A look at an example task an interviewer might give you and all the details of how you could approach and and what they are watching for.

Frontend Masters is an online learning platform offering  courses on frontend development technologies such as JavaScript, HTML, CSS, React, and Vue.js. Readers can learn about advanced frontend concepts, best practices, and modern development workflows from industry experts. With video lectures, exercises, and real-world projects, Frontend Masters provides  guidance and expertise for mastering frontend development skills.

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A walkthrough of a real frontend interview challenge (Bar Chart component in React) asked at Atlassian, covering the full solution step by step. The key insight emphasized is that communication and explaining your thought process during coding is the top trait interviewers look for. The guide covers fetching data from a mock API, component architecture decisions (separating BarChart and Bar components, keeping API calls in the parent), CSS flexbox layout for the chart, relative bar height calculation, loading/error state handling, and common mistakes candidates make. Interviewer evaluation criteria across HTML/CSS, JavaScript, and React are also detailed.

The Top Trait Companies Look For in a Technical Interview – Frontend Masters Blog