JAVASCRIPT

invert binary tree javascript

function invertTree(head) {
  if (head) {
    var temp = head.left;
    head.left = head.right;
    head.right = temp;

    invertTree(head.left);
    invertTree(head.right);
  }

  return head;
}

invert binary tree js

function invertTree(node) {
  if(!node) return;
  [node.left, node.right] = [node.right, node.left];
  invertTree(node.left);
  invertTree(node.right);
  return node;
}

JavaScript invert binary tree

// invert binary  tree using recursive function

function invertTree(node) {
  if (node && node.left) {
      let left = node.left;
      node.left = node.right;
      node.right = left;
      invertTree(node.right);
      invertTree(node.left);
  }
  return node;
}