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Javascript

2 years ago

How do you utilize toBe() and not.toBe() in JavaScript testing frameworks, particularly Jest?

Frontend Engineer

Sophos

Tata Consultancy Services (TCS)

Infosys

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2 years ago

Coding

2 years ago

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

Frontend Engineer

Sophos

ESET

Naughty Dog

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2 years ago

Coding

2 years ago

Can you design a class to execute matrix rotation, and clarify the function's input parameters and return values?

Frontend Engineer

Sophos

Playrix

Panasonic

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2 years ago

Javascript

2 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

Sophos

Square

Dropbox

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2 years ago

Javascript

2 years ago

Can you write a JavaScript function to find the intersecting elements of two sorted arrays?

Frontend Engineer

Sophos

Dropbox

Airbnb

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2 years ago

Javascript

2 years ago

How would you design a JavaScript function to turn a date input into a readable string like "1 year ago," and how would you address varying time intervals and localization?

Frontend Engineer

Sophos

Scopely

McAfee

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2 years ago

Javascript

2 years ago

Could you walk us through the process of creating a deep clone function in JavaScript, with a focus on tackling complex data structures and circular references?

Frontend Engineer

Sophos

Carbonite

McAfee

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2 years ago

Coding

2 years ago

In your own words, explain what a hash map is, its importance in data structures, and the key advantages it offers.

Frontend Engineer

Sophos

monday.com

Hitachi

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2 years ago

Javascript

2 years ago

How would you code a JavaScript function to identify the top k most frequent elements in an array?

Frontend Engineer

Sophos

Toshiba

Supercell

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2 years ago

Javascript

2 years ago

In JavaScript, how would you develop a solution for feature flag retrieval that emphasizes performance and effective caching?

Frontend Engineer

Sophos

Wargaming.net

Capcom

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2 years ago

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

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