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Javascript
2 years ago
Describe the steps to create an event emitter class in JavaScript, including the key methods: on, emit, and off.
Frontend Engineer

TikTok

Canva

Amazon Web Services

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2 years ago
Behavioral
2 years ago
Tell me about a time when you had to finish a project with someone you didn't get along with.
Frontend EngineerData Engineering ManagerEngineering ManagerUX Designer

TikTok

Amazon

Figma

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2 years ago
Behavioral
2 years ago
Explain a process within your role you learned/developed at your previous job, which you feel will be valuable in your future position at TikTok
Frontend Engineer

TikTok

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2 years ago
Coding
2 years ago
When implementing an API call to fetch flags, what caching strategy would you use, how would you assess performance, and how would you handle server failures?
Frontend Engineer

TikTok

ESET Logo

ESET

Naughty Dog Logo

Naughty Dog

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2 years ago
Behavioral
2 years ago
How did you overcome a challenge you've faced in a previous role where you had a lot of responsibility?
Frontend EngineerBackend EngineerProduct ManagerSoftware Engineer

TikTok

MyGlamm Logo

MyGlamm

HubSpot Logo

HubSpot

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2 years ago
Javascript
2 years ago
Can you demonstrate how to flatten a nested array in JavaScript with an example?
Frontend Engineer

TikTok

GREE Logo

GREE

AT&T Logo

AT&T

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2 years ago
Coding
2 years ago
In your experience, how do you create a useFocus() hook in React for setting focus on a chosen element?
Frontend Engineer

TikTok

Apple Logo

Apple

GREE Logo

GREE

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2 years ago
Javascript
2 years ago
Can you demonstrate the process of creating a two-way binding in JavaScript, ensuring an input field's changes are immediately mirrored in another element?
Frontend Engineer

TikTok

Google Logo

Google

Carbonite Logo

Carbonite

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2 years ago
Frontend System Design
2 years ago
How would you go about creating a carousel widget with customizable transitions and navigation for rotating images or content?
Frontend Engineer

TikTok

Meta Logo

Meta

Grubhub Logo

Grubhub

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2 years ago
Javascript
2 years ago
In your experience, how do you craft a JavaScript map() function that alters each array element using a provided callback?
Frontend Engineer

TikTok

King Logo

King

Lyft Logo

Lyft

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2 years ago

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

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