npm install ser-node

var SerNode = require("ser-node");

var serNode = new SerNode({
  id: "SER_ID",
  secret_key: "SECRET_KEY"
});

serNode.connect();

  serNode.connect(function () {
    serNode.request("top_article/ptt", {
      period: 10
    })
    .then(function (result) {

      // get result data
    });
  });

serNode.connect().then(function () {

  serNode.request("top_article/ptt", {
    period: 10
  })
  .then(function (result) {

    // get result data
  });

})