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Javascript
3 years ago
In JavaScript, how would you develop a solution for feature flag retrieval that emphasizes performance and effective caching?
Frontend Engineer

ByteDance

Wargaming.net

Capcom

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3 years ago
Frontend System Design
3 years ago
What steps would you take to develop a custom UI component, such as a dropdown, in HTML, CSS, and JavaScript?
Frontend Engineer

ByteDance

Zalando Logo

Zalando

Airbnb Logo

Airbnb

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3 years ago
Frontend System Design
3 years ago
How would you engineer a slider that supports both horizontal and vertical orientations and allows for user-defined customizations?
Frontend Engineer

ByteDance

Careem Logo

Careem

Adobe Logo

Adobe

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3 years ago
Behavioral
3 years ago
Can you identify the SOLID principles and discuss their importance in software development?
Frontend Engineer

ByteDance

Citrix Systems Logo

Citrix Systems

Asana Logo

Asana

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3 years ago
Frontend System Design
3 years ago
What steps would you take to implement an image upload and preview feature in a web application, addressing key issues like file handling and thumbnail display?
Frontend Engineer

ByteDance

Uber Logo

Uber

Roblox Logo

Roblox

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3 years ago
Frontend System Design
3 years ago
What method would you use to create a self-replicating button that also displays the number of times it has been clicked?
Frontend Engineer

ByteDance

Indeed.com Logo

Indeed.com

Amazon Logo

Amazon

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3 years ago
Javascript
3 years ago
What steps would you take to formulate a reduce() function in JavaScript that leverages a callback for array value reduction?
Frontend Engineer

ByteDance

Ubisoft Logo

Ubisoft

Amazon Web Services Logo

Amazon Web Services

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3 years ago
DOM Manipulation
3 years ago
In what manner would you determine the equivalent node in DOM tree B, given a node from tree A?
Frontend Engineer

ByteDance

Asana Logo

Asana

Epson Logo

Epson

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3 years ago
Javascript
3 years ago
Outline your approach to creating a text parsing function in JavaScript that singles out specific information from a string.
Frontend Engineer

ByteDance

Atlassian Logo

Atlassian

BioWare Logo

BioWare

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3 years ago
Coding
3 years ago
Can you demonstrate how to create a useEffectOnce() hook in React that ensures a single run of an effect in a component's lifecycle?
Frontend Engineer

ByteDance

Braintree Logo

Braintree

WeWork Logo

WeWork

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3 years ago

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

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