bitsagarob · prgrmfl · Jul 10, 2019 · Jul 15, 2019 · Jul 15, 2019 · Jul 15, 2019
diff --git a/Week1/homework/background.jpeg b/Week1/homework/background.jpeg
diff --git a/Week1/homework/img/5th_horseman.jpg b/Week1/homework/img/5th_horseman.jpg
diff --git a/Week1/homework/img/da_vinci_code.jpg b/Week1/homework/img/da_vinci_code.jpg
diff --git a/Week1/homework/img/duc_man.jpg b/Week1/homework/img/duc_man.jpg
diff --git a/Week1/homework/img/hunger games 1.jpg b/Week1/homework/img/hunger games 1.jpg
diff --git a/Week1/homework/img/hunger_games_mockingjay.jpg b/Week1/homework/img/hunger_games_mockingjay.jpg
diff --git a/Week1/homework/img/improbable.jpg b/Week1/homework/img/improbable.jpg
diff --git a/Week1/homework/img/miserables.jpg b/Week1/homework/img/miserables.jpg
diff --git a/Week1/homework/img/parbat.jpg b/Week1/homework/img/parbat.jpg
diff --git a/Week1/homework/img/peetvader.jpg b/Week1/homework/img/peetvader.jpg
diff --git a/Week1/homework/img/under_ocean.jpg b/Week1/homework/img/under_ocean.jpg
diff --git a/Week2/class exercise array/index.html b/Week2/class exercise array/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <title>Document</title>
+  </head>
+
+  <body></body>
+
+  <script src="index.js"></script>
+</html>
diff --git a/Week2/class exercise array/index.js b/Week2/class exercise array/index.js
@@ -0,0 +1,93 @@
+//JS function to return first element, and pass a number as parameter
+const arrayMine = [
+  'paramater_is_study',
+  1,
+  'time',
+  'great op',
+  'good work',
+  1,
+  2,
+  2341,
+  'parameter',
+  'time',
+];
+console.log(arrayMine);
+
+var n = window.prompt('Please enter first how many numbers you want to log');
+var num1 = parseInt(n);
+
+function nthItem(array, num1) {
+  var arrayX = [];
+  for (let i = 0; i < num1; i++) {
+    arrayX.push(array[i]);
+  }
+  return arrayX;
+}
+console.log(nthItem(arrayMine, n));
+
+//a function which accepts a number as input and insert dashes btw each two even number:
+function evenNumbers() {
+  var number = window.prompt('Please enter a number');
+  const string = number.toString();
+  const result = [string[0]];
+  for (let i = 0; i < string.length; i++) {
+    if (string[i - 1] % 2 === 0 && string[i] % 2 === 0) {
+      result.push('-', string[i]);
+    } else if (string[i - 1] % 2 === 1 && string[i] % 2 === 0) {
+      result.push(string[i]);
+    } else if (string[i - 1] % 2 === 0 && string[i] % 2 === 1) {
+      result.push('-', string[i]);
+    } else if (string[i - 1] % 2 === 1 && string[i] % 2 === 1) {
+      result.push(string[i]);
+    }
+  }
+  console.log(result.join(''));
+}
+evenNumbers();
+
+//finding the most frequent item of an array
+function findMostFrequent(array) {
+  var map = {};
+  var mostFrequentElement = array[0];
+  for (var i = 0; i < array.length; i++) {
+    if (!map[array[i]]) {
+      map[array[i]] = 1;
+    } else {
+      ++map[array[i]];
+      if (map[array[i]] > map[mostFrequentElement]) {
+        mostFrequentElement = array[i];
+        console.log('The most frequent element of the array is: ' + mostFrequentElement);
+      } else if (map[array[i]] === map[mostFrequentElement]) {
+        console.log('The array has more than one most frequent elements');
+        console.log(
+          'The most frequent elements of the array are: ' + mostFrequentElement + ', ' + array[i],
+        );
+      }
+    }
+  }
+}
+
+findMostFrequent(arrayMine);
+
+//function accepting a string as input and swapping the case of each character
+function swapCase() {
+  var str = window.prompt('Please enter something');
+
+  //first we define the alphabet and check the letters according to that
+  var upperCases = 'ABCÇDEFGHIİJKLMNOÖPQRSTUÜVWXYZ';
+  var lowerCases = 'abcçdefghıijklmnoöpqrstuüvwxyz';
+
+  //we will check each letter according to upper and lower case and transform it:
+  var result = [];
+  for (var x = 0; x < str.length; x++) {
+    if (upperCases.indexOf(str[x]) !== -1) {
+      result.push(str[x].toLowerCase());
+    } else if (lowerCases.indexOf(str[x]) !== -1) {
+      result.push(str[x].toUpperCase());
+    } else {
+      result.push(str[x]);
+    }
+  }
+  console.log(result.join(''));
+}
+swapCase();
diff --git a/Week2/class exercise json/index.html b/Week2/class exercise json/index.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <title>Document</title>
+  </head>
+
+  <body onload="countTime()">
+    <div id="txt"></div>
+  </body>
+
+  <script src="index.js"></script>
+</html>
diff --git a/Week2/class exercise json/index.js b/Week2/class exercise json/index.js
@@ -0,0 +1,76 @@
+//JS program for getting the length of an object
+var myObj = {};
+myObj['full'] = 'Galatasaray';
+myObj['short'] = 'GS';
+myObj['league'] = 'Super League';
+myObj['position'] = 1;
+Object.size = function(obj) {
+  var size = 0,
+    key;
+  for (key in obj) {
+    if (obj.hasOwnProperty(key)) size++;
+  }
+  return size;
+};
+
+var size = Object.size(myObj);
+console.log('The length of the object is: ' + size);
+
+//js function to check if object contains given prop
+var x = window.prompt('Please enter a property to check if it exist in the object');
+Object.check = function(obj, x) {
+  for (let key in obj) {
+    if (x === obj.hasOwnProperty(key)) console.log('This is a property of object');
+    else console.log("This property doesn't exist in this object");
+  }
+};
+Object.check(myObj);
+
+//js program to create clock, console the seconds to html
+function countTime() {
+  var today = new Date();
+  var h = today.getHours();
+  var m = today.getMinutes();
+  var s = today.getSeconds();
+  m = checkTime(m);
+  s = checkTime(s);
+  document.getElementById('txt').innerHTML = h + ':' + m + ':' + s;
+  var t = setTimeout(countTime, 500);
+}
+function checkTime(i) {
+  if (i < 10) {
+    i = '0' + i;
+  } // add zero in front of numbers < 10
+  return i;
+}
+
+//js program to create clock, console the seconds
+function my_Clock() {
+  this.cur_date = new Date();
+  this.hours = this.cur_date.getHours();
+  this.minutes = this.cur_date.getMinutes();
+  this.seconds = this.cur_date.getSeconds();
+}
+my_Clock.prototype.run = function() {
+  setInterval(this.update.bind(this), 1000);
+};
+my_Clock.prototype.update = function() {
+  this.updateTime(1);
+  console.log(this.hours + ':' + this.minutes + ':' + this.seconds);
+};
+my_Clock.prototype.updateTime = function(secs) {
+  this.seconds += secs;
+  if (this.seconds >= 60) {
+    this.minutes++;
+    this.seconds = 0;
+  }
+  if (this.minutes >= 60) {
+    this.hours++;
+    this.minutes = 0;
+  }
+  if (this.hours >= 24) {
+    this.hours = 0;
+  }
+};
+var clock = new my_Clock();
+clock.run();
diff --git a/Week2/homework/index.html b/Week2/homework/index.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <title>Document</title>
+  </head>
+
+  <body></body>
+
+  <script src="map-filter.js"></script>
+  <script src="maartjes-work.js"></script>
+</html>
diff --git a/Week2/homework/maartjes-work.js b/Week2/homework/maartjes-work.js
@@ -46,16 +46,18 @@ const maartjesTasks = monday.concat(tuesday);
 const maartjesHourlyRate = 20;
 
