Instruction: Explain the concept of Web Workers and provide a use case.
Context: This question evaluates the candidate's understanding of HTML5's Web Workers feature and their ability to leverage it for background tasks in web applications.
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For example, in my previous role as a Front-End Developer at a leading tech company, we were tasked with creating a complex web application that required significant data processing for rendering visualizations based on user inputs. Recognizing the potential performance impact this could have on the main thread, and thereby the user experience, we leveraged Web Workers to offload this heavy computation.
The implementation involved creating a dedicated JavaScript file for the worker and utilizing the Worker() constructor to spawn a new worker thread. This worker was...