MDL-38356 Forms: Check that the form exists before applying changechecker

Signed-off-by: Andrew Robert Nicols <[email protected]>
2013-03-06 16:43:48 +00:00
parent cce0d9a100
commit 7e21ee683b
1 changed files with 5 additions and 0 deletions
@@ -18,6 +18,11 @@ YUI.add('moodle-core-formchangechecker',
                    var formid = 'form#' + this.get('formid'),
                        currentform = Y.one(formid);

+                    if (!currentform) {
+                        // If the form was not found, then we can't check for changes.
+                        return;
+                    }
+
                    // Add change events to the form elements
                    currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'input', this);
                    currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'textarea', this);