CitiusTech Senior Frontend Software Engineer Interview Questions, Process, and Tips

Q1. All basic and advance concept questions on javascript.
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Q2. React hooks and scenario based questions.
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Q1. They asked basic functionalities in react
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Q2. Like what is redux and virtual DOM
Ans. 
Redux is a state management library for JavaScript applications, while virtual DOM is a lightweight copy of the actual DOM used for efficient rendering in React.
• Redux is used to manage the state of an application in a predictable way.

• It helps in maintaining a single source of truth for the state of the application.

• Virtual DOM is a lightweight copy of the actual DOM used by React to improve performance.

• It allows React t...read more
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Reactive form with 2 fields and closure function Array function

Q1. What is call and apply in JS
Ans. 
call and apply are methods in JS used to invoke a function with a specified 'this' value and arguments.
• call() method is used to invoke a function with a specified 'this' value and arguments provided individually

• apply() method is used to invoke a function with a specified 'this' value and arguments provided as an array

• Both methods are used to borrow methods from other objects, and to set the 'this' value explicitly
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Q1. Callback promise react hooks
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Q1. Basic questions related to html5,css3,javascript,react js and DSA question to execute also
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Q2. 1.dsa for repeated array
Ans. 
Implement a data structure and algorithm for finding repeated elements in an array.
• Use a hash map to store the frequency of each element in the array.

• Iterate through the array and update the frequency in the hash map.

• Return the elements with frequency greater than 1 as the repeated elements.
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Q3. 2.dsa for sorting array
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Implementing DSA for sorting array of strings
• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Compare strings using built-in comparison functions or custom comparison functions

• Ensure the sorting algorithm is efficient and handles edge cases
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Css3 questions JavaScript also. Login page and positions and dsa for flattened the nested array

Simple angular code test

Q1. Abt angular all topics
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Q2. Html simple questions
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