Front-End Web Dev Interview Preparation

High Level Questions

Can you detail your common development workflow from beginning to end?
What types of things do you consider when trying to build a cross-browser web solution?
What do you do when you don't know how to do something?
How do you continue to learn and sharpen your skills in light of how quickly things change?
What is an exciting project that you've worked on recently?
What makes you most interested about this position?
What is a project you've been on recently that you really enjoyed?
Where do you see yourself in the next 5 years (professionally)?
What area or areas in the Front-End are you weakest at?

What JavaScript frameworks or libraries do you use?
What is the different between querySelector and querySelectorAll?
What is the global namespace and how can you protect against it?
What is an IIFE and why do developers use it? Are there more modern ways to get around using this technqiue?
What is the difference between call, apply, and bind?
What is event delegation and why is it important?
What does the term hoisting mean in JavaScript?
What is the difference between comparing vars with == vs ===
When you compare arrays with JavaScript, what is it doing?

What type of architecture do you use to control the flow of state through your app?
What technique do you use once you find a performance bottleneck in your app?
What is your experience with Immutability in your app?
What is the difference between the Higher Order Component pattern and Render Props?

What tip, tricks, techniques, tools do you use to keep your website/webapp fast?

Be confident in yourself. Share what you know, and admit up-front what you don't.
Be passionate about your craft, but don't be consumed by your craft.
It's okay and preferred to say you don't know something when you are asked.
If you don't know the exact wording or terminology, don't worry. Try explaining the concept with different words.
We want to see someone with a potential to learn, apply, and be mentored.