From 2858c8c0f86a350de59c93df52728f92d9b65e01 Mon Sep 17 00:00:00 2001
From: AranovskyAlex <alexaranovskyi@gmail.com>
Date: Thu, 16 Mar 2023 21:32:17 +0200
Subject: [PATCH 1/2] =?UTF-8?q?=D0=94=D0=BE=D0=BC=D0=B0=D1=88=D0=BA=D0=B0?=
 =?UTF-8?q?=205?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 5_1.js | 26 ++++++++++++++++++++++++++
 5_2.js | 18 ++++++++++++++++++
 5_3.js | 25 +++++++++++++++++++++++++
 3 files changed, 69 insertions(+)
 create mode 100644 5_1.js
 create mode 100644 5_2.js
 create mode 100644 5_3.js

diff --git a/5_1.js b/5_1.js
new file mode 100644
index 0000000..1e71f88
--- /dev/null
+++ b/5_1.js
@@ -0,0 +1,26 @@
+/* const startDateStr = '02 Aug 1985';
+const endDateStr = '03 Aug 1985'; */
+
+const startDateStr = '31 Jan 2022';
+const endDateStr = '03 Feb 2021'
+function dateDiff(startDateStr, endDateStr, unit = 'seconds') {
+  const startDate = new Date(startDateStr);
+  const endDate = new Date(endDateStr);
+  let result = Math.abs(endDate - startDate);
+  switch (unit) {
+    case 'seconds' :
+      result = result / 1000;
+      break;
+    case "minutes" :
+      result = result / 60000;
+      break;
+    case "hours" :
+      result = result / (1000 * 60 * 60);
+      break;
+     case "days" :
+      result = result / (1000 * 60 * 60 * 24);
+      break;
+  }
+  console.log(result);
+}
+dateDiff(endDateStr, startDateStr, 'seconds');
\ No newline at end of file
diff --git a/5_2.js b/5_2.js
new file mode 100644
index 0000000..391ad1e
--- /dev/null
+++ b/5_2.js
@@ -0,0 +1,18 @@
+function optimizer(data) {
+    const result = {};
+for (const [key, value] of Object.entries(data)) {
+    result[key.toLowerCase()] = parseFloat(value).toFixed(2);
+    
+}
+
+    return result;
+};
+
+const priceData = {
+    Apples: '23.4',
+    BANANAS: '48',
+    oRAngGEs: '48.7584',
+};
+
+let updatedPriceData = optimizer(priceData);
+console.log(updatedPriceData)    // {apples: '23.40', bananas: '48.00', oranges: '48.76'}
\ No newline at end of file
diff --git a/5_3.js b/5_3.js
new file mode 100644
index 0000000..beade5c
--- /dev/null
+++ b/5_3.js
@@ -0,0 +1,25 @@
+function recursiveOddSumTo(number) {
+  if (number == 1)
+    return 1;
+  if (number % 2 == 1)
+    return (recursiveOddSumTo(number - 1) + number);
+  
+  return (recursiveOddSumTo(number - 1))
+};
+console.log(recursiveOddSumTo(1)) // 1
+console.log(recursiveOddSumTo(10)) // 25
+
+
+function iterativeOddSumTo(number) {
+  let sum = 0; 
+
+  for (i = 1; i <= number; i++) {
+    if (i % 2 == 1)
+      sum = sum + i;
+  }
+
+  return (sum);
+}
+
+console.log(iterativeOddSumTo(1)) // 1
+console.log(iterativeOddSumTo(10)) // 25
\ No newline at end of file

From ca15830eafb62c09fc59b7792200a21e476134cc Mon Sep 17 00:00:00 2001
From: AranovskyAlex <alexaranovskyi@gmail.com>
Date: Mon, 20 Mar 2023 21:49:12 +0200
Subject: [PATCH 2/2] Fixed after code review

---
 5_1.js | 52 ++++++++++++++++++++++++++++++++++------------------
 5_3.js |  5 ++---
 2 files changed, 36 insertions(+), 21 deletions(-)

diff --git a/5_1.js b/5_1.js
index 1e71f88..1f0cddc 100644
--- a/5_1.js
+++ b/5_1.js
@@ -2,25 +2,41 @@
 const endDateStr = '03 Aug 1985'; */
 
 const startDateStr = '31 Jan 2022';
-const endDateStr = '03 Feb 2021'
-function dateDiff(startDateStr, endDateStr, unit = 'seconds') {
+const endDateStr = '03 Feb 2021';
+function dateDiff(startDateStr = '1 Jan 2022', endDateStr = '1 Jan 2023', unit = 'seconds') {
   const startDate = new Date(startDateStr);
   const endDate = new Date(endDateStr);
-  let result = Math.abs(endDate - startDate);
-  switch (unit) {
-    case 'seconds' :
-      result = result / 1000;
-      break;
-    case "minutes" :
-      result = result / 60000;
-      break;
-    case "hours" :
-      result = result / (1000 * 60 * 60);
-      break;
-     case "days" :
-      result = result / (1000 * 60 * 60 * 24);
-      break;
+  const result = Math.abs(endDate - startDate);
+  const unitDivisor = {
+    'seconds': result / 1000,
+    'minutes': result / 60000,
+    'hours': result / (1000 * 60 * 60),
+    'days': result / (1000 * 60 * 60 * 24)
+    
+
+
   }
-  console.log(result);
+  
+  // switch (unit) {
+  //   case 'seconds' :
+  //     result = result / 1000;
+  //     break;
+  //   case "minutes" :
+  //     result = result / 60000;
+  //     break;
+  //   case "hours" :
+  //     result = result / (1000 * 60 * 60);
+  //     break;
+  //    case "days" :
+  //     result = result / (1000 * 60 * 60 * 24);
+  //     break;
+  // }
+  console.log(unitDivisor[unit]);
 }
-dateDiff(endDateStr, startDateStr, 'seconds');
\ No newline at end of file
+
+dateDiff(endDateStr, startDateStr, 'days');
+
+console.log(result);
+
+
+
diff --git a/5_3.js b/5_3.js
index beade5c..a5e4f1e 100644
--- a/5_3.js
+++ b/5_3.js
@@ -13,9 +13,8 @@ console.log(recursiveOddSumTo(10)) // 25
 function iterativeOddSumTo(number) {
   let sum = 0; 
 
-  for (i = 1; i <= number; i++) {
-    if (i % 2 == 1)
-      sum = sum + i;
+  for (i = 1; i <= number; i += 2) {
+    sum = sum + i;
   }
 
   return (sum);