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Full Stack Javascript Developer Interview Questions

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60 full stack javascript developer interview questions shared by candidates

The second part of code challenge was very unexpected. Because they provide an algorithm that was wrote very badly. In the time of code challenge I can't focus on this code (I want to wrote my algorithm, I can't imagined why I must correct this code, I can write better code in a short time. So I consume a lot of time for nothing.
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Javascript Software Engineer, Full Stack

Interviewed at Battlefy

3.9★
Dec 17, 2014

The second part of code challenge was very unexpected. Because they provide an algorithm that was wrote very badly. In the time of code challenge I can't focus on this code (I want to wrote my algorithm, I can't imagined why I must correct this code, I can write better code in a short time. So I consume a lot of time for nothing.

- variable hoisting - event loop - javascript variable scope - difference between let, const, var, function - typecasting in javascript - difference between primary data type & wrapper classes - call by value & call by reference - AWS services like EC2, S3, SQS, SNS, ECR, lambda, step functions - system design for big data download from database using AWS services
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Senior Full Stack Javascript Developer

Interviewed at Velotio

4★
Aug 6, 2023

- variable hoisting - event loop - javascript variable scope - difference between let, const, var, function - typecasting in javascript - difference between primary data type & wrapper classes - call by value & call by reference - AWS services like EC2, S3, SQS, SNS, ECR, lambda, step functions - system design for big data download from database using AWS services

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