finished level 2. Started level 3

2 years ago · 2d6f8f825d
parent b5716fc91d
commit 2d6f8f825d
5 changed files with 112 additions and 30 deletions
--- a/solutions/day-01/countries.js
+++ b/solutions/day-01/countries.js
@ -1,15 +0,0 @@
 const countries = [
    'Albania',
    'Bolivia',
    'Canada',
    'Denmark',
    'Ethiopia',
    'Finland',
    'Germany',
    'Hungary',
    'Ireland',
    'Japan',
    'Kenya',
  ]
 export { countries };
--- a/solutions/day-01/level2.js
+++ b/solutions/day-01/level2.js
@ -1,8 +1,29 @@
-import { countries } from "./countries";
+const countries = [
-// import { webTechs } from "./web_tech";
+    'Albania',
    'Bolivia',
    'Canada',
    'Denmark',
    'Ethiopia',
    'Finland',
    'Germany',
    'Hungary',
    'Ireland',
    'Japan',
    'Kenya',
  ];
 const webTechs = [
    'HTML',
    'CSS',
    'JavaScript',
    'React',
    'Redux',
    'Node',
    'MongoDB',
  ]
 /**
- * EXERCISE: Level 2
+ * EXERCISE: LEVEL 2
 */
 // 1. Create a separate countries.js file and store the countries array into this file, 
@ -32,4 +53,23 @@ console.log(shoppingCart);
 // 4. In countries array check if 'Ethiopia' exist in the array if it exists print 'ETHIOPIA'. If it does not exist add
 //    to the countries list
-console.log(countries)
+if (countries.includes("Ethiopia")) {
    console.log('ETHIOPIA');
 } else {
    countries.push('Ethiopia');
 }
 // 5. In webTechs array check is Sass exists in the array and if it exists print 'Sass is a CSS preprocess'. 
 //    If it does not exist add Sass to the array and print the array
 if (webTechs.includes('Sass')) {
    console.log('Sass is a CSS preprocess');
 } else {
    webTechs.push('Sass');
    console.log(webTechs);
 }
 // 6. Concatenate the following two variable and store it in a fullStack variable
 const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux'];
 const backEnd = ['Node', 'Express', 'MongoDB'];
 const fullStack = frontEnd.concat(backEnd);
 console.log(fullStack);
--- a/solutions/day-01/level3.js
+++ b/solutions/day-01/level3.js
@ -0,0 +1,59 @@
 /**
 * EXERCISE: LEVEL 3
 */
 const countries = [
    'Albania',
    'Bolivia',
    'Canada',
    'Denmark',
    'Ethiopia',
    'Finland',
    'Germany',
    'Hungary',
    'Ireland',
    'Japan',
    'Kenya',
  ]
 /**
 * 1. The following is an array of 10 students ages.
 * - Sort the array and find the min and max age
 * - Find the median age(one middle item or two middle items divided by two)
 * - Find the average age(all items divided by number of items)
 * - Find the range of the ages(max minus min)
 * - Compare the value of (min - average) and (max - average), use abs() method
 */
 const ages = [19, 22, 19, 24, 20, 25, 26, 24, 25, 24]
 ages.sort()
 let min = Math.min(...ages)
 let max = Math.max(...ages)
 let median
 if (ages.length % 2 === 0) {
    median = (ages[ages.length / 2] + ages[ages.length / 2 - 1]) / 2 
 } else {
    median = ages[ages.length / 2]
 }
 let sum = 0
 for (let i = 0; i < ages.length; i++) {
    sum += ages[i]
 }
 let average = sum / ages.length
 let range = Math.max(...ages) - Math.min(...ages)
 // 2. Slice the first ten coutries from the countries array
 let firstTen = countries.slice(10)
 // 3. Find the middle countries in the countries array
 let middleCountries = countries[Math.floor(countries.length / 2)]
 // 4. Divide the countries array into two equal arrays if it is even. If countries is not even, one more country for the first half
 let middle = Math.floor((countries.length - 1) / 2)
 const firstHalf = countries.splice(0, middle)
 const secondHalf = countries.splice(-middle)
--- a/solutions/day-01/web_tech.js
+++ b/solutions/day-01/web_tech.js
@ -1,11 +0,0 @@
 const webTechs = [
    'HTML',
    'CSS',
    'JavaScript',
    'React',
    'Redux',
    'Node',
    'MongoDB',
  ];
  export { webTechs };
--- a/solutions/index.html
+++ b/solutions/index.html
@ -0,0 +1,9 @@
 <!DOCTYPE html>
 <html>
    <head>
        <title>Solutions Tester</title>
    </head>
    <body>
        <script src="day-01/level3.js"></script>
    </body>
 </html>