Merge pull request #685 from MITx/kimth/fix-widow-js

Kimth/fix widow js

lms/templates/courseware/courseware.html

@@ -39,19 +39,22 @@
 
     $(function(){
         $(".ui-accordion-header a, .ui-accordion-content .subtitle").each(function() {
-          var wordArray = $(this).text().split(" ");
+          var elemText = $(this).text().replace(/^\s+|\s+$/g,''); // Strip leading and trailing whitespace
+          var wordArray = elemText.split(" ");
           var finalTitle = "";
-          if ($.isEmptyObject(wordArray)) {
+          if (wordArray.length > 0) {
             for (i=0;i<=wordArray.length-1;i++) {
               finalTitle += wordArray[i];
               if (i == (wordArray.length-2)) {
                 finalTitle += "&nbsp;";
+              } else if (i == (wordArray.length-1)) {
+                // Do nothing
               } else {
                 finalTitle += " ";
               }
             }
-            $(this).html(finalTitle);
           }
+          $(this).html(finalTitle);
         });
       });
   </script>