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PayU

Software Development Engineer 2

Differences Between Variable Declarations

Medium

ROUND 1General KnowledgeCandidate Selected

javascript variables hoisting

Explain the differences between `let`, `const`, and `var`, and include an explanation of hoisting concepts.

This question was asked in

PayU Software Development Engineer 2 Interview Experience

The PayU interview process for the Software Engineer (Frontend) position included one round, focused heavily on technical questions related to JavaScript, React, and Redux. Candidates can expect to address topics ranging from variable declarations, functions, and hooks to deep copying techniques. The overall difficulty level was medium to hard, as various complex concepts were explored, giving candidates a rigorous assessment of their knowledge at PayU.