Created
February 23, 2015 19:19
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meetup.com raffle page
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| <html> | |
| <head> | |
| </head> | |
| <body> | |
| <div>And the winnder is <span id='winner'></span>!!!!</div> | |
| <br/> | |
| <br/> | |
| <button id='pickWinner'>Pick Next Winner</button> | |
| <script> | |
| var queryString = function () { | |
| // This function is anonymous, is executed immediately and | |
| // the return value is assigned to QueryString! | |
| var query_string = {}; | |
| var query = window.location.search.substring(1); | |
| var vars = query.split("&"); | |
| for (var i=0;i<vars.length;i++) { | |
| var pair = vars[i].split("="); | |
| // If first entry with this name | |
| if (typeof query_string[pair[0]] === "undefined") { | |
| query_string[pair[0]] = pair[1]; | |
| // If second entry with this name | |
| } else if (typeof query_string[pair[0]] === "string") { | |
| var arr = [ query_string[pair[0]], pair[1] ]; | |
| query_string[pair[0]] = arr; | |
| // If third or later entry with this name | |
| } else { | |
| query_string[pair[0]].push(pair[1]); | |
| } | |
| } | |
| return query_string; | |
| } (); | |
| var rsvps | |
| function myCallback(rsvpsJsonp){ | |
| rsvps = rsvpsJsonp.results; | |
| } | |
| document.getElementById('pickWinner').onclick = function(e){ | |
| var winnerIndex = Math.floor((Math.random() * rsvps.length) + 0); | |
| var winnerLink = document.createElement("a"); | |
| winnerLink.innerHTML = rsvps[winnerIndex].member.name; | |
| winnerLink.href = 'http://www.meetup.com/milwaukeejs/members/' + rsvps[winnerIndex].member.member_id; | |
| winnerLink.target = '_blank'; | |
| document.getElementById('winner').innerHTML = winnerLink.outerHTML; | |
| rsvps.splice(winnerIndex, 1); | |
| } | |
| function getRsvps() { | |
| var baseUrl = 'https://api.meetup.com/2/rsvps?&sign=true&photo-host=public&rsvp=yes&event_id={0}&key={1}&callback=myCallback' | |
| baseUrl = baseUrl.replace('{0}', queryString.eventId); | |
| baseUrl = baseUrl.replace('{1}', queryString.key); | |
| var head = document.head; | |
| var script = document.createElement("script"); | |
| script.setAttribute("src", baseUrl); | |
| head.appendChild(script); | |
| head.removeChild(script); | |
| } | |
| getRsvps(); | |
| </script> | |
| </body> | |
| </html> |
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