HackYourFuture · Tenzijn · Oct 29, 2023 · Oct 29, 2023 · Oct 31, 2023 · Nov 3, 2023
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "githubPullRequests.ignoredPullRequestBranches": ["main"]
+}
diff --git a/Week1/practice-exercises/1-remove-the-comma.js b/Week1/practice-exercises/1-remove-the-comma.js
@@ -1,14 +1,20 @@
 /**
 * We want to remove the comma's in the given string (myString), replace them with a space and log it to the console.
- * 
- * The end result should be: 
+ *
+ * The end result should be:
 *   hello this is a difficult to read sentence
 */

 let myString = 'hello,this,is,a,difficult,to,read,sentence';

-
+// solution 1
+myString = myString.replaceAll(',', ' ');
+// solution 2
+// myString = myString.split(',').join(' ');

 /* --- Code that will test your solution, do NOT change. Write above this line --- */

-console.assert(myString === 'hello this is a difficult to read sentence', 'There is something wrong with your solution');
+console.assert(
+  myString === 'hello this is a difficult to read sentence',
+  'There is something wrong with your solution'
+);
diff --git a/Week1/practice-exercises/2-even-odd-reporter.js b/Week1/practice-exercises/2-even-odd-reporter.js
@@ -6,4 +6,8 @@
 *  If it's odd, log to the console The number [PUT_NUMBER_HERE] is odd!.
 *  If it's even, log to the console The number [PUT_NUMBER_HERE] is even!.
 */
-
+for (let number = 0; number <= 20; number++) {
+  number % 2 == 0
+    ? console.log(`The number ${number} is Even!`)
+    : console.log(`The number ${number} is odd!`);
+}
diff --git a/Week1/prep-exercises/1-traffic-light/traffic-light-1.js b/Week1/prep-exercises/1-traffic-light/traffic-light-1.js
@@ -1,16 +1,34 @@
-"use strict";
+'use strict';
 /**
 * The `state` property says what the traffic light's state (i.e. colour) is at
 * that moment.
 */
-const trafficLight = {
-  state: "green",
+let trafficLight = {
+  state: 'green',
 };

 let rotations = 0;
 while (rotations < 2) {
  const currentState = trafficLight.state;
-  console.log("The traffic light is on", currentState);
+  console.log('The traffic light is on', currentState);
+
+  //single line solution
+  currentState == 'green'
+    ? (trafficLight.state = 'orange')
+    : currentState == 'orange'
+    ? (trafficLight.state = 'red')
+    : `(${(trafficLight.state = 'green')} ${rotations++})`;
+
+  /*
+if(currentState == "green"){
+  trafficLight.state = "orange";
+} else if(currentState == "orange"){
+  trafficLight.state = "red";
+}else{
+  rotations++;
+  trafficLight.state = "green";
+}
+*/

  // TODO
  // if the color is green, turn it orange

diff --git a/Week1/prep-exercises/1-traffic-light/traffic-light-2.js b/Week1/prep-exercises/1-traffic-light/traffic-light-2.js
@@ -1,18 +1,31 @@
-"use strict";
+'use strict';
 /**
 * The `possibleStates` property define the states (in this case: colours)
 * in which the traffic light can be.
 * The `stateIndex` property indicates which of the possible states is current.
 */
 const trafficLight = {
-  possibleStates: ["green", "orange", "red"],
+  possibleStates: ['green', 'orange', 'red'],
  stateIndex: 0,
 };

 let cycle = 0;
 while (cycle < 2) {
  const currentState = trafficLight.possibleStates[trafficLight.stateIndex];
-  console.log("The traffic light is on", currentState);
+  console.log('The traffic light is on', currentState);
+  // single line solution
+  currentState == 'green' || currentState == 'orange'
+    ? trafficLight.stateIndex++
+    : `${(trafficLight.stateIndex -= 2)} ${cycle++}`;
+
+  /*
+  if (currentState == 'green' || currentState == 'orange') {
+    trafficLight.stateIndex++;
+  } else {
+    trafficLight.stateIndex -= 2;
+    cycle++;
+  }
+  */

