1 files changed, 10 insertions, 0 deletions
diff --git a/share/www/script/futon.browse.js b/share/www/script/futon.browse.js
index b85e8691..0ff86f94 100644
--- a/share/www/script/futon.browse.js
+++ b/share/www/script/futon.browse.js
@@ -205,6 +205,16 @@
             $.cookies.get(db.name + ".reduce", "")
           );
         }
+        $("#viewcode textarea").change(function() {
+          if (page.viewLanguage == "javascript") {
+            try {
+              var func = eval("(" + $(this).val() + ")");
+              $(this).removeClass("invalid").next(".error").remove();
+            } catch (err) {
+              $(this).addClass("invalid").data("error", err.message);
+            }
+          }
+        });
         page.populateLanguagesMenu();
       }