The article discusses the importance of integrating a pre-call setup in JavaScript applications for virtual meetings. It provides a comprehensive guide on how to implement this feature, ensuring users can engage without interruption. The steps include checking permissions, requesting permissions, rendering device lists, handling device changes, creating media tracks, testing microphones and speakers, assessing network quality, and ensuring correct device selection in the meeting. By following these steps, developers can enhance user satisfaction and position their application as a reliable platform for virtual interactions.