dropbox-client.js

var Dropbox = require("dropbox");

// Browser-side applications do not use the API secret.
var client = new Dropbox.Client({
  token: "your-token"
});

client.authenticate(function(error, client) {
  if (error) {
    return console.log(error);
  }
  client.makeUrl("user1.bin", function(error, status) {
    if (error) {
      return console.log(error);  // Something went wrong.
    }
    console.log("File status ", status);
  })
});