TDengine/docs/examples/node/nativeexample/connect.js

//A cursor also needs to be initialized in order to interact with TDengine from Node.js.
const taos = require("@tdengine/client");
var conn = taos.connect({
  host: "127.0.0.1",
  user: "root",
  password: "taosdata",
  config: "/etc/taos",
  port: 0,
});
var cursor = conn.cursor(); // Initializing a new cursor

//Close a connection
conn.close();