链表
<pre><code class="language-js">//JS没有链表，可以用object 模拟链表const a = { val: 'a'};
const b = { val: 'b'};
const c = { val: 'c'};
const d = { val: 'd'};
a.next = b;
b.next = c;
c.next = d;
//遍历链表
let p = a;
while (p) {
console.log(p.val);
p = p.next;
}
//插入
const e = { val: 'e'}
c.next = e;
e.next = d;
</code></pre><br><br>
来源：https://www.cnblogs.com/knightoffz/p/15685569.html
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