Created
December 16, 2019 19:49
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Get node value in a linked list position from tail | JS
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| function getNode(head, positionFromTail) { | |
| var length =0; | |
| var tp = head; | |
| while(tp!==null){ | |
| length++; | |
| tp=tp.next | |
| } | |
| let currentPosition=0; | |
| if(head==null){ | |
| return head; | |
| }else{ | |
| while(currentPosition < length-positionFromTail-1 && head.next!==null){ | |
| head=head.next; | |
| currentPosition++; | |
| } | |
| return(head.data); | |
| } | |
| } |
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