diff --git a/modernizr/modernizr-tests.ts b/modernizr/modernizr-tests.ts
index abb1752934..86355a3100 100644
--- a/modernizr/modernizr-tests.ts
+++ b/modernizr/modernizr-tests.ts
@@ -47,4 +47,8 @@ $(function () {
 
     var elem;
     Modernizr.hasEvent('gesturestart', elem);
+	
+    if (!Modernizr.autofocus) {
+          $("[autofocus]").focus();
+    }
 });
diff --git a/modernizr/modernizr.d.ts b/modernizr/modernizr.d.ts
index fd8f5291f6..ae02c0113a 100644
--- a/modernizr/modernizr.d.ts
+++ b/modernizr/modernizr.d.ts
@@ -47,6 +47,7 @@ interface InputTypesboolean {
 }
 
 interface ModernizrStatic {
+    autofocus: boolean;
     fontface: boolean;
     backgroundsize: boolean;
     borderimage: boolean;