Javascript Interview Questions

1,680 javascript interview questions shared by candidates

- 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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