walker started

walker.js

@@ -0,0 +1,34 @@
+
+const set = new Set();
+function Walk(obj, parentObject, propertyName, path=[])
+{
+    if(obj !== null && typeof obj === "object")
+    {
+        if(set.has(obj))
+        {
+            console.log("ive been to", obj, "quitting");
+            return;
+        }
+        else
+        {
+            set.add(obj);
+            console.log("ive never seen", obj, "here are its fields:");
+            console.log("-----------------");
+            for(let key in obj)
+            {
+                const val = obj[key];
+                console.log(key, val);
+                Walk(val, obj, key);
+            }
+            console.log("-----------------");
+        }
+    }
+    else
+    {
+        console.log(obj, "is a leaf")
+    }
+}
+
+const root = {hey:"1", deep:{}, arr:["a", "b"]};
+root.circ = root;
+Walk(root);