usage.js

var isDev = true;
var token = "your rake token";
var rakeJSVersion = 1.5;
(function(e,b){var versionConnector=rakeJSVersion==""?"":"-"; if(!b.__SV){var a,f,i,g;window.mixpanel=b;a=e.createElement("script");a.type="text/javascript";a.async=!0;if(isDev){a.src='https://pg.rake.skplanet.com:8443/log/resources/js/rake-skp.test'+versionConnector+rakeJSVersion+'.min.js';}else{a.src='https://rake.skplanet.com:8443/log/resources/js/rake-skp'+versionConnector+rakeJSVersion+'.min.js';};f=e.getElementsByTagName("script")[0];f.parentNode.insertBefore(a,f);b._i=[];b.init=function(a,e,d){function f(b,h){var a=h.split(".");2==a.length&&(b=b[a[0]],h=a[1]);b[h]=function(){b.push([h].concat(Array.prototype.slice.call(arguments,0)))}}var c=b;"undefined"!==typeof d?c=b[d]=[]:d="mixpanel";c.people=c.people||[];c.toString=function(b){var a="mixpanel";"mixpanel"!==d&&(a+="."+d);b||(a+=" (stub)");return a};c.people.toString=function(){return c.toString(1)+".people (stub)"};i="disable collect flush track track_pageview track_links track_forms register register_once alias unregister identify name_tag set_config people.set people.set_once people.increment people.append people.track_charge people.clear_charges people.delete_user".split(" ");for(g=0;g<i.length;g++)f(c,i[g]);b._i.push([a,e,d])};b.__SV=1.2}})(document,window.mixpanel||[]);mixpanel.init(token);

// collect, flush usage
mixpanel.collect(shuttle1.get());
mixpanel.collect(shuttle2.get());
mixpanel.flush();

// invalid collect usage
shuttle.setDevice_model('GT-I9600');
mixpanel.collect(shuttle.get()); 
shuttle.setDevice_model('GT-I9700');
mixpanel.collect(shuttle.get()); // DO NOT REUSE EXISINTG SHUTTLE!
mixpanel.flush(); 

// always create shuttle when call `collect`
var shuttle1 = new Shuttle();
shuttle.setDevice_model('GT-I9600');
mixpanel.collect(shuttle1.get()); 
var shuttle2 = new Shuttle();
shuttle.setDevice_model('GT-I9700');
mixpanel.collect(shuttle2.get());
mixpanel.flush();