day 2 done

.gitignore

@@ -3,4 +3,4 @@ react-for-everyone.md
 component.md
 draft
 
-
+.DS_Store

01_Day_JavaScript_Refresher/MotherlyTechnoAgents/index.js

@@ -0,0 +1,279 @@
+const countries = [
+  'Albania',
+  'Bolivia',
+  'Canada',
+  'Denmark',
+  'Ethiopia',
+  'Finland',
+  'Germany',
+  'Hungary',
+  'Ireland',
+  'Japan',
+  'Kenya',
+];
+
+// console.log(" ----- \n" + countries);
+
+var empty = Array(6);
+
+// console.log(countries[countries.length-countries.length]);
+
+const half = Math.round((countries.length) / 2);
+// console.log(countries[countries.length-half]);
+
+// console.log(countries[countries.length-1]);
+
+var mixedDataTypes = [
+  "Melb",
+  3006,
+  50.00,
+  ["A", "B", "C"],
+  {
+    "address": "100 Check St"
+  },
+  true
+]
+// console.log(mixedDataTypes);
+// console.log(mixedDataTypes.length);
+
+let companies = "Facebook, Google, Microsoft, Apple, IBM, Oracle, Amazon";
+
+let itCompanies = companies.split(", ");
+
+
+let result = itCompanies.indexOf("ABC") != -1 ? itCompanies[itCompanies.indexOf("Apple")] : "company is not found";
+
+var tmpArr = Array();
+for (var i = 0; i < itCompanies.length; i++) {
+  let O_Index = itCompanies[i].indexOf("o");
+  let x = O_Index + 1;
+  let tmpTxt = itCompanies[i].slice(x, itCompanies.length + 1);
+
+  if (tmpTxt.indexOf("o") < 0) {
+    tmpArr.push(itCompanies[i]);
+  }
+
+}
+// console.log(tmpArr);
+// console.log(tmpArr.slice(3));
+// console.log(tmpArr.slice(0, 1));
+// console.log(tmpArr);
+
+let middle_index = Math.round((itCompanies.length - 1) / 2);
+
+// console.log(itCompanies);
+// console.log(itCompanies.slice(middle_index, middle_index + 1));
+
+// splice changes the original array, 
+// if we put this in log then it doesnt change
+// original array
+// if we assign it to another array 
+// it still changes the original array
+//itCompanies.splice(0, itCompanies.length);
+
+
+console.log(itCompanies);
+
+
+let text =
+  'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+
+words = text.replace(/[^A-Za-z0-9\s]/g,"").split(" ");
+
+// console.log(words)
+// console.log(words.length)
+
+const shoppingCart = ['Milk', 'Coffee', 'Tea', 'Honey']
+
+index = shoppingCart.indexOf("Meat");
+
+index < 0 ? shoppingCart.unshift("Meat") : "";
+
+// console.log(shoppingCart);
+shoppingCart.push("Sugar")
+
+honeyIndex = shoppingCart.indexOf("Honey");
+
+shoppingCart.splice(honeyIndex, 1);
+// console.log(shoppingCart);
+
+teaIndex = shoppingCart.indexOf("Tea");
+shoppingCart[teaIndex] = "Green Tea";
+// console.log(shoppingCart);
+
+const frontEnd = ['HTML', 'CSS', 'JS', 'React', 'Redux']
+const backEnd = ['Node', 'Express', 'MongoDB']
+
+fullStack = frontEnd.concat(backEnd);
+
+// console.log(fullStack)
+
+// console.log(countries);
+// console.log(countries.slice(0,4))
+
+let first_half, second_half ;
+if (!(countries.length % 2 == 0)) {
+  countries.unshift("India");
+} 
+
+middle_index = ( countries.length / 2 ) - 1;
+
+// console.log(countries);
+// first_half = countries.slice(0, middle_index+1);
+// console.log(first_half);
+
+// second_half = countries.slice(middle_index+1, countries.length);
+// console.log(second_half);
+
+// var user = prompt("what is your name?");
+// console.log("Hi ", user);
