Manipulation: Change support test to be WWA-friendly

Setting the innerHTML property in an unsafe manner raises issues in
Windows Web Applications. Strings being passed into innerHTML cannot
include the name attribute.

Closes gh-1537

src/manipulation/support.js

@@ -4,10 +4,17 @@ define([
 
 (function() {
 	var fragment = document.createDocumentFragment(),
-		div = fragment.appendChild( document.createElement( "div" ) );
+		div = fragment.appendChild( document.createElement( "div" ) ),
+		input = document.createElement( "input" );
 
 	// #11217 - WebKit loses check when the name is after the checked attribute
-	div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
+	// Support: Windows Web Apps (WWA)
+	// `name` and `type` need .setAttribute for WWA
+	input.setAttribute( "type", "radio" );
+	input.setAttribute( "checked", "checked" );
+	input.setAttribute( "name", "t" );
+
+	div.appendChild( input );
 
 	// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
 	// old WebKit doesn't clone checked state correctly in fragments