题解 | #反转链表# js
反转链表
http://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca
var reverseList = function(head) {
if(head === null) return null
let p = null, m = head, n = head.next
while(m !== null){
console.log(m.val)
m.next = p
p = m
m = n
if(n !== null)n = n.next
}
return p
};
