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Update DoublyLinkedListNode.js #1075

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Update DoublyLinkedListNode.js #1075

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9 changes: 5 additions & 4 deletions src/data-structures/doubly-linked-list/DoublyLinkedListNode.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,9 @@
export default class DoublyLinkedListNode {
constructor(value, next = null, previous = null) {
this.value = value;
this.next = next;
this.previous = previous;
constructor(value, next = null, previous = null) {//create a constructor.

this.value = value;//the this keyword is used to refer to the object being created pretty much like a memory locatin
this.next = next;//this is to store the address of the next node
this.previous = previous;//this is to store the address of the previous node
}

toString(callback) {
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