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Javascript

2 years ago

Could you write the code for the promisify() function that transforms callback-based functions into Promise-based ones in JavaScript?

Frontend Engineer

Tencent

Zoom

Paradox Interactive

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2 years ago

Coding

2 years ago

How would you develop a useIsMounted() hook in React to indicate a component's mount status?

Frontend Engineer

Tencent

Colossal Order

Lyft

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2 years ago

Javascript

2 years ago

Can you describe the process of developing a function in JavaScript to determine the largest sum of any continuous subarray in an integer array?

Frontend Engineer

Tencent Games

Tencent

Huawei

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2 years ago

Coding

3 years ago

Could you detail the differences between function declarations and expressions?

Frontend Engineer

Tencent

Broadcom

Chewy

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3 years ago

Javascript

3 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

Tencent

Scopely

McAfee

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3 years ago

Behavioral

3 years ago

What is your familiarity with earlier versions of Angular?

Frontend Engineer

Tencent

AMD

Gameloft

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3 years ago

Javascript

3 years ago

Can you create a JavaScript function that transforms integers into Roman numerals?

Frontend Engineer

Tencent

Adobe

Unity Technologies

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3 years ago

Coding

3 years ago

What methods would you employ to enhance a hash map's lookup and insertion efficiency?

Frontend Engineer

Tencent

Squarespace

Infosys

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3 years ago

Javascript

3 years ago

What's your approach to coding a counter object in JavaScript that allows altering the count value up, down, and resetting it?

Frontend Engineer

Tencent Games

Tencent

Supercell

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3 years ago

Javascript

3 years ago

Can you develop a square div along with a list of color swatches, and program interactive functionality in JavaScript to blend colors upon selection?

Frontend Engineer

Tencent

Coinbase

Panda Security

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3 years ago

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