fix(jqLite): ignore incompatible nodes on find()

When a jqLite collection contains text nodes, find() does not work :-(

This fix ignores all nodes than can't do getElementsByTagName()

It seems a little bit faster than testing nodeType : http://jsperf.com/nodetype-vs-duck-typing

Closes #4120

1 files changed, 5 insertions, 1 deletions

diff --git a/src/jqLite.js b/src/jqLite.js
index 218efe24..e7531fb3 100644
--- a/src/jqLite.js
+++ b/src/jqLite.js
@@ -822,7 +822,11 @@ forEach({
   },
 
   find: function(element, selector) {
-    return element.getElementsByTagName(selector);
+    if (element.getElementsByTagName) {
+      return element.getElementsByTagName(selector);
+    } else {
+      return [];
+    }
   },
 
   clone: jqLiteClone,