 function computeEarnings(tasks, hourlyRate) {
-  // Replace this comment and the next line with your code
-  console.log(tasks, hourlyRate);
+  const hourTasks = tasks.map(key => key.duration / 60); //Map the tasks to durations in hours.
+  const filteredTasks = hourTasks.filter(dur => dur >= 2); //Filter out everything that took less than two hours (i.e., remove from the collection)
+  const earningTasks = filteredTasks.map(dur => (dur += dur * hourlyRate)); //Multiply the each duration by a per-hour rate for billing (use €20/hour) and sum it all up.
+  return earningTasks;
 }
 
 // eslint-disable-next-line no-unused-vars
 const earnings = computeEarnings(maartjesTasks, maartjesHourlyRate);
 
 // add code to convert `earnings` to a string rounded to two decimals (euro cents)
 
-console.log(`Maartje has earned €${'replace this string with the earnings rounded to euro cents'}`);
+console.log(`Maartje has earned €${Number.parseFloat(earnings).toFixed(2)}`); //Output a formatted Euro amount, rounded to Euro cents, e.g: €11.34.
 
 // Do not change or remove anything below this line
 module.exports = {

diff --git a/Week2/homework/map-filter.js b/Week2/homework/map-filter.js
@@ -1,12 +1,11 @@
 'use strict';
 
 function doubleOddNumbers(numbers) {
-  // Replace this comment and the next line with your code
-  console.log(numbers);
+  return numbers.filter(numb => numb % 2 === 1).map(numb => numb * 2);
 }
 
-const myNumbers = [1, 2, 3, 4];
-console.log(doubleOddNumbers(myNumbers));
+const myNumbers = [1, 2, 3, 4, 5, 6];
+console.log(doubleOddNumbers(myNumbers)); // ==> [2, 6, 10]
 
 // Do not change or remove anything below this line
 module.exports = {