Leometric Technology Front end Developer Interview Questions and Answers

Javascript programming language

Javascript programming languge

Q1. Javascipt question
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Q2. Promises, filter, map, What is single page , mulitple page application, opened google page by search for one product in that using console filter it only for sony products only
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Q3. What is DOM, what is the use of that
Ans. 
DOM stands for Document Object Model, it is a programming interface for web documents. It represents the structure of a document as a tree of objects.
• DOM is used to interact with HTML and XML documents in a structured way

• It allows developers to manipulate the content, structure, and style of a website dynamically

• DOM provides methods and properties to access and modify elements on a web page

• Example: document.getElementB...read more
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Q4. What is the output if u type document in console
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The output will display the document object in the console.
• Typing 'document' in the console will return the document object, which represents the current HTML document.

• The document object provides access to the content and structure of the webpage, allowing manipulation of elements and properties.
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A Medium Range hard questions will be asked and we need to solve with in the given time

Asked 3 questions of hard we need to use any one of the given language to solve the questions

Q1. Be Confident and Have Deep understanding About The Job Which You Applied
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Q2. Are You Willing To relocate
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Q3. How You Will Manage The Work Load Pressure
Ans. 
I manage work load pressure by prioritizing tasks, setting realistic deadlines, and taking breaks to avoid burnout.
• Prioritize tasks based on deadlines and importance

• Break down tasks into smaller, manageable chunks

• Set realistic deadlines and communicate with team members if needed

• Take short breaks to avoid burnout and maintain productivity
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Q4. How Will You solve An Issue If You Don;t know
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Apti questions weree asked

Dsa questions asked by them

Q1. Array linked list queue
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Javascript array questions like palindrom and others with aptitude

Q1. Skill related technical questions
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Q2. How to share data in components react
Ans. 
Data can be shared between components in React using props, context, or state management libraries like Redux.
• Use props to pass data from parent to child components

• Use context to share data across multiple components without passing props manually

• Use state management libraries like Redux to manage global state and share data between components
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Q3. Prop drilling explain in react
Ans. 
Prop drilling is the process of passing data through multiple levels of components in React.
• Prop drilling occurs when a component needs to pass data to a deeply nested child component.

• It can lead to code that is hard to maintain and understand.

• One way to avoid prop drilling is by using Context API or Redux for state management.
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Q4. Redux flow explain
Ans. 
Redux is a predictable state container for JavaScript apps.
• Redux stores the entire state of an application in a single immutable object.

• State changes are made by dispatching actions, which are plain JavaScript objects.

• Reducers specify how the application's state changes in response to actions.

• Redux flow: Action -> Reducer -> Store -> View
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Q1. Previous project discussion
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2 moderate DSA questions and a Question on React on Api's to fetch data