I have completed the day 06, yay!!

06_Day_Loops/06_day_starter/scripts/main.js

@@ -1,2 +1,395 @@
 console.log(countries)
-alert('Open the console and check if the countries has been loaded')
+alert('Open the console and check if the countries has been loaded')
+
+//Exercice 01 
+
+const countries = [
+    'Albania',
+    'Bolivia',
+    'Canada',
+    'Denmark',
+    'Ethiopia',
+    'Finland',
+    'Germany',
+    'Hungary',
+    'Ireland',
+    'Japan',
+    'Kenya'
+  ]
+  
+  const webTechs = [
+    'HTML',
+    'CSS',
+    'JavaScript',
+    'React',
+    'Redux',
+    'Node',
+    'MongoDB'
+  ]
+  
+  const mernStack = ['MongoDB', 'Express', 'React', 'Node'];
+
+  // Exo 01
+  for(let i = 0; i < countries.length; i++) {
+    console.log(countries[i]);
+  }
+  //backforward
+  const words = countries.length;
+  for(let i = words; i >= 0; i--) {
+    console.log(countries[i]);
+  }
+
+  //while loop
+  let i =0;
+  while(i < webTechs.length) {
+    console.log(webTechs[i]);
+    i++;
+  }
+  //backforwar 
+  let i = webTechs.length;
+  while(i>=0){
+    console.log(webTechs[i]);
+    i--;
+  }
+
+  //do ... while loop
+  let x = 0;
+  do{
+    console.log(mernStack[x]);
+    x++;
+  } while(x < mernStack.length);
+  
+  //backforward
+  let w = mernStack.length;
+  do{
+    console.log(mernStack[w]);
+    w--;
+  }while(w >= 0);
+
+  //exo 03
+  let n = 17;
+  for(let i = 0; i <n; i++){
+    console.log(i);
+  }
+
+  //exo 04
+  for(let i = 0; i <= 7; i++){
+    console.log("#".repeat(i));
+  }
+
+  //exo 05
+  for(let i = 0; i <=10; i++){
+    console.log(`${i}*${i} = ${i*i}`);
+  }
+
+  //exo 06
+  console.log("i    i^2     i^3");
+  for(let i = 0; i <=10; i++){
+    console.log(`${i}    ${i**2}     ${i**3}`);
+  }
+
+  //exo 07
+  console.log("Odd numbers between 1 and 100:");
+  for(let i = 0; i <=100; i++){
+    if(i % 2 !== 0){
+        console.log(i);
+    } 
+  }
+  console.log("Even numbers between 1 and 100:");
+  for(let i = 0; i <=100; i++){
+    if(i % 2 === 0){
+        console.log(i);
+    } 
+  }
+
+  //exo 10
+  
+  for(let i = 0; i<=100; i++){
+    sum += i;
+  }
+  console.log("The sum of all the numbers is:", sum);
+
+  //exo 11
+  let i = 0;
+  let sumEven = 0;
+  let sumOdd = 0;
+  for(let i = 0; i<=100; i++){
+    if(i % 2 === 0){
+        sumEven += i;
+  } else {
+    sumOdd += i;
+  }
+}
+console.log("Even sum numbers between 1 and 100:",sumEven,"Odd sum numbers between 1 and 100:",sumOdd);
+
+//exo 12
+
+for(let i = 0; i < 100; i++){
+  if(i % 2 === 0){
+    sumEven += i;
+  } else {
+      sumOdd += i;
+    }
+}
+
+const sums = [sumEven, sumOdd];
+console.log(sums);// [2450, 2500]
+
+//exo 13
+let arr = [];
+for(let i = 0; i < 5; i++){
+  let randomNum = Math.floor(Math.random()*100);
+  arr.push(randomNum);
+}
+console.log(arr);// [55, 27, 92, 60, 54]
+
+//exo 14
+let array = [];
+for(let i = 0; i < 5; i++){
+  let randomNum =  Math.floor(Math.random()*100)+1;
+  if(!array.includes(randomNum)){
+    array.push(randomNum);
+  }
+  
+}
+console.log(array);// [95, 12, 13, 81, 27]
+
+//exo 15
+const characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+let randomId = '';
+
+for (let i = 0; i < 6; i++) {
+  const randomIndex = Math.floor(Math.random() * characters.length);
+  randomId += characters[randomIndex];
+}
+
+console.log(randomId);
+
+//exercice level 02 
+
+//exo 01
+let chars = Math.floor(Math.random() * characters.length) + 1;
+for (let i = 0; i <chars ; i++) {
+  const randomIndex = Math.floor(Math.random() * characters.length);
+  randomId += characters[randomIndex];
+}
+
+console.log(randomId);
+
+//exo 02
+const hexCharacters = '0123456789ABCDEF';
+let randomColor = '#';
+
+for (let i = 0; i < 6; i++) {
+  const randomIndex = Math.floor(Math.random() * hexCharacters.length);
+  randomColor += hexCharacters[randomIndex];
+}
+
+console.log(randomColor);
+
+//exo 03
+const maxColorValue = 256; // One more than the maximum value for a color component
+let randomColors = 'rgb(';
+
+for (let i = 0; i < 3; i++) {
+  const randomComponent = Math.floor(Math.random() * maxColorValue);
+  randomColor += randomComponent;
+
+  if (i < 2) {
+    randomColors += ',';
+  }
+}
+
+randomColors += ')';
+console.log(randomColors);
+
+//exo 04
+let upperCaseCountries = [];
+for (let i = 0; i < countries.length; i++) {
+  let uppercaseCountry = '';
+  for (let j = 0; j < countries[i].length; j++) {
+    const char = countries[i][j];
+    uppercaseCountry += char.toUpperCase();
+  }
+  upperCaseCountries.push(uppercaseCountry);
+}
+console.log(upperCaseCountries);
