Milvus is an open-source database designed for vector search, offering robust scalability for various loads. It's ideal for machine learning deployments and includes best-of-class tooling like the JavaScript client. In this tutorial, we'll guide you through setting up a development environment with Milvus Lite and the Milvus node.js SDK(Client). We'll cover connecting to a server, creating databases and collections, inserting data, performing queries and searches, and more. With these tools, working with vector data in JavaScript using Milvus becomes simple and efficient.