Merge 04d45be2c6 into 8b41cd49c3

solutions/DAY-01/ARRAYS/countries.js

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+const countries = [
+    'Albania',
+    'Bolivia',
+    'Canada',
+    'Denmark',
+    'Ethiopia',
+    'Finland',
+    'Germany',
+    'Hungary',
+    'Ireland',
+    'Japan',
+    'Kenya',
+  ]
+  
+ module.exports = countries
+ 

solutions/DAY-01/ARRAYS/level1.js

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+const arr = []
+const arr5 = [1,2,3,4,5,6,7]
+
+
+let mixedDataTypes = [1, 2, 3, "Man", [5,6], ['Man', 'Woman']] 
+console.log("Length of mixedDataType: " + mixedDataTypes.length)
+
+let itCompanies = ['Facebook', 'Google', 'Microsoft', 'Apple', 'IBM', 'Oracle', 'Amazon']
+
+/*console.log("ITCompanies: " + itCompanies)
+console.log("There are " + itCompanies.length + " companies")
+console.log(itCompanies[0])
+console.log(itCompanies[3])
+console.log(itCompanies[itCompanies.length-1])
+*/
+
+for(let i=0; i<itCompanies.length; i++){
+    console.log(" ")
+    console.log(itCompanies[i])
+}
+
+for(let i=0; i<itCompanies.length; i++){
+    itCompanies[i] = itCompanies[i].toUpperCase()
+}
+
+let newitCompanies = itCompanies.pop() 
+newitCompanies.push() 
+
+console.log(newitCompanies)

solutions/DAY-01/ARRAYS/level3.js

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+const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24];
+
+// Sort the array and find the min and max age
+ages.sort((a, b) => a - b);
+const minAge = ages[0];
+const maxAge = ages[ages.length - 1];
+
+// Find the median age (one middle item or two middle items divided by two)
+const middleIndex = Math.floor(ages.length / 2);
+const medianAge = ages.length % 2 === 0 ? (ages[middleIndex - 1] + ages[middleIndex]) / 2 : ages[middleIndex];
+
+// Find the average age (all items divided by number of items)
+const sumOfAges = ages.reduce((total, age) => total + age, 0);
+const averageAge = sumOfAges / ages.length;
+
+// Find the range of the ages (max minus min)
+const ageRange = maxAge - minAge;
+
+// Compare the value of (min - average) and (max - average), use abs() method
+const diffMinAverage = Math.abs(minAge - averageAge);
+const diffMaxAverage = Math.abs(maxAge - averageAge);
+
+console.log(`Sorted array of ages: ${ages}`);
+console.log(`Minimum age: ${minAge}`);
+console.log(`Maximum age: ${maxAge}`);
+console.log(`Median age: ${medianAge}`);
+console.log(`Average age: ${averageAge}`);
+console.log(`Age range: ${ageRange}`);
+console.log(`Absolute difference between minimum age and average age: ${diffMinAverage}`);
+console.log(`Absolute difference between maximum age and average age: ${diffMaxAverage}`);
+
+
+
+const firstTenCountries = countries.slice(0, 10);
+const midd = Math.floor(countries.length / 2);
+const middleCountry = countries[midd];
+
+
+const halfLength = Math.ceil(countries.length / 2);
+const firstHalf = countries.slice(0, halfLength);
+const secondHalf = countries.slice(halfLength);

solutions/DAY-01/ARRAYS/main.js

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+const countries = require('./countries')
+const webTechs = require('./web_techs.js')
+
+
+let text = 'I love teaching and empowering people I teach HTML CSS JS React Python'
+
+const text_arr = text.split(" ")
+console.log(text_arr + "\n" + text_arr.length)
+
+let shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
+shoppingCart.unshift("Meat")
+shoppingCart.pop()
+shoppingCart[3] = "Green Tea"
+shoppingCart.push("Sugar")
+
+
+let num = countries.indexOf("Ethiopia")
+
+if (num = -1) {
+    countries.push("ethiopia")
+    console.log(countries)
+}
+else{
+    console.log("ETHIOPIA")
+}
+
+
+let tech_num = webTechs.indexOf("Sass")
+
+
+if (tech_num = -1){
+    webTechs.push("Sass")
+    console.log(webTechs)
+}
+else{
+    console.log("Sass is a css process")
+}
+
+
+const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux']
+const backEnd = ['Node', 'Express', 'MongoDB']
+
+const fullStack = frontEnd.concat(backEnd)
+
+console.log(fullStack)

solutions/DAY-01/ARRAYS/web_techs.js

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+const webTechs = [
+    'HTML',
+    'CSS',
+    'JavaScript',
+    'React',
+    'Redux',
+    'Node',
+    'MongoDB',
+  ]
+
+  module.exports = webTechs

solutions/DAY-01/CONDITIONALS/level1 copy.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <script>
+        let usrnum = prompt("Enter a number: ")
+
+        if (usrnum%2 == 0) {
+            console.log("this is an even number")
+        }else{
+            console.log("this is an odd number")
+        }
+    </script>
+
+
+</body>
+</html>
+
+
+
+
+
+
+
+
+

solutions/DAY-01/CONDITIONALS/level1.js

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+/*let age = prompt("Enter your age: ")
+
+if (age >= 18){
+    console.log("you are old enough to drive")
+}else {
+    let diff = 18 - age
+    console.log(`You are ${diff} years from driving`)
+}
+
+
+let myage = 20
+
+if (myage > age){
+    let agediff = myage - age
+    console.log(`I am ${agediff} older than you`)
+}else{
+    let agediff = age - myage
+    console.log(`You are ${agediff} older than me`)
+}
+*/
+
+let a = 4
+let b = 3
+
+if (a > b){
+    console.log("a is greater than b\n")
+}else{
+    console.log("a is less than b")
+}
+
+
+a > b ? console.log("a is greater than b") : console.log("a is less than b")
+
+
+let usrnum = prompt("Enter a number: ")
+
+if (usrnum/2 == 0) {
+    console.log("this is an even number")
+}else{
+    console.log("this is an odd number")
+}

solutions/DAY-01/CONDITIONALS/level2.js

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+function getGrade(score) {
+    var grade;
+    switch (true) {
+      case score >= 80:
+        grade = 'A';
+        break;
+      case score >= 70:
+        grade = 'B';
+        break;
+      case score >= 60:
+        grade = 'C';
+        break;
+      case score >= 50:
+        grade = 'D';
+        break;
+      default:
+        grade = 'F';
+    }
+    return grade;
+  }
+
+  
+  function getSeason(month) {
+    var season;
+    switch (month) {
+      case 'September':
+      case 'October':
+      case 'November':
+        season = 'Autumn';
+        break;
+      case 'December':
+      case 'January':
+      case 'February':
+        season = 'Winter';
+        break;
+      case 'March':
+      case 'April':
+      case 'May':
+        season = 'Spring';
+        break;
+      case 'June':
+      case 'July':
+      case 'August':
+        season = 'Summer';
+        break;
+      default:
+        season = 'Invalid month';
+    }
+    return season;
+  }
+  
+
+  function isWeekend(day) {
+    var weekend = ['Saturday', 'Sunday'];
+    return weekend.includes(day);
+  }
+  

solutions/DAY-01/CONDITIONALS/level3.js

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+function daysInMonth(month, year) {
+    return new Date(year, month, 0).getDate();
+  }
+