Fixes #3368 value also has to be parsed.

framework/assets/yii.validation.js

@@ -203,16 +203,16 @@ yii.validation = (function ($) {
                     valid = value !== compareValue;
                     break;
                 case '>':
-                    valid = value > parseFloat(compareValue);
+                    valid = parseFloat(value) > parseFloat(compareValue);
                     break;
                 case '>=':
-                    valid = value >= parseFloat(compareValue);
+                    valid = parseFloat(value) >= parseFloat(compareValue);
                     break;
                 case '<':
-                    valid = value < parseFloat(compareValue);
+                    valid = parseFloat(value) < parseFloat(compareValue);
                     break;
                 case '<=':
-                    valid = value <= parseFloat(compareValue);
+                    valid = parseFloat(value) <= parseFloat(compareValue);
                     break;
                 default:
                     valid = false;