LinkList iterator method

linkList.js

export class LinkedList {
    constructor() {
        this.head = null;
    }
  
  *iterator() {
        let temp = this.head;
        while (temp && temp.next) {
            yield temp.value;
            temp = temp.next;
        }

        // capture the last node if non-null
        if (temp) {
            yield temp.value;
        }
    }

    /**
     * Defines an iterator such that callers can easily iterate over LinkedList.
     * ex. 
     * 
     * for (const e of list) {
     *    console.log(e);
     * }
     */
    [Symbol.iterator]() {
        return this.iterator();
    }
}

class Node {
    constructor(value, next = null) {
        this.value = value;
        this.next = next;
    }
}