Update README.md

Author: blowsie

README.md

@@ -5,6 +5,9 @@ Credit goes to John Resig for his [code](http://ejohn.org/blog/pure-javascript-h
 This code had been updated to fix several problems.
 
 
+### Demo ###
+A working demo can be seen [here](http://htmlpreview.github.io/?https://github.com/blowsie/Pure-JavaScript-HTML-Parser/blob/master/demo.html)
+
 
 ## 4 Libraries in One! ##
 
@@ -89,4 +92,4 @@ While this library doesn’t cover the full gamut of possible weirdness that HTM
     HTMLtoXML("<p>Hello<p>World") == '<p>Hello</p><p>World</p>'
 **Attributes Without Values:**
 
-    HTMLtoXML("<input disabled>") == '<input disabled="disabled"/>'
+    HTMLtoXML("<input disabled>") == '<input disabled="disabled"/>'