From 737fea9cb1db61a6bd142ea29fd16a7177b53667 Mon Sep 17 00:00:00 2001
From: Krio <git@atik.me>
Date: Fri, 3 Sep 2021 17:37:43 +0700
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B0=20=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=B0=202?=
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---
 labs/lab2/desc.json |  7 +++++++
 labs/lab2/main.js   | 22 ++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 labs/lab2/desc.json
 create mode 100644 labs/lab2/main.js

diff --git a/labs/lab2/desc.json b/labs/lab2/desc.json
new file mode 100644
index 0000000..620b797
--- /dev/null
+++ b/labs/lab2/desc.json
@@ -0,0 +1,7 @@
+{
+    "number": "2",
+    "task": "Подсчитайте общее количество массивов внутри данного массива. Т.к. конвертирование строки в многомерный массив, не самая тривиальная задача, то исходный массив задается внутри кода.\narr = [[1, 2, 3, [1, 2, 3]], [[[]]], 3]",
+    "vars": [[]],
+    "scriptpath": "labs/lab2/main.js",
+    "complete": true
+}
\ No newline at end of file
diff --git a/labs/lab2/main.js b/labs/lab2/main.js
new file mode 100644
index 0000000..420a430
--- /dev/null
+++ b/labs/lab2/main.js
@@ -0,0 +1,22 @@
+"use strict";
+
+function main(formName) {
+	let result = document.getElementById("result");
+	let arr = [
+		[1, 2, 3, [1, 2, 3]],
+		[[[]]],
+		3,
+	];
+	
+	result.textContent = "Результат: " + countArr(arr);
+}
+
+function countArr(item, level = 0) { 
+    if (item instanceof Array) {
+        return (level > 0 ? 1 : 0) +
+			item.map(
+				(value, index) => countArr(value, level + 1)
+			).reduce((a, b) => a + b, 0)
+    }
+    return 0;
+}