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Behavioral
2 years ago
Can you explain the distinction between null and undefined in JavaScript, and when each should be used?
Frontend Engineer

Kaspersky Lab

PopCap Games Logo

PopCap Games

Obsidian Entertainment Logo

Obsidian Entertainment

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2 years ago
Javascript
2 years ago
What strategies would you employ in JavaScript to improve the fetching and caching of feature flags from an API?
Frontend Engineer

Kaspersky Lab

Mitsubishi Electric Logo

Mitsubishi Electric

Toshiba Logo

Toshiba

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2 years ago
Coding
2 years ago
What is your approach to aligning an element centrally over an image?
Frontend Engineer

Kaspersky Lab

Qualcomm Logo

Qualcomm

NortonLifeLock Logo

NortonLifeLock

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2 years ago
Behavioral
2 years ago
What is your methodology for assembling an npm package?
Frontend Engineer

Kaspersky Lab

Careem Logo

Careem

Unity Technologies Logo

Unity Technologies

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2 years ago
Coding
2 years ago
What makes a function declaration distinct from a function expression?
Frontend Engineer

Kaspersky Lab

Shopify Logo

Shopify

Obsidian Entertainment Logo

Obsidian Entertainment

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2 years ago
Coding
2 years ago
How do you perceive the role and advantages of hash maps in data structures, and what features make them unique?
Frontend Engineer

Kaspersky Lab

Baidu Logo

Baidu

ByteDance Logo

ByteDance

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2 years ago
Behavioral
2 years ago
What are the SOLID principles, and how would you explain each of them?
Frontend Engineer

Kaspersky Lab

King Logo

King

Texas Instruments Logo

Texas Instruments

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2 years ago
Javascript
2 years ago
Please explain the process of vertically traversing a binary tree in JavaScript and printing the nodes from top to bottom.
Frontend Engineer

Kaspersky Lab

Pocket Gems Logo

Pocket Gems

Perfect World Entertainment Logo

Perfect World Entertainment

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2 years ago
Javascript
2 years ago
In JavaScript, how would you construct an event emitter class with the on, emit, and off methods?
Frontend Engineer

Kaspersky Lab

CD Projekt Logo

CD Projekt

HPE Logo

HPE

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2 years ago
Javascript
2 years ago
What is your approach to implementing a deep cloning function in JavaScript, especially when dealing with complex data structures and reference preservation?
Frontend Engineer

Kaspersky Lab

Meta Logo

Meta

Bandai Namco Logo

Bandai Namco

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2 years ago

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*All interview questions are submitted by recent Kaspersky Lab Frontend Engineer candidates, labelled and categorized by Prepfully, and then published after being verified by Frontend Engineers at Kaspersky Lab.

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