their initializations.

• Function declarations are fully hoisted, including their definitions.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q1. Based on Angular
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Q2. Based on Html, CSS, Javascript
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Q1. React js Basic Question
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Q2. Coding Question Giving API to call and show in UI
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Q1. Javascript concepts: Closure, Promise, Fetch, evening bubbling and capturing. React questions: Features of react, virtual DOM, react hooks, custom hooks.
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Q1. 1. How Virtual DOM is more efficient than real DOM. 2. Coding question: Valid parentheses 3. Usage of Event delegation. 4. Custom events. In-depth questions of JavaScript.
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Q1. Discussion of previous projects. How to handle strict deadline scenarios.
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All the basic topics

Normal JS, And CSS and HTML

Q1. What is clouser in js
Ans. 
Closure in JavaScript is the combination of a function and the lexical environment within which that function was declared.
• A closure allows a function to access variables from an outer function even after the outer function has finished executing.

• Closures are created every time a function is created, at function declaration time.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunct...read more
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Q1. Why you want change the job
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