mirror Binary Tree - Node.js Data Structure

Node.js examples for Data Structure:Binary Tree

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Description

mirror Binary Tree

Demo Code


var BinaryTree = function (val) {
  this.val = val;/* w  ww . ja v  a2 s. c om*/
  this.left = null;
  this.right = null;
};

BinaryTree.prototype.insert = function (val) {
  if (val === this.val) {
    return;
  } else if (val <= this.val) {
    if (this.left === null) {
      this.left = new BinaryTree(val);
    } else {
      this.left.insert(val);
    }
  } else {
    if (this.right === null) {
      this.right = new BinaryTree(val);
    } else {
      this.right.insert(val);
    }
  }
};

var mirrorBinaryTree = function (root) {
  var mirroredBinaryTree = new BinaryTree(root.val);

  if (root.left) {
    mirroredBinaryTree.right = mirrorBinaryTree(root.left);
  }

  if (root.right) {
    mirroredBinaryTree.left = mirrorBinaryTree(root.right);
  }

  return mirroredBinaryTree;
};

var test1 = new BinaryTree(15);
test1.insert(7);
test1.insert(22);
test1.insert(12);
test1.insert(5);
test1.insert(50);
test1.insert(17);

console.log(test1, '\n', mirrorBinaryTree(test1));

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