Clear links to the deleted item (#4)

DimaTkachev · web-flow · commit cff484337f8d · 2021-02-10T07:58:47.000Z
diff --git a/JavaScript/3-dequeue.js b/JavaScript/3-dequeue.js
@@ -26,6 +26,7 @@ class Dequeue {
       this.last = null;
     } else {
       this.last = element.prev;
+      this.last.next = null;
     }
     return element.item;
   }
@@ -50,6 +51,7 @@ class Dequeue {
       this.last = null;
     } else {
       this.first = element.next;
+      this.first.prev = null;
     }
     return element.item;
   }
