From 44a9706a1b5296766fc34ffe9adf628ba1e5d135 Mon Sep 17 00:00:00 2001
From: vitpavlenko <vitaliypavlenko01@gmail.com>
Date: Thu, 22 Nov 2018 22:07:22 +0200
Subject: [PATCH] overwrite link next

---
 JavaScript/6-doubly-proto.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/JavaScript/6-doubly-proto.js b/JavaScript/6-doubly-proto.js
index 62e5a21..d2324aa 100644
--- a/JavaScript/6-doubly-proto.js
+++ b/JavaScript/6-doubly-proto.js
@@ -20,6 +20,7 @@ LinkedList.prototype.pop = function() {
   if (this.length === 0) return null;
   const node = this.last;
   this.last = node.prev;
+  this.last.next = null;
   node.list = null;
   node.prev = null;
   node.next = null;