minor fixes

Author: iliakan

2-ui/1-document/02-dom-nodes/article.md

@@ -51,7 +51,7 @@ The DOM represents HTML as a tree structure of tags. Here's how it looks:
 <div class="domtree"></div>
 
 <script>
-let node1 = {"name":"HTML","nodeType":1,"children":[{"name":"HEAD","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"\n  "},{"name":"TITLE","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"About elk"}]},{"name":"#text","nodeType":3,"content":"\n"}]},{"name":"#text","nodeType":3,"content":"\n"},{"name":"BODY","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"\n  The truth about elk.\n\n\n"}]}]}
+let node1 = {"name":"HTML","nodeType":1,"children":[{"name":"HEAD","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"\n  "},{"name":"TITLE","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"About elk"}]},{"name":"#text","nodeType":3,"content":"\n"}]},{"name":"#text","nodeType":3,"content":"\n"},{"name":"BODY","nodeType":1,"children":[{"name":"#text","nodeType":3,"content":"\n  The truth about elk.\n"}]}]}
 
 drawHtmlTree(node1, 'div.domtree', 690, 320);
 </script>