add nodes to binary tree js
class Node {
constructor(data) {
this.data = data;
this.left = null;
this.right = null;
}
insert(data) {
if (data < this.data && this.left) {
this.left.insert(data);
} else if (data < this.data) {
this.left = new Node(data);
}
if (data > this.data && this.right) {
this.right.insert(data);
} else if (data > this.data) {
this.right = new Node(data);
}
}
}