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

…cker

Signed-off-by: Andrew Robert Nicols <andrew.nicols@luns.net.uk>
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1 parent 5c8860f commit db23afadac4941589cbc97f79dc9c729fb099ed0 @brentboghosian brentboghosian committed with andrewnicols Mar 6, 2013
Showing with 5 additions and 0 deletions.
  1. +5 −0 lib/yui/formchangechecker/formchangechecker.js
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5 lib/yui/formchangechecker/formchangechecker.js
@@ -21,6 +21,11 @@ YUI.add('moodle-core-formchangechecker',
initializer : function(config) {
var formid = 'form#' + this.get('formid');
+ if (!currentform) {
+ // If the form was not found, then we can't check for changes.
+ return;
+ }
+
// Add change events to the form elements
var currentform = Y.one(formid);
currentform.delegate('change', M.core_formchangechecker.set_form_changed, 'input', this);

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