SOURCE

/**
 * 遍历数组
 */
const arr = [1,2,3,4,5];

function bianArr(arr) {
    if (!Array.isArray(arr)) return;
    for(let i = 0; i < arr.length; i++) {
        console.log(arr[i]);
    }
}

bianArr(arr);



/**
 * 遍历链表
 */

function Node(value) {
    this.value = value;
    this.next = null;
}

const node1 = new Node(1);
const node2 = new Node(2);
const node3 = new Node(3);
const node4 = new Node(4);
const node5 = new Node(5);

node1.next = node2;
node2.next = node3;
node3.next = node4;
node4.next = node5;
node5.next = null;

function bianLink(node) {
    let tempNode = node;
    while(true) {
        if (tempNode !== null) {
            console.log(tempNode.value);
        } else {
            break;
        }
        tempNode = tempNode.next;
    }
}

bianLink(node1);