  // TODO
  // if the color is green, turn it orange

diff --git a/Week2/prep-exercises/1-traffic-light/traffic-light.js b/Week2/prep-exercises/1-traffic-light/traffic-light.js
@@ -1,17 +1,19 @@
-"use strict";
+'use strict';
 /**
 * The `trafficLight` object is now no longer a global variable. Instead,
 * it is defined in function `main()` and passed as a parameter to other
 * functions, as and when needed.
 */

 function getCurrentState(trafficLight) {
+  return trafficLight.possibleStates[trafficLight.stateIndex];
  // TODO
  // Should return the current state (i.e. colour) of the `trafficLight`
  // object passed as a parameter.
 }

 function getNextStateIndex(trafficLight) {
+  return trafficLight.stateIndex == 2 ? 0 : ++trafficLight.stateIndex;
  // TODO
  // Return the index of the next state of the `trafficLight` such that:
  // - if the color is green, it will turn to orange
@@ -33,13 +35,13 @@ function waitSync(secs) {

 function main() {
  const trafficLight = {
-    possibleStates: ["green", "orange", "red"],
+    possibleStates: ['green', 'orange', 'red'],
    stateIndex: 0,
  };

  for (let cycle = 0; cycle < 6; cycle++) {
    const currentState = getCurrentState(trafficLight);
-    console.log(cycle, "The traffic light is now", currentState);
+    console.log(cycle, 'The traffic light is now', currentState);

    waitSync(1); // Wait a second before going to the next state
    trafficLight.stateIndex = getNextStateIndex(trafficLight);

diff --git a/Week2/prep-exercises/2-experiments/index.html b/Week2/prep-exercises/2-experiments/index.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Dice experimentation</title>
+  </head>
+  <body>
+    <h1>Dice experimentation</h1>
+    <h2>Results :</h2>
+
+    <p id="1"></p>
+    <p id="2"></p>
+    <p id="3"></p>
+    <script src="./index.js"></script>
+  </body>
+</html>
diff --git a/Week2/prep-exercises/2-experiments/index.js b/Week2/prep-exercises/2-experiments/index.js
@@ -1,8 +1,20 @@
-"use strict";
+'use strict';
+// new function is created for code reusable.
+// This function will give you random number from 1 to 6
+function rollDice(min, max) {
+  return Math.floor(Math.random() * (max - min + 1)) + 1;
+}
+
+function percent(diceRolled, totalDiceRoll) {
+  return (diceRolled / totalDiceRoll) * 100;
+}

 function runExperiment(sampleSize) {
  const valueCounts = [0, 0, 0, 0, 0, 0];
-
+  for (let index = sampleSize; index > 0; --index) {
+    let result = rollDice(1, 6);
+    valueCounts[result - 1] += 1;
+  }
  // TODO
  // Write a for loop that iterates `sampleSize` times (sampleSize is a number).
  // In each loop iteration:
@@ -14,7 +26,14 @@ function runExperiment(sampleSize) {
  //    element for value 2, etc.

  const results = [];
-
+  valueCounts.forEach((rolledDiceCount) => {
+    // console.log(percent(rolledDiceCount, sampleSize));
+    results.push(
+      ` '${parseFloat(percent(rolledDiceCount, sampleSize))
+        .toFixed(2)
+        .toString()}'`
+    );
+  });
  // TODO
  // Write a for..of loop for the `valueCounts` array created in the previous
  // loop. In each loop iteration:
@@ -31,13 +50,24 @@ function runExperiment(sampleSize) {
 function main() {
  const sampleSizes = [100, 1000, 1000000];

+  for (let index = 0; index < sampleSizes.length; index++) {
+    console.log(
+      `[ ${runExperiment(sampleSizes[index])} ] ${sampleSizes[index]}`
+    );
+
+    // This just extra to print the result on the webpage
+    document.getElementById(
+      (index + 1).toString()
+    ).innerHTML = `[ ${runExperiment(sampleSizes[index])} ] ${
+      sampleSizes[index]
+    }`;
+  }
  // TODO
-  // Write a for..of loop that calls the `runExperiment()` function for each
-  // value of the `sampleSizes` array.
-  // Log the results of each experiment as well as the experiment size to the
-  // console.
+  // Write a for..of loop
+  // that calls the `runExperiment()` function for each value of the `sampleSizes` array.
+  // Log the results of each experiment as well as the experiment size to the console.
  // The expected output could look like this:
-  //
+
  // [ '26.00', '17.00', '10.00', '19.00', '16.00', '12.00' ] 100
  // [ '14.60', '17.10', '19.30', '15.50', '16.70', '16.80' ] 1000
  // [ '16.71', '16.68', '16.69', '16.66', '16.67', '16.59' ] 1000000

diff --git a/Week3/prep-exercises/1-hyf-program/1-find-mentors.js b/Week3/prep-exercises/1-hyf-program/1-find-mentors.js
@@ -1,4 +1,4 @@
-import { modules, students, mentors, classes } from "./hyf.js";
+import { modules, students, mentors, classes } from './hyf.js';

