From 2ee76ceae2cb05b6103773b52c8af19fdefd82fb Mon Sep 17 00:00:00 2001
From: andvseti <andrei.vseti@gmail.com>
Date: Sun, 9 Jan 2022 13:30:34 +0200
Subject: [PATCH] Quest completed

---
 Exercises/1-let.js       |  2 +-
 Exercises/2-const.js     |  2 +-
 Exercises/3-hello.js     |  2 +-
 Exercises/4-range.js     |  8 +++++++-
 Exercises/5-range-odd.js |  8 +++++++-
 Exercises/6-calculate.js | 14 ++++++++++----
 Exercises/7-objects.js   | 12 +++++++++++-
 Exercises/8-create.js    |  2 +-
 Exercises/9-array.js     | 11 +++++++++--
 Exercises/a-hash.js      |  8 ++++++--
 10 files changed, 54 insertions(+), 15 deletions(-)

diff --git a/Exercises/1-let.js b/Exercises/1-let.js
index d705443..aee6cc8 100644
--- a/Exercises/1-let.js
+++ b/Exercises/1-let.js
@@ -1,5 +1,5 @@
 'use strict';
 
-let name = undefined;
+let name = 'andvs';
 
 module.exports = { name };
diff --git a/Exercises/2-const.js b/Exercises/2-const.js
index 5512738..9ea5205 100644
--- a/Exercises/2-const.js
+++ b/Exercises/2-const.js
@@ -1,5 +1,5 @@
 'use strict';
 
-const year = undefined;
+const year = 1991;
 
 module.exports = { year };
diff --git a/Exercises/3-hello.js b/Exercises/3-hello.js
index a597391..d5721c5 100644
--- a/Exercises/3-hello.js
+++ b/Exercises/3-hello.js
@@ -1,5 +1,5 @@
 'use strict';
 
-const hello = null;
+const hello = (name) => { console.log(name); };
 
 module.exports = { hello };
diff --git a/Exercises/4-range.js b/Exercises/4-range.js
index 31bd852..48e7586 100644
--- a/Exercises/4-range.js
+++ b/Exercises/4-range.js
@@ -1,5 +1,11 @@
 'use strict';
 
-const range = null;
+const range = (start, end) => {
+  const arr = [];
+  for (let i = start; i <= end; i++) {
+    arr.push(i);
+  }
+  return arr;
+};
 
 module.exports = { range };
diff --git a/Exercises/5-range-odd.js b/Exercises/5-range-odd.js
index 54bb5b4..f1c4dc9 100644
--- a/Exercises/5-range-odd.js
+++ b/Exercises/5-range-odd.js
@@ -1,5 +1,11 @@
 'use strict';
 
-const rangeOdd = null;
+const rangeOdd = (start, end) => {
+  const arr = [];
+  for (let i = start; i <= end; i++) {
+    if (i % 2 !== 0) arr.push(i);
+  }
+  return arr;
+};
 
 module.exports = { rangeOdd };
diff --git a/Exercises/6-calculate.js b/Exercises/6-calculate.js
index dfecf6b..f7239c3 100644
--- a/Exercises/6-calculate.js
+++ b/Exercises/6-calculate.js
@@ -1,11 +1,17 @@
 'use strict';
 
-const square = null;
+const square = (x) => x * x;
 
-const cube = null;
+const cube = (x) => x ** 3;
 
-const average = null;
+const average = (a, b) => (a + b) / 2;
 
-const calculate = null;
+const calculate = () => {
+  const arr = [];
+  for (let index = 0; index <= 9; index++) {
+    arr.push(average(square(index), cube(index)));
+  }
+  return arr;
+};
 
 module.exports = { square, cube, average, calculate };
diff --git a/Exercises/7-objects.js b/Exercises/7-objects.js
index 0920026..435c7bf 100644
--- a/Exercises/7-objects.js
+++ b/Exercises/7-objects.js
@@ -1,5 +1,15 @@
 'use strict';
 
-const fn = null;
+const fn = () => {
+  let obj = { name: '' };
+  const obj1 = { name: '' };
+  obj1.name = 'Andrei';
+  console.dir(obj1);
+  obj = obj1;
+  console.dir(obj);
+  obj.name = 'Marcus';
+  console.dir(obj1);
+  console.dir(obj);
+};
 
 module.exports = { fn };
diff --git a/Exercises/8-create.js b/Exercises/8-create.js
index ac27ddd..f400582 100644
--- a/Exercises/8-create.js
+++ b/Exercises/8-create.js
@@ -1,5 +1,5 @@
 'use strict';
 
-const createUser = null;
+const createUser = (name, city) => ({ name, city });
 
 module.exports = { createUser };
diff --git a/Exercises/9-array.js b/Exercises/9-array.js
index 466c69a..98f908c 100644
--- a/Exercises/9-array.js
+++ b/Exercises/9-array.js
@@ -1,7 +1,14 @@
 'use strict';
 
-const phonebook = null;
+const phonebook = [
+  { name: 'Marcus Aurelius', phone: '+380445554433' },
+  { name: 'Andrei Shneyer', phone: '+380979707970' }
+];
 
-const findPhoneByName = null;
+const findPhoneByName = (name) => {
+  for (const obj of phonebook) {
+    if (obj.name === name) return obj.phone;
+  }
+};
 
 module.exports = { phonebook, findPhoneByName };
diff --git a/Exercises/a-hash.js b/Exercises/a-hash.js
index 466c69a..9d29ede 100644
--- a/Exercises/a-hash.js
+++ b/Exercises/a-hash.js
@@ -1,7 +1,11 @@
 'use strict';
 
-const phonebook = null;
+const phonebook =
+  {
+    'Marcus Aurelius': '+380445554433',
+    'Andrei Shneyer': '+380979707970'
+  };
 
-const findPhoneByName = null;
+const findPhoneByName = (name) => phonebook[name];
 
 module.exports = { phonebook, findPhoneByName };