+
+// for(c of countries) {
+//   console.log(c);
+// }
+
+// for(c in countries) {
+//   console.log(c);
+// }
+
+// countries.forEach((val, i, arr) => {
+//   console.log(val + " | " + i );
+// });
+
+
+const users = {
+  Alex: {
+    email: 'alex@alex.com',
+    skills: ['HTML', 'CSS', 'JavaScript'],
+    age: 20,
+    isLoggedIn: false,
+    points: 30
+  },
+  Asab: {
+    email: 'asab@asab.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'Redux', 'MongoDB', 'Express', 'React', 'Node'],
+    age: 25,
+    isLoggedIn: false,
+    points: 50
+  },
+  Brook: {
+    email: 'daniel@daniel.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux'],
+    age: 30,
+    isLoggedIn: true,
+    points: 50
+  },
+  Daniel: {
+    email: 'daniel@alex.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'Python'],
+    age: 20,
+    isLoggedIn: false,
+    points: 40
+  },
+  John: {
+    email: 'john@john.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'React', 'Redux', 'Node.js'],
+    age: 20,
+    isLoggedIn: true,
+    points: 50
+  },
+  Thomas: {
+    email: 'thomas@thomas.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'React'],
+    age: 20,
+    isLoggedIn: false,
+    points: 40
+  },
+  Paul: {
+    email: 'paul@paul.com',
+    skills: ['HTML', 'CSS', 'JavaScript', 'MongoDB', 'Express', 'React', 'Node'],
+    age: 20,
+    isLoggedIn: false,
+    points: 40
+  }
+}
+
+let resul = {};
+resul.hightest = 0; 
+resul.numOfLoggedUsers = 0;
+resul.pointsUsers = 0;
+for ( u in users ) {
+  skills = users[u].skills.length; 
+  if (skills > resul.hightest) {
+    resul.hightest = skills;
+    resul.skilledUser = u;
+  }
+  if (users[u].isLoggedIn) {
+    resul.numOfLoggedUsers += 1;
+  }
+  if (users[u].points >= 50) {
+    resul.pointsUsers += 1;
+  }
+
+}
+
+resul.mernUser = [];
+for ( [key, value] of Object.entries(users)) {
+    if (['MongoDB','Express','React','Node'].every(val => value.skills.includes(val))){
+      resul.mernUser.push(key);
+    }
+  
+}
+
+// to get all keys
+// const keys = Object.keys(copyPerson)
+
+
+// const entries = Object.entries(users)
+// console.log(entries)
+
+let personAccount = {
+  firstName: null,
+  lastName: null,
+  incomes: {
+    "income": null,
+    "description": null
+  },
+  expenses: {
+    "income": null,
+    "description": null
+  },
+  totalIncome: function(){},
+  totalExpense: function(){},
+  accountInfo: function(){},
+  addIncome: function(){},
+  accountBalance: function(){}
+};
+
+// array destructuring
+
+const fullStac = [
+  ['HTML', 'CSS', 'JS', 'React'],
+  ['Node', 'Express', 'MongoDB'],
+]
+
+for (const [first, second, third, fourth] of fullStac) {
+  console.log(first, second, third, fourth);
+}
+
+
+// react hooks stuff
+const [x, y] = [2, (value) => value ** 2]
+
+console.log(y(x));
+
+
+// object destructuring
+
+const rectangle = {
+  width: 20,
+  height: 10,
+}
+
+let { width, height } = rectangle
+
+
+
+let someArr = ["sad","aSD","Asd"];
+
+console.log(someArr.slice(0,someArr.length));

01_Day_JavaScript_Refresher/MotherlyTechnoAgents/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "MotherlyTechnoAgents",
+  "type": "module",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC"
+}