Add text boxes to Fuzzing window to make it easy to set the bytes

directly and to show feedback while fuzzing is running.

help/_static/jquery.js

@@ -9,7 +9,7 @@
  * Released under the MIT license
  * https://jquery.org/license
  *
- * Date: 2019-01-30T03:06Z
+ * Date: 2019-04-19T06:52Z
  */
 ( function( global, factory ) {
 
@@ -261,8 +261,9 @@ jQuery.extend = jQuery.fn.extend = function() {
 				src = target[ name ];
 				copy = options[ name ];
 
+				// Prevent Object.prototype pollution
 				// Prevent never-ending loop
-				if ( target === copy ) {
+				if ( name === "__proto__" || target === copy ) {
 					continue;
 				}