day 1 partially done, finishing later in day

2 years ago · 1a74b42a1d
parent 8b41cd49c3
commit 1a74b42a1d
5 changed files with 125 additions and 0 deletions
--- a/solutions/day-1/countries.js
+++ b/solutions/day-1/countries.js
@ -0,0 +1,13 @@
 const countries = [
  'Albania',
  'Bolivia',
  'Canada',
  'Denmark',
  'Ethiopia',
  'Finland',
  'Germany',
  'Hungary',
  'Ireland',
  'Japan',
  'Kenya',
 ];
--- a/solutions/day-1/index.html
+++ b/solutions/day-1/index.html
@ -0,0 +1,17 @@
 <!DOCTYPE html>
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>30DaysOfScript:Inline Script</title>
  </head>
  <body>
    <button onclick="alert('Welcome to 30DaysOfJavaScript!')">Click Me</button>
    <script src="countries.js"></script>
    <script src="web_tech.js"></script>
    <!-- <script src="script.js"></script> -->
    <script src="main.js"></script>
  </body>
 </html>
--- a/solutions/day-1/main.js
+++ b/solutions/day-1/main.js
@ -0,0 +1,12 @@
 let text =
  'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.';
 let words = text.split(' ');
 console.log(words);
 console.log(words.length);
 const shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey'];
 for (let i = 0; i < shoppingCart.length; i++) {
  if (arraydoesntcontainmeat) {
    //add meat
  }
 }
--- a/solutions/day-1/script.js
+++ b/solutions/day-1/script.js
@ -0,0 +1,74 @@
 // 1. Declare an empty array;
 const emptyArr = [];
 // 2. Declare an array with more than 5 number of elements
 const fiveArr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 // 3. Find the length of your array
 console.log(fiveArr.length);
 // 4. Get the first item, the middle item and the last item of the array
 console.log('First Item is: ', fiveArr[0]);
 console.log('Middle Item is: ', fiveArr[Math.floor(fiveArr.length / 2)]);
 console.log('Last Item is: ', fiveArr[fiveArr.length - 1]);
 // 5. Declare an array called mixedDataTypes, put different data types in the array and find the length of the array. The array size should be greater than 5
 const mixedDataTypes = [2, true, null, undefined, 'd', Symbol()];
 console.log(mixedDataTypes.length);
 // 6. Declare an array variable name itCompanies and assign initial values Facebook, Google, Microsoft, Apple, IBM, Oracle and Amazon
 const itCompanies = [
  'Facebook',
  'Google',
  'Microsoft',
  'Apple',
  'IBM',
  'Oracle',
  'Amazon',
 ];
 // 7. Print the array using console.log()
 console.log(itCompanies);
 // 8. Print the number of companies in the array
 console.log(itCompanies.length);
 // 9. Print the first company, middle and last company
 console.log(
  itCompanies[0],
  itCompanies[Math.floor(fiveArr.length / 2)],
  itCompanies[itCompanies.length - 1]
 );
 // 10. Print out each company
 itCompanies.forEach((element) => {
  console.log(element);
 });
 // 11. Change each company name to uppercase one by one and print them out
 itCompanies.forEach((element) => {
  console.log(element.toUpperCase());
 });
 // 12. Print the array like as a sentence: Facebook, Google, Microsoft, Apple, IBM,Oracle and Amazon are big IT companies.
 console.log(itCompanies.toString(), 'are big IT companies');
 // 13. Check if a certain company exists in the itCompanies array. If it exist return the company else return a company is not found
 function contains(arr, company) {
  if (arr.includes(company)) {
    console.log('we have this company!');
  } else {
    console.log('company not found!');
  }
 }
 contains(itCompanies, 'Snapchat'); //false
 contains(itCompanies, 'IBM'); //true
 // 14. Filter out companies which have more than one 'o' without the filter method
 // 15. Sort the array using sort() method
 console.log(itCompanies.sort());
 // 16. Reverse the array using reverse() method
 console.log(itCompanies.reverse());
 // 17. Slice out the first 3 companies from the array
 console.log(itCompanies.slice(2));
 // 18. Slice out the last 3 companies from the array
 console.log(itCompanies.slice(-3));
 // 19. Slice out the middle IT company or companies from the array
 console.log(itCompanies.slice([itCompanies.length / 2]));
 // 20. Remove the first IT company from the array
 console.log(itCompanies.pop());
 // 21. Remove the middle IT company or companies from the array
 console.log(itCompanies.splice([itCompanies.length / 2]));
 // 22. Remove the last IT company from the array
 console.log(itCompanies.splice(itCompanies.length - 1));
 // 23. Remove all IT companies
 console.log(itCompanies.splice());
--- a/solutions/day-1/web_tech.js
+++ b/solutions/day-1/web_tech.js
@ -0,0 +1,9 @@
 const webTechs = [
  'HTML',
  'CSS',
  'JavaScript',
  'React',
  'Redux',
  'Node',
  'MongoDB',
 ];