Qube Cinema Technologies Senior Front end Developer Interview Questions and Answers

45 mins coding test having javascript and react questions

Q1. Print the character and the count of character on UI whenever a keystroke happens , implement it in react
Ans. 
Implement a feature in React to display the character and count of characters on UI on each keystroke.
• Use state to store the input value and update it on each keystroke.

• Use a function to count the characters in the input value and display the result on the UI.

• Use event listeners to detect keystrokes and trigger the character count update.
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Q2. Questions about micro-frontend, web workers, best react practices
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Q1. How do you optimize frontend code
Ans. 
Optimizing frontend code involves minimizing file sizes, reducing HTTP requests, using efficient algorithms, and implementing caching strategies.
• Minimize file sizes by removing unnecessary code, using minification tools, and optimizing images.

• Reduce HTTP requests by combining files, using sprites, and lazy loading resources.

• Use efficient algorithms and data structures to improve performance.

• Implement caching strategies...read more
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Q2. How do you collaborate in team
Ans. 
I collaborate in team by actively participating in discussions, sharing ideas, providing feedback, and working together towards common goals.
• Actively participate in team meetings and discussions

• Share ideas and insights with team members

• Provide constructive feedback on others' work

• Collaborate on projects by dividing tasks and working together towards common goals
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Q1. General strenghts and weakness questions
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Q2. Past experience , conflict handling
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