题解 | #反转链表#
反转链表
http://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca
/*function ListNode(x){
this.val = x;
this.next = null;
}*/
function ReverseList(pHead)
{
// write code here
let prev=null
let curr=pHead
while(curr){
//运用es6解构赋值，一一对应，不需要考虑赋值顺序，不需要定义额外next
[curr.next,prev,curr]=[prev,curr,curr.next]
}
return prev
}
module.exports = {
ReverseList : ReverseList
};