Interview Questions for Senior Javascript Developer

Introduction

As a Senior Javascript Developer, you will be responsible for developing and maintaining web applications using Javascript. You will need to have a strong understanding of the language and be able to write efficient code. To ensure that you are the right fit for the job, employers will ask you a variety of questions to assess your knowledge and experience. Here are some of the most common interview questions for Senior Javascript Developers.

Questions About Your Experience

When interviewing for a Senior Javascript Developer position, employers will want to know about your experience with the language. Here are some questions you may be asked:

• What experience do you have with Javascript?
• What projects have you worked on that involved Javascript?
• What challenges have you faced while working with Javascript?
• How do you debug Javascript code?
• What libraries and frameworks have you used with Javascript?

Questions About Your Knowledge

Employers will also want to know about your knowledge of the language. Here are some questions you may be asked:

• What is the difference between == and === in Javascript?
• What is the purpose of the ‘this’ keyword in Javascript?
• What is the difference between a function and a method in Javascript?
• What is the difference between a class and an object in Javascript?
• What is the purpose of the ‘new’ keyword in Javascript?

Questions About Your Problem-Solving Skills

Employers will also want to know about your problem-solving skills. Here are some questions you may be asked:

• How do you approach debugging a complex issue in Javascript?
• How do you optimize code for performance?
• How do you handle errors in Javascript?
• How do you handle asynchronous code in Javascript?
• How do you handle compatibility issues between different browsers?

Questions About Your Communication Skills

Finally, employers will want to know about your communication skills. Here are some questions you may be asked:

• How do you explain complex concepts to non-technical people?
• How do you collaborate with other developers on a project?
• How do you handle feedback from stakeholders?
• How do you handle criticism from colleagues?
• How do you handle difficult conversations with clients?

Summary

As a Senior Javascript Developer, you will need to have a strong understanding of the language and be able to write efficient code. Employers will ask you a variety of questions to assess your knowledge and experience. The questions above are some of the most common interview questions for Senior Javascript Developers.