Tweaked logic for working around Blackberry 4.7 makeArray(RegExp) issue. Fixes #6930.

diff --git a/src/core.js b/src/core.js
index 50ad55d..7fa20d4 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -595,7 +595,9 @@ jQuery.extend({
                        // The extra typeof function check is to prevent crashes
                        // in Safari 2 (See: #3039)
                        // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
-                       if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || typeof array === "function" || typeof array.setInterval !== "undefined" ) {
+                       var type = toString.call(array);
+
+                       if ( array.length == null || type === "[object String]" || type === "[object Function]" || type === "[object RegExp]" || (typeof type !== "function" && array.setInterval) ) {
                                push.call( ret, array );
                        } else {
                                jQuery.merge( ret, array );