karataev · November 17, 2020 08:46 · Nov 17, 2020
diff --git a/walkTree.js b/walkTree.js
@@ -0,0 +1,21 @@
+function padding(depth) {
+  return new Array(depth).fill(' ').join('');
+}
+
+function walk(node, depth) {
+  if (node.nodeType === 1) {
+    console.log(padding(depth) + node.tagName);
+    let children = Array.from(node.childNodes);
+    children.forEach(item => walk(item, depth + 1));
+  } else if (node.nodeType === 3) {
+    let text = node.textContent.trim();
+    if (text) console.log(padding(depth) + text);
+  }
+}
+
+function walkTree(selector) {
+  let root = document.querySelector(selector);
+  walk(root, 0);
+}
+
+walkTree('#root');