Update JavaScript and TypeScript codes for all chapters, rename JavaScript and TypeScript import folder to modules (#402)

* Update JavaScript and TypeScript codes

* Rename JavaScript and TypeScript import folder to modules

codes/javascript/modules/ListNode.js

@@ -0,0 +1,51 @@
+/**
+ * File: ListNode.js
+ * Created Time: 2022-12-12
+ * Author: IsChristina (christinaxia77@foxmail.com)
+ */
+
+/**
+ * Definition for a singly-linked list node
+ */
+class ListNode {
+    val;
+    next;
+    constructor(val, next) {
+        this.val = (val === undefined ? 0 : val);
+        this.next = (next === undefined ? null : next);
+    }
+}
+
+/**
+ * Generate a linked list with an array
+ * @param arr
+ * @return
+ */
+function arrToLinkedList(arr) {
+    const dum = new ListNode(0);
+    let head = dum;
+    for (const val of arr) {
+        head.next = new ListNode(val);
+        head = head.next;
+    }
+    return dum.next;
+}
+
+/**
+ * Get a list node with specific value from a linked list
+ * @param head
+ * @param val
+ * @return
+ */
+function getListNode(head, val) {
+    while (head !== null && head.val !== val) {
+        head = head.next;
+    }
+    return head;
+}
+
+module.exports = {
+    ListNode,
+    arrToLinkedList,
+    getListNode
+};