Commit 97926b1

committed

Add comments to Linked List code.

1 parent 5105898 commit 97926b1Copy full SHA for 97926b1

File tree

-0

lines changed

-0

lines changed

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -128,13 +128,17 @@ export default class LinkedList {`
`128`	`128`	`*/`
`129`	`129`	`deleteTail() {`
`130`	`130`	`const deletedTail = this.tail;`
	`131`	`+`
`131`	`132`	`if (this.head === this.tail) {`
`132`	`133`	`// There is only one node in linked list.`
`133`	`134`	`this.head = null;`
`134`	`135`	`this.tail = null;`
`135`	`136`
`136`	`137`	`return deletedTail;`
`137`	`138`	`}`
	`139`	`+`
	`140`	`+ // If there are many nodes in linked list...`
	`141`	`+`
`138`	`142`	`// Rewind to the last node and delete "next" link for the node before the last one.`
`139`	`143`	`let currentNode = this.head;`
`140`	`144`	`while (currentNode.next) {`

Comments

(0)