Dell EMC Front end Developer Interview Questions and Answers

2 question 1 easy 2 medium dsa

2 codes of dsa and mcq.

Q1. Code paring round
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Q2. Dsa question of graph
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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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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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Average,Time Speed Distance , Stream and Boat , Proportions , SI and CI

Q1. Read the Given Sentence
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Q2. Tell the description about the topic
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The topic is about describing a specific subject or concept in detail.
• Provide a comprehensive overview of the topic

• Include key details and characteristics

• Explain the significance and relevance of the topic

• Use examples to illustrate key points
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Java , SQL , Front end quesstion

Q1. Positions in CSS
Ans. 
Positions in CSS refer to the different ways elements can be placed on a webpage.
• Static: default positioning, elements flow in the order they appear in the HTML

• Relative: positioned relative to its normal position

• Absolute: positioned relative to its nearest positioned ancestor

• Fixed: positioned relative to the viewport and does not move when scrolled
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Q2. Event loop in javascript
Ans. 
Event loop in JavaScript manages asynchronous operations by executing callback functions in a queue.
• Event loop is responsible for handling asynchronous operations in JavaScript.

• It allows non-blocking I/O operations by executing callback functions in a queue.

• Event loop continuously checks the call stack and the callback queue to prioritize tasks.
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Given time aptitude must be cleared

2 codings for 1 hour

HTML CSS javascript DSA corejava

Java programming HTML tags DSA algorithms