1 files changed, 7 insertions, 1 deletions
diff --git a/railties/html/javascripts/controls.js b/railties/html/javascripts/controls.js
index 9742b69188..a8e7ec7452 100644
--- a/railties/html/javascripts/controls.js
+++ b/railties/html/javascripts/controls.js
@@ -222,7 +222,13 @@ Autocompleter.Base.prototype = {
       return;
     }
 
-    var value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
+    var value = '';
+    if (this.options.select) {
+      var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];
+      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
+    } else
+      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
+
     var lastTokenPos = this.findLastToken();
     if (lastTokenPos != -1) {
       var newValue = this.element.value.substr(0, lastTokenPos + 1);