Performance improvement. detect API implementation first (extreme imp…

…ortant for old IEs)
deminew · Aug 11, 2011 · e8a67be · e8a67be
1 parent 7fcf7b5
commit e8a67be
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/feature-detects/elem-details.js b/feature-detects/elem-details.js
@@ -1,8 +1,13 @@
 // By @mathias, based on http://mths.be/axh
 Modernizr.addTest('details', function() {
     var doc = document,
-        el = doc.createElement('details'),
-        de = doc.documentElement,
+        el = doc.createElement('details');
+    //test fast API implementation
+    if( !('open' in el) ){
+        return false;
+    }
+    //interface implemented, detected UI implementation
+    var de = doc.documentElement,
         fake,
         root = doc.body || (function() {
             fake = true;