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Javascript

3 years ago

How would you code a custom reduce() function in JavaScript to aggregate values in an array using a callback?

Frontend Engineer

Peak Games

Ubisoft

Amazon Web Services

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3 years ago

Javascript

3 years ago

Can you illustrate how to code a function in JavaScript for obtaining the previous sibling of a DOM element?

Frontend Engineer

Peak Games

THQ Nordic

Gas Powered Games

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3 years ago

Behavioral

3 years ago

Could you elaborate on the core principles and mechanics of React?

Frontend Engineer

Peak Games

BioWare

Ricoh

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3 years ago

Javascript

3 years ago

How do you plan to traverse a binary tree vertically in JavaScript and print the nodes in each vertical column?

Frontend Engineer

Peak Games

miHoYo

Plarium

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3 years ago

Coding

3 years ago

How do you plan the most effective route between two points, taking into account the distances and fuel restrictions?

Frontend Engineer

Peak Games

Qualcomm

FromSoftware

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3 years ago

Javascript

3 years ago

What approach would you take to run promises contained in an array in sequence?

Frontend Engineer

Peak Games

Gamigo

Mailchimp

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3 years ago

Javascript

3 years ago

How would you go about coding a custom map() function in JavaScript that applies a callback to each array element?

Frontend Engineer

Peak Games

King

Lyft

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3 years ago

Behavioral

3 years ago

What are your main strategies for doing SEO in projects?

Frontend Engineer

Peak Games

Plarium

Rockstar Games

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3 years ago

Javascript

3 years ago

Could you outline a process to write your own implementations of JavaScript Array.prototype methods such as flat, map, reduce, and concat?

Frontend Engineer

Peak Games

Square

Dropbox

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3 years ago

Coding

3 years ago

How would you go about caching in a flag fetching API implementation, assessing its performance, and managing potential server failures?

Frontend Engineer

Peak Games

ESET

Naughty Dog

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3 years ago

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^*All interview questions are submitted by recent Peak Games candidates, labelled and categorized by Prepfully, and then published after verification by current and ex-Peak Games employees.