Tech Formation Front end Developer Interview Questions and Answers

Q1. What is hoisting?
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Q2. What is closure?
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Add captions on video. User can type caption text and set duration (timestamp) of caption.

Create a small appilcation and send the code via email

Q1. Questions related to javascript
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Q1. DATA STRUCTURES , SYSTEM DESIGN
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Q2. ALGORITHM , LLD
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Q1. Like or dislike
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Q2. What are you thinking
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It was a live coding round where expectation was to come up with a framework in Java from Scratch

Q1. It was a DS/Algo Round
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Q1. Design Round in HLD
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Design Round in HLD involves creating a high-level design for a software system.
• Identify the main components of the system and their interactions

• Define the architecture of the system including layers, modules, and interfaces

• Consider scalability, performance, security, and maintainability

• Use UML diagrams like class diagrams, sequence diagrams, and component diagrams

• Document the design decisions and rationale
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2 questions, Easy and medium based

Q1. Stacks queues and array questions
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Q1. Technical questions on projects
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Q1. How to tackle any uncertain situations? Behavioural questions
Ans. 
Approach uncertain situations with a structured mindset, focusing on analysis, communication, and adaptability.
• Stay calm and assess the situation: For example, during a project delay, analyze the root cause before reacting.

• Gather information: Consult with team members or stakeholders to understand different perspectives.

• Prioritize tasks: Identify what needs immediate attention and what can wait, like addressing critica...read more
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Q1. Let var const difference
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var, let, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
• var is function-scoped and can be redeclared and reassigned

• let is block-scoped and can be reassigned but not redeclared

• const is block-scoped and cannot be reassigned or redeclared
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Q2. Polyfills of bind method
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Polyfills of bind method provide a way to use the bind method in older browsers that do not support it natively.
• Polyfill code typically checks if the bind method is available and if not, it creates a new function that mimics the behavior of bind.

• One common polyfill for the bind method is the following: Function.prototype.bind = Function.prototype.bind || function() { // polyfill code here };

• Polyfills are often used to ...read more
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Q1. Make a search bar in React
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Create a search bar component in React for filtering data
• Create a functional component for the search bar

• Use state to store the search query

• Implement a onChange event handler to update the search query

• Filter the data based on the search query
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Q2. React js core concepts
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Q1. How you structure your work
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Q2. How you make a project from scratch
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