Use window.location rather than window.location.toString()

window.location is simpler, and works fine given the stringifier on the
Location interface.  This makes the example slightly simpler.

I got here from w3ctag/design-reviews#221.

Author: dbaron

index.html

@@ -135,7 +135,7 @@ <h2>
   &lt;body&gt;
     &lt;script&gt;
       window.addEventListener('load', () =&gt; {
-        var parsedUrl = new URL(window.location.toString());
+        var parsedUrl = new URL(window.location);
         console.log('Title shared: ' + parsedUrl.searchParams.get('name'));
         console.log('Text shared: ' + parsedUrl.searchParams.get('description'));
         console.log('URL shared: ' + parsedUrl.searchParams.get('link'));