Infrastructure: Add title to codepen page (pull #1596)

Author: carmacleod

examples/js/examples.js

@@ -398,7 +398,11 @@ function addOpenInCodePenForm(
     ''
   );
 
+  var path = location.pathname.split('/');
+  var filename =
+    path.length > 0 ? path[path.length - 1].replace('.html', '') : '';
   var postJson = {
+    title: filename,
     html: exampleHtml,
     css: '',
     js: '',