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Javascript
2 years ago
How would you go about implementing the promisify() function to convert callback functions to Promise-based in JavaScript?
Frontend Engineer

TeamViewer

Zoom

Paradox Interactive

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2 years ago
Javascript
2 years ago
What technique would you adopt to develop custom implementations of the Array.prototype methods like flat, map, reduce, and concat in JavaScript?
Frontend Engineer

TeamViewer

Square Logo

Square

Dropbox Logo

Dropbox

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2 years ago
Javascript
2 years ago
Could you show me how to develop a JavaScript function for string interpolation that substitutes placeholders with actual values?
Frontend Engineer

TeamViewer

Sony Logo

Sony

Crytek Logo

Crytek

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2 years ago
Behavioral
2 years ago
In your experience, how is pagination best implemented in the Front End?
Frontend Engineer

TeamViewer

WeWork Logo

WeWork

GoDaddy Logo

GoDaddy

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2 years ago
Coding
2 years ago
Can you create a function that splits a color array into unique and duplicate arrays, and explain how to do this efficiently in terms of big O complexity?
Frontend Engineer

TeamViewer

Rare Logo

Rare

Olympus Logo

Olympus

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2 years ago
Coding
2 years ago
How do you plan to develop a tic tac toe game that processes inputs from two players, checks input validity, and determines the game's end, with a 2D array representing the board?
Frontend Engineer

TeamViewer

SolarWinds Logo

SolarWinds

Creative Assembly Logo

Creative Assembly

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2 years ago
Coding
2 years ago
In React, how can you implement the useIsMounted() hook to reflect whether a component is mounted?
Frontend Engineer

TeamViewer

Colossal Order Logo

Colossal Order

Lyft Logo

Lyft

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2 years ago
Coding
2 years ago
Can you outline the steps to create a useEffectOnce() hook in React that initiates an effect only a single time?
Frontend Engineer

TeamViewer

Braintree Logo

Braintree

WeWork Logo

WeWork

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2 years ago
Javascript
2 years ago
What would be your approach to developing the getElementsByStyle function in JavaScript, aimed at locating elements with a given CSS style, and how would you navigate the DOM?
Frontend Engineer

TeamViewer

HCL Technologies Logo

HCL Technologies

Creative Assembly Logo

Creative Assembly

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2 years ago
Javascript
2 years ago
Could you devise a way to find the singular integer in an array where every other number appears twice?
Frontend Engineer

TeamViewer

LG Electronics Logo

LG Electronics

Indeed.com Logo

Indeed.com

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2 years ago

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