CDAPTracker proposed signature

gistfile1.js

// node.js mode:

var CDAPTracker = require('cask-cdaptracker');
var tracker = new CDAPTracker({
  endpoint: 'https://somehost.domain.tld/path/foo/bar'
});

tracker.track({hello: 'world'}) // it returns a promise
  .then(function (response) {
    console.log('the world was tracked!', response)
  });

//----------------------------------------------
// browser mode:

  (function(CDAPTracker) {
    
    var tracker = new CDAPTracker({
      endpoint: 'https://somehost.domain.tld/path/foo/bar'
    });

    document.getElementById("#somebutton").addEventListener('click', function() {
      tracker.track({foo: 'bar', desc: 'somebutton was clicked'});
    });

  })(window.CDAPTracker);