added the twitter creation date extension

twitter-creation-date/background.html

@@ -0,0 +1,19 @@
+<script>
+chrome.extension.onRequest.addListener(
+  function(request, sender, sendResponse) {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", "https://api.twitter.com/1/users/show/"+ request.screen_name + ".json", true);
+    xhr.send();
+    xhr.onreadystatechange = function() {
+      if (xhr.readyState == 4) {
+        if (xhr.status == 200)  {
+          sendResponse(JSON.parse(xhr.responseText));	  
+        } else {
+          sendResponse({});
+        }
+      }
+    }
+  }
+);
+
+</script>

twitter-creation-date/content_script.js

@@ -0,0 +1,37 @@
+// Update created_at value on profile page.
+function creation_updatePage(response) {
+  if(response.created_at) {
+    var created_at = new Date(response.created_at);
+    $('#creation_stat').text(created_at.toDateString());
+  }
+}
+
+// Identify and validate profile and initiate API call.
+var page = $('meta[name=page-user-screen_name]')[0];
+var primary = $('#primary_nav');
+if(page && primary) {
+  insertLi('http://abrah.am/', '???');
+  chrome.extension.sendRequest({screen_name: page.content},  creation_updatePage);
+}
+
+// Insert <li> into profile page
+function insertLi(link, text) {
+  var stat = $('<span>' + text + '</span>');
+  stat.addClass('stat_count');
+  stat.attr('id', 'creation_stat');
+
+  var title = $('<span>Created</span>');
+
+  var anchor = $('<a href="' + link + '"></a>');
+  anchor.attr('target', '_blank');
+  anchor.attr('id', 'creation_anchor');
+  anchor.attr('title', 'Twitter Creation extension built by Abraham Williams (@abraham)');
+  anchor.append(stat).append(title);
+
+  var tab = $('<li></li>');
+  tab.attr('id', 'creation_tab');
+  tab.append(anchor);
+
+  var nav = $('#primary_nav');
+  nav.append(tab);  
+}