From 75fa643113df0f08a4c8adaf00a7abbb5e9f4664 Mon Sep 17 00:00:00 2001
From: S-N-O-R-L-A-X <S-N-O-R-L-A-X@users.noreply.github.com>
Date: Sun, 4 Dec 2022 10:14:51 +0800
Subject: [PATCH] feat: add code in js

---
 .../chapter_stack_and_queue/stack.js          | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 codes/javascript/chapter_stack_and_queue/stack.js

diff --git a/codes/javascript/chapter_stack_and_queue/stack.js b/codes/javascript/chapter_stack_and_queue/stack.js
new file mode 100644
index 0000000..1b2e83b
--- /dev/null
+++ b/codes/javascript/chapter_stack_and_queue/stack.js
@@ -0,0 +1,28 @@
+/**
+ * File: stack.js
+ * Created Time: 2022-12-04
+ * Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com)
+ */
+
+/* 初始化栈 */
+// Javascript 没有内置的栈类，可以把 Array 当作栈来使用 
+const stack = [];
+
+/* 元素入栈 */
+stack.push(1);
+stack.push(3);
+stack.push(2);
+stack.push(5);
+stack.push(4);
+
+/* 访问栈顶元素 */
+peek = stack[stack.length - 1];
+
+/* 元素出栈 */
+pop = stack.pop();
+
+/* 获取栈的长度 */
+size = stack.length;
+
+/* 判断是否为空 */
+is_empty = stack.length === 0;