Principal UI Engineer Interview Questions | Glassdoor

Principal UI Engineer Interview Questions

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Principal ui engineer interview questions shared by candidates

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Explain async operation.On a click of a button initiates two XHR request. How would you provide a status updated when two XHR request has been completed.

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Explained with callback function. Interviewer was not convinced and wanted it with 'Promise'

Clone a object in javascript.

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What is the difference between '==' & '===' in javascript.

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During phone interview basic JavaScript questions were asked and asked to write a function that sums up an array of numbers, the length of the array is not fixed. I believe the whole intention was to find if one know the concept of 'arguments'

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I was asked specific questions about my background, and how that would apply to the work at Roblox. I was also asked about my interests and what I would want to do at the company.

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