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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

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

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

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

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

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

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

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

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

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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