Top 25+ Most Asked Front end Developer Interview Questions and Answers

Asynchronous functions do not stall the program’s execution, and each instruction is performed after the one before it, even if the prior command hasn’t computed the result. The preceding command keeps running in the background until it is complete and then loads the result. As a result, these functions are referred to become a front end developer as non-blocking functions. Asynchronous functions are often favored over synchronous functions because they do not prevent the program from running until it has completed processing, whereas synchronous functions do. Isn’t technically a tag or element; it’s simply a directive to the browser about the document type.

Moving forward with the new Fabric architecture everyone will be impacted. We have React, React Native, and Node.js developers available on a contract or full-time basis. When preparing for an interview, it’s important to put yourself in the interviewer’s shoes! If you’ve ever been on the other side of the table, draw on those experiences. They are likely in the middle of a workday with “Interview” on their calendar.

What do you understand by Semantic HTML? How does it work?

Flask uses thread local objects internally so that user don’t have to pass objects around from function to function within a request in order to stay threadsafe. This approach is useful, but it requires a valid request context for dependency injection or when attempting to reuse code which uses a value pegged to the request. Users often have different preferences when it comes to browsers, so it’s important for your company to provide the same exceptional experience, no matter how they choose to access your website. Browser compatibility can be a pain to troubleshoot, so this question can give you a real insight into a candidate’s patience. Local Storage – This data is stored on the client’s computer. This data has no expiration, however, it is limited only to string data.

This W3 Schools page contains a handy table comparing the two. I let them know that while design is a creative field, I have always been interested in designing for the user, and coding is no different. Whether creating a design or writing code the interesting part to me was the end result for the user. This question can help the interviewer understand how you work with other team members and your ability to adapt. Your answer should show that you are willing to collaborate with others, even if it’s not always in your role to do so. The interviewer may ask this question to learn more about your ability to adapt and grow as a developer.

What is the difference between HTML elements and tags?

Another option is to use a package such as Bootstrap, which already contains the code to deal with the browser-specific styling problem. Load balancing is a way of allocating and processing requests across several devices rather than a single device. This guarantees that the load is distributed efficiently and does not rely on a single location.