 /**
 * Tjebbe would like help to get a list of possible mentors for a module.
@@ -7,20 +7,49 @@ import { modules, students, mentors, classes } from "./hyf.js";
 * It should return an array of names. So something like:
 *  ['John', 'Mary']
 */
+
+
+
 const possibleMentorsForModule = (moduleName) => {
-  // TODO complete this function
+
+  const mentorList = [];
+  mentors.forEach((mentor) => {
+    if (mentor.canTeach.includes(moduleName)) {
+      mentorList.push(mentor.name);
+    }
+  });
+  return mentorList;
 };
 // You can uncomment out this line to try your function
-// console.log(possibleMentorsForModule('using-apis'));
+ console.log(`${possibleMentorsForModule('using-apis')} can teach API module`);

 /**
 * Tjebbe wants to make it even easier for himself.
 * Fill in this function that chooses a random mentor to teach the given module.
 *
 * It should return a single name.
 */
+
+// const maxNum = 10;
+// const minNum = 0;
+// const randomNumber = Math.floor(Math.random() * (maxNum - minNum + 1) + minNum);
+// console.log(randomNumber);
+
 const findMentorForModule = (moduleName) => {
-  // TODO complete this function
+  const mentorList = [];
+  let randomNum;
+  mentors.forEach((mentor) => {
+    if (mentor.canTeach.includes(moduleName)) {
+      mentorList.push(mentor.name);
+    }
+  });
+  const maxNum = mentorList.length - 1;
+  const minNum = 0;
+  randomNum = Math.floor(Math.random() * (maxNum - minNum + 1) + minNum);
+  const randomMentor = mentorList[randomNum];
+  return randomMentor;
 };
 // You can uncomment out this line to try your function
-// console.log(findMentorForModule('javascript'));
+console.log(
+  `${findMentorForModule('javascript')} is going to teach Javascript`
+);
diff --git a/Week3/prep-exercises/1-hyf-program/2-class-list.js b/Week3/prep-exercises/1-hyf-program/2-class-list.js
@@ -1,4 +1,4 @@
-import { modules, students, mentors, classes } from "./hyf.js";
+import { modules, students, mentors, classes } from './hyf.js';

 /**
 * We would like to have a list of everyone that is currently participating in a class.
@@ -12,10 +12,28 @@ import { modules, students, mentors, classes } from "./hyf.js";
 *  [{ name: 'John', role: 'student' }, { name: 'Mary', role: 'mentor' }]
 */
 const getPeopleOfClass = (className) => {
-  // TODO complete this function
+  let everyone = [];
+  let currentModule;
+
+  classes.forEach((eachClass) => {
+    if (eachClass.name == className) currentModule = eachClass.currentModule;
+  });
+
+  students.forEach((stud) => {
+    if (stud.class == className) {
+      everyone.push({ name: stud.name, role: 'student' });
+    }
+  });
+
+  mentors.forEach((mentor) => {
+    if (mentor.nowTeaching == currentModule)
+      everyone.push({ name: mentor.name, role: 'mentor' });
+  });
+
+  return everyone;
 };
 // You can uncomment out this line to try your function
-// console.log(getPeopleOfClass('class34'));
+console.log(getPeopleOfClass('class34'));

 /**
 * We would like to have a complete overview of the current active classes.
@@ -31,6 +49,49 @@ const getPeopleOfClass = (className) => {
 */
 const getActiveClasses = () => {
  // TODO complete this function
+
+  const activeClasses = classes
+    .map((eachClass) => {
+      if (eachClass.active) return eachClass.name;
+    })
+    .filter((eachClass) => eachClass !== undefined);
+
+  const activeStudent = students
+    .map((student) => {
+      if (student.graduated == false)
+        return { name: student.name, class: student.class, role: 'student' };
+    })
+    .filter((student) => student !== undefined);
+
+  const activeModule = classes
+    .filter((eachClass) => eachClass.active)
+    .map((eachClass) => eachClass.currentModule);
+
+  const activeMentor = mentors
+    .map((mentor) => {
+      if (activeModule.includes(mentor.nowTeaching)) {
+        const mentorName = mentor.name;
+        const className = classes
+          .filter((eachClass) => eachClass.currentModule == mentor.nowTeaching)
+          .map((eachClass) => eachClass.name)
+          .pop();
+        return { name: mentorName, class: className, role: 'mentor' };
+      }
+    })
+    .filter((mentor) => mentor !== undefined);
+
+  const activeClassObj = activeClasses.map((eachClass) => {
+    const studentList = activeStudent.filter(
+      (student) => student.class == eachClass
+    );
+    const mentorList = activeMentor.filter(
+      (mentor) => mentor.class == eachClass
+    );
+    return { [eachClass]: [...studentList, ...mentorList] };
+  });
+
+  return JSON.stringify(activeClassObj, null, 2);
 };
 // You can uncomment out this line to try your function
-// console.log(getActiveClasses());
+console.log('active classes:');
+console.log(getActiveClasses());