+
+//exo 05
+let l = [];
+for (let i = 0; i < countries.length; i++) {
+  l.push(countries[i].length);
+}
+console.log(l);
+
+//exo 06
+let ar = [];
+for (let i = 0; i < countries.length; i++){
+  let capital = countries[i].substr(0,3).toUpperCase();
+  let c = countries[i].length;
+  ar.push([countries[i], capital, c]);
+}
+console.log(ar);
+
+//exo 07
+let isLand = [];
+for(let i; i < countries.length; i++){
+  if(countries[i].toLowerCase().includes('land')) {
+    isLand.push(countries[i]);
+  } 
+}
+
+if(isLand.length>0) {
+  console.log(isLand);
+} else {
+  console.log("All these countries are withoun 'land'");
+}
+
+//exo 08
+let isIA = [];
+for(let i=0; i < countries.length; i++){
+  if(countries[i].toLowerCase().endsWith('ia')){
+    isIA.push(countries[i]);
+  }
+}
+if(isIA.length > 0) {
+  console.log(isIA);
+} else {
+  console.log("These are countries ends without ia");
+}
+// ['Albania', 'Bolivia', 'Ethiopia']
+
+//exo 09
+let big = '';
+for(let i=0; i < countries.length; i++){
+  if(countries[i].length> big.length){
+    big = countries[i];
+  } 
+}
+console.log(big);
+
+//exo 10
+let isBig = [];
+for(let i=0; i <countries.length; i++){
+  if(countries[i].length === 5){
+    isBig.push(countries[i]);
+  }
+}
+console.log(isBig);
+
+//exo 11
+let longest = '';
+
+for (let i = 0; i < webTechs.length; i++) {
+  if(webTechs[i].length>longest.length){
+    longest = webTechs[i];
+  }
+}
+console.log(longest);//JavaScript
+
+//exo 12
+let array1 = [];
+for (let i = 0; i < webTechs.length; i++){
+  let c = webTechs[i].length;
+  array1.push([webTechs[i], c]);
+}
+console.log(array1);
+
+//exo 13
+let accronym = '';
+for (let i = 0; i < mernStack.length; i++) {
+  accronym += mernStack[i].charAt(0);
+}
+console.log(accronym);//MERN
+
+//exo 14
+for(const i of webTechs){
+  console.log(webTechs[i];
+}
+
+//exo 15
+let fruits = ['banana', 'orange', 'mango', 'lemon'];
+
+for (let i = fruits.length; i >= 0; i--) {
+  console.log(fruits[i]);
+}
+
+//exo 16
+const fullStack = [
+  ['HTML', 'CSS', 'JS', 'React'],
+  ['Node', 'Express', 'MongoDB']
+];
+
+for (let i = 0; i < fullStack.length; i++){
+  for (let j = 0; j < fullStack[i].length; j++){
+    console.log(fullStack[i][j])
+  }
+}
+
+//exercise level 03
+
+const countries = [
+  'Albania', 'Bolivia', 'Canada', 'Denmark', 'Ethiopia', 'Finland',
+  'Germany', 'Hungary', 'Ireland', 'Japan', 'Kenya', 'Malaysia'
+];
+
+// Create a copy of the array without modifying the original
+const copiedCountries = [...countries];
+
+// Sort the copied array
+const sortedCountries = copiedCountries.slice().sort();
+
+// Sort the webTechs array
+const webTechs = ['HTML', 'CSS', 'JavaScript', 'React', 'Redux', 'Node', 'MongoDB'];
+const sortedWebTechs = webTechs.slice().sort();
+
+// Sort the mernStack array
+const mernStack = ['MongoDB', 'Express', 'React', 'Node'];
+const sortedMernStack = mernStack.slice().sort();
+
+// Extract countries containing 'land'
+const countriesWithLand = [];
+for (let i = 0; i < countries.length; i++) {
+  if (countries[i].toLowerCase().includes('land')) {
+    countriesWithLand.push(countries[i]);
+  }
+}
+
+// Find the country with the highest number of characters
+let longestCountry = '';
+for (let i = 0; i < countries.length; i++) {
+  if (countries[i].length > longestCountry.length) {
+    longestCountry = countries[i];
+  }
+}
+
+// Extract countries containing only four characters
+const countriesWithFourChars = [];
+for (let i = 0; i < countries.length; i++) {
+  if (countries[i].length === 4) {
+    countriesWithFourChars.push(countries[i]);
+  }
+}
+
+// Extract countries containing two or more words
+const countriesWithMultipleWords = [];
+for (let i = 0; i < countries.length; i++) {
+  if (countries[i].includes(' ')) {
+    countriesWithMultipleWords.push(countries[i]);
+  }
+}
+
+// Reverse and capitalize countries array
+const reversedAndCapitalizedCountries = [];
+for (let i = countries.length - 1; i >= 0; i--) {
+  reversedAndCapitalizedCountries.push(countries[i].toUpperCase());
+}
+
+console.log('Sorted Countries:', sortedCountries);
+console.log('Sorted Web Techs:', sortedWebTechs);
+console.log('Sorted MERN Stack:', sortedMernStack);
+console.log('Countries with "land":', countriesWithLand);
+console.log('Country with the most characters:', longestCountry);
+console.log('Countries with four characters:', countriesWithFourChars);
+console.log('Countries with multiple words:', countriesWithMultipleWords);
+console.log('Reversed and Capitalized Countries:', reversedAndCapitalizedCountries);