Actualización

web/assets/modernizr/feature-detects/forms-fileinput.js

@@ -0,0 +1,13 @@
+
+
+// Detects whether input type="file" is available on the platform
+// E.g. iOS < 6 and some android version don't support this
+
+//  It's useful if you want to hide the upload feature of your app on devices that
+//  don't support it (iphone, ipad, etc).
+
+Modernizr.addTest('fileinput', function() {
+    var elem = document.createElement('input');
+    elem.type = 'file';
+    return !elem.disabled;
+});