Shalom ERP Front end Developer Interview Questions and Answers

Q1. Mostly js questions, not so many of angular or react.
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Q2. Like fizbuzz or things like that.
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Q1. JavaScript Related Questions
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Q2. ReactJs Related Questions
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Q1. Reactjs Use Effects and UseRef
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Q2. JavaScript Closures,Map,CallBack
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Q1. Caching Strategy
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Q2. What is micro Frontend architecture
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Micro Frontend architecture is an approach to building front-end applications by breaking them down into smaller, independently deployable units.
• Allows different teams to work on separate parts of the application

• Each micro frontend can be developed using different technologies

• Enables incremental upgrades and updates without affecting the entire application

• Can improve performance by loading only the necessary components

• ...read more
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Q3. Pure and impure pipes in angular
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Pure pipes in Angular are stateless and do not change the input data, while impure pipes can have side effects and change the input data.
• Pure pipes are used for simple transformations like formatting dates or numbers.

• Impure pipes are used for more complex transformations that require state or side effects.

• Pure pipes are faster and more efficient as they only run when a pure change to the input data is detected.

• Impure p...read more
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Q4. How to make singleton services multiton
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Singleton services can be made multiton by maintaining a map of instances with unique keys.
• Create a map to store instances with unique keys

• Use a factory method to retrieve instances based on keys

• Ensure that only one instance is created per key
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Q5. What is dependency injection
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Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: AngularJS, Spring Framework
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Javascript programming language

Javascript programming languge

Q1. Array linked list queue
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It was easy not that hard

Coding question were on medium level

Q1. Be prepared for project question
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You will need to create a working web app in vanilla JS.
need to implement the following things.
1. Fetch data from given REST api
2. Display data in List. add some css to show different type of items.
3. Implement text filter and other types of filter.
All needs to be implemented in vanilla JS

Q1. Javascript concepts Web fundamentals Promise Pollyfill
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Q1. System Design Round Design HLD/LLD for any game like chess/Snakes and ladder
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Designing HLD/LLD for a game like chess or Snakes and Ladders
• Identify the game rules and mechanics

• Determine the game board and pieces

• Create a data model for the game state

• Implement game logic and rules using algorithms

• Design user interface and user experience

• Consider scalability and performance

• Test and debug the game thoroughly
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Q1. Hiring Manager round Asked to implement Dots and Square game
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