Javascript Developer Interview Questions

1,200 javascript developer 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

Create a React application with a UserCard component to display user information, a list page showing a collection of UserCard components, and a detail page with additional user details, fetching the user data from an external API.
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Mid JavaScript Developer

Interviewed at Newfold Digital

3.4
Aug 27, 2024

Create a React application with a UserCard component to display user information, a list page showing a collection of UserCard components, and a detail page with additional user details, fetching the user data from an external API.

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