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Coding
2 years ago
What steps would you take to implement a useEffectOnce() hook in React that runs a particular effect only once?
Frontend Engineer

Epson

Braintree

WeWork

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2 years ago
Coding
2 years ago
Can you outline a method to create a phone number input component in React that formats and validates inputs instantaneously?
Frontend Engineer

Epson

Ubisoft

Kaspersky Lab

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2 years ago
Javascript
2 years ago
What's your approach to implementing an expiring localStorage feature in JavaScript?
Frontend Engineer

Epson

Verizon Logo

Verizon

Casio Logo

Casio

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2 years ago
Javascript
2 years ago
How would you create a JavaScript function that arranges a string array in lexicographical sequence?
Frontend Engineer

Epson

Salesforce Logo

Salesforce

Epic Games Logo

Epic Games

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2 years ago
Javascript
3 years ago
Can you illustrate a JavaScript function that translates integers into Roman numerals?
Frontend Engineer

Epson

Adobe Logo

Adobe

Unity Technologies Logo

Unity Technologies

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3 years ago
Coding
3 years ago
For recursive navigation menus, how do you plan to highlight the active item effectively?
Frontend Engineer

Epson

PopCap Games Logo

PopCap Games

Lyft Logo

Lyft

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3 years ago
Javascript
3 years ago
Please walk me through the process of implementing an event emitter class in JavaScript, including the on, emit, and off functionalities.
Frontend Engineer

Epson

Canva Logo

Canva

Amazon Web Services Logo

Amazon Web Services

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3 years ago
Javascript
3 years ago
Would you be able to construct a square div with an associated list of color swatches, and implement interactivity in JS for color blending on selection?
Frontend Engineer

Epson

Coinbase Logo

Coinbase

Panda Security Logo

Panda Security

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3 years ago
DOM Manipulation
3 years ago
Can you detail the process of locating a node in DOM tree B, equivalent to a given node in tree A?
Frontend Engineer

Epson

Asana Logo

Asana

King Logo

King

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3 years ago
Behavioral
3 years ago
Could you explain how you incorporate SEO into your project workflows?
Frontend Engineer

Epson

Plarium Logo

Plarium

Rockstar Games Logo

Rockstar Games

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3 years ago

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Epson

Frontend Engineer

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

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