Fix minor bug

andreyvolokitin · andreyvolokitin · commit a488cd668c29 · 2014-05-31T15:20:54.000+04:00
diff --git a/jquery.keyframes.js b/jquery.keyframes.js
@@ -63,7 +63,9 @@
 
             css = PrefixFree.prefixCSS(css + "}");
 
-            css += css.replace(prefix, '');
+            if (prefix.length) {
+                css += css.replace(prefix, '');
+            }
 
             $frameStyle = $("style#" + frameData.name);
 
