-javascript (3) Print a list from the end of the head

Print List title description from tail to head

Enter a list to print the values of each node of the list from the end of the head.

Implementation code

/* function ListNode (x) {    this.val = x;    This.next = null;} */ function Printlistfromtailtohead (head) {    var res=[];      while (head) {        res.unshift (head.val);        Head=head.next;    }     return Res;}

Related knowledge

Create a linked list and implement the INSERT, delete, add method

functionLinkedList () {varNode=function(val) { This. val=Val;  This. next=NULL; }   varLength=0; varHead=NULL;  This. append=function(val) {varNode=NewNode (val), current; if(head==NULL) {Head=node; }Else{ Current=Head;  while(current.next) { current=Current.next; } Current.next=node; } length++;   };  This. removeat=function(POS) {if(Pos>-1 && pos<length) {        varCurrent=Head, Previous, index=0; if(pos===0) {Head=Current.next; }Else{             while(index++<POS) {Previous=Current ; Current=Current.next; } length--; Previous.next=Current.next; }         }Else{             return NULL;   }   };  This. insertat=function(pos,val) {if(Pos>=0 && Pos <=length) {               varNode=NewNode (), current=Head, Previous, index=0; if(pos===0) {Head=node; }Else{                 while(index++<POS) {Previous=Current ; Current=Current.next; } Node.next=Current ; Previous.next=node; } length++; return true; }Else{               return NULL; }   };}

-javascript (3) Print a list from the end of the head