$ npm install pulsar-client

const Pulsar = require("pulsar-client");

(async () => {
  const client = new Pulsar.Client({
 serviceUrl: "http://*",   //更换为接入地址（控制台集群管理页完整复制）
 authentication: new Pulsar.AuthenticationToken({
   token: "eyJh**",       //更换为密钥
 }),
  });
  await client.close();
})();