From fc6d9b228ba95e1e820f43b4a1e0d2e08f8240e7 Mon Sep 17 00:00:00 2001
From: hok7z <hok7zv@tutanota.com>
Date: Wed, 27 Nov 2024 15:18:02 +0200
Subject: [PATCH 1/3] First commit

---
 Exercises/1-hoisting.js     |  5 ++++-
 Exercises/2-by-value.js     |  2 +-
 Exercises/3-by-reference.js |  6 ++++--
 Exercises/4-count-types.js  | 12 +++++++++++-
 4 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/Exercises/1-hoisting.js b/Exercises/1-hoisting.js
index 09200261..86ac68b1 100644
--- a/Exercises/1-hoisting.js
+++ b/Exercises/1-hoisting.js
@@ -1,5 +1,8 @@
 'use strict';
 
-const fn = null;
+const fn = () => {
+  console.log({ x });
+  var x = 5;
+};
 
 module.exports = { fn };
diff --git a/Exercises/2-by-value.js b/Exercises/2-by-value.js
index f576b24e..25959d68 100644
--- a/Exercises/2-by-value.js
+++ b/Exercises/2-by-value.js
@@ -1,5 +1,5 @@
 'use strict';
 
-const inc = null;
+const inc = (n) => ++n;
 
 module.exports = { inc };
diff --git a/Exercises/3-by-reference.js b/Exercises/3-by-reference.js
index 74638ecd..06de70f9 100644
--- a/Exercises/3-by-reference.js
+++ b/Exercises/3-by-reference.js
@@ -1,7 +1,9 @@
 'use strict';
 
-const inc = (obj) => {
-  console.log(obj);
+const inc = (num) => {
+  if (typeof num === 'object') {
+    num.n++;
+  }
 };
 
 module.exports = { inc };
diff --git a/Exercises/4-count-types.js b/Exercises/4-count-types.js
index 4c9545af..9d12ad00 100644
--- a/Exercises/4-count-types.js
+++ b/Exercises/4-count-types.js
@@ -1,5 +1,15 @@
 'use strict';
 
-const countTypesInArray = null;
+const countTypesInArray = (ArrayOfTypes) => {
+  const countTypes = {};
+  for (const item of ArrayOfTypes) {
+    const type = typeof item;
+    let count = countTypes[type];
+    count = count ? count++ : count = 0;
+    countTypes[type] = count;
+  };
+
+  return countTypes;
+};
 
 module.exports = { countTypesInArray };

From 60e0436bf8d467b5dc46adb5a2e80453fa9ea06b Mon Sep 17 00:00:00 2001
From: hok7z <hok7zv@tutanota.com>
Date: Wed, 27 Nov 2024 15:24:08 +0200
Subject: [PATCH 2/3] Add hoisting to Exercises.ua.md

---
 Exercises.ua.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Exercises.ua.md b/Exercises.ua.md
index 0e1e49b1..ff8bc992 100644
--- a/Exercises.ua.md
+++ b/Exercises.ua.md
@@ -1,5 +1,8 @@
 # Вправи
 
+## Підняття
+- Напишіть функцію, що містить в собі змінну з підняттям.
+
 ## Скалярні типи та посилання
 
 Підготуйте дві реалізації функції `inc`:

From 91231286d9e9b1967a4769e6c663b3579b699644 Mon Sep 17 00:00:00 2001
From: hok7z <hok7zv@tutanota.com>
Date: Wed, 27 Nov 2024 17:33:48 +0200
Subject: [PATCH 3/3] Fix countTypesInArray

---
 Exercises/4-count-types.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Exercises/4-count-types.js b/Exercises/4-count-types.js
index 9d12ad00..cef3d3e4 100644
--- a/Exercises/4-count-types.js
+++ b/Exercises/4-count-types.js
@@ -4,10 +4,9 @@ const countTypesInArray = (ArrayOfTypes) => {
   const countTypes = {};
   for (const item of ArrayOfTypes) {
     const type = typeof item;
-    let count = countTypes[type];
-    count = count ? count++ : count = 0;
-    countTypes[type] = count;
-  };
+    const count = countTypes[type] ? countTypes[type] : 0;
+    countTypes[type] = count + 1;
+  }
 
   return countTypes;
 };