diff --git a/www/js/script.js b/www/js/script.js
index 231c6da..ac4bf34 100644
--- a/www/js/script.js
+++ b/www/js/script.js
@@ -1,18 +1,68 @@
 
 // https://www.geeksforgeeks.org/html/difference-between-domcontentloaded-and-load-events/
 // Performance for my useCase (modify NAV and FOOTER)
-
+// https://stackoverflow.com/questions/44329324/cannot-read-property-symbolsymbol-iterator-of-undefined
+/*
 document.addEventListener("DOMContentLoaded", 
     function(e) {
         console.log("DOMContentLoaded triggered !");
-            // for (document.querySelector("nav")
-    });
 
+        var topEl  = document.getElementsByTagName("nav"); // maybe header
+        var listLI = topEl[0].getElementsByTagName("li");
+
+
+document.getElementById("");
+ //       var allA = listLI.getElementsByTagName("a");
+// topEl.
+
+listLI.forEach(nodeLI => {console.log(nodeLI.innerHTML);});
+*/
+/*
+allA.forEach(node => {
+    console.log(node);
+});
+
+*/
+/*
+        // let myNav = document.getElementsByTagName("nav");
+        // myNav.getElementsByTagName("a")
+        for (child of allA){
+            console.log(child.innerHTML);
+        }
+*/            // for (document.querySelector("nav")
+//    });
+
+
+/*!SECTION
+
+// .textContent
+// .innerHTML
+
+
+const parent = document.getElementById("myParent");
+const children = parent.children;
+
+for (let i = 0; i < children.length; i++) {
+  const child = children[i];
+  // Perform actions on the child element
+  console.log(child.textContent);
+}
+
+
+for (let i = 0; i < children.length; i++) {
+  const child = children[i];
+  // Perform actions on the child element
+  console.log(child.TagName);
+console.log(child.textContent);… 
+
+
+*/
 
 // javascript console output DOM tree
 // https://stackoverflow.com/questions/50305257/how-to-console-log-entire-html-dom-tree-in-order-with-attribute-names
 // https://developer.mozilla.org/en-US/docs/Web/API/TreeWalker
 
+/*
 var walker = document.createTreeWalker(
   document.documentElement,
   NodeFilter.SHOW_ELEMENT // only elements
@@ -25,7 +75,7 @@ while (walker.nextNode()) {
     [...current.attributes].map(({value,name}) => `${name}=${value}`).join()
   );
 }
-
+*/
 
 // Needed for image loaded and fetched : Not on local computer.
 /*    https://www.geeksforgeeks.org/html/difference-between-domcontentloaded-and-load-events/