Startup Weekend World #2 Challenge from Andrew on Vimeo.

What is Startup Weekend?
Startup Weekend is a community building startup event. Get together with local developers, marketers, designers, enthusiasts, and do what you do best. Start projects, Start companies. No talk, all action. The weekend of June 5-7 is Startup Weekend World. Celebrating the news that Startup Weekend is now ‘open’ to anyone to organize. How exciting 20+ cities from around the worl will host their own startup Weekends. No city is too big or small.

What’s its purpose?
Build new startup companies, bring people together, share ideas.

What’s the target market?
Technology, Web Development, Entrepreneurs, Legal, Marketing, Web 2.0, e-Business

What are the requirements?
Be a technology enthusiast, be a Web Junkie, Programmer, IT person, blogger, marketers, lawyer or just have a cool business idea.

Is it FREE?
Yes! It’s Free.

REGISTER FOR THIS EVENT
Register here now for the June 5-7 Event: http://puertorico2.eventbrite.com/

JavaScript

 
  var isEventSupported = (function(){
    var TAGNAMES = {
      'select':'input','change':'input',
      'submit':'form','reset':'form',
      'error':'img','load':'img','abort':'img'
    }
    function isEventSupported(eventName) {
      var el = document.createElement(TAGNAMES[eventName] || 'div');
      eventName = 'on' + eventName;
      var isSupported = (eventName in el);
      if (!isSupported) {
        el.setAttribute(eventName, 'return;');
        isSupported = typeof el[eventName] == 'function';
      }
      el = null;
      return isSupported;
    }
    return isEventSupported;
  })();

Use

isEventSupported(<"Type of Event>")

For a more detailed description visit Kangax blog