commit hotove ukoly

Author: tomasgege

task-array.js

@@ -23,71 +23,115 @@ printArray(numbers);
 // b) Function which will print to console the length of array
 const printLength = (numbers) => {
   // Your code:
-  
+    console.log(numbers.length);
 };
+console.log("printLength");
+printLength(numbers);
 
 // c) Function which will print to console the first element of array
 const printFirstItem = (numbers) => {
   // Your code:
-
+  console.log(numbers[0]);
 };
+console.log("printFirstItem");
+printFirstItem(numbers);
 
 // d) Function which will print to console the last element
 const printLastItem = (numbers) => {
   // Your code:
-
+  console.log(numbers.slice(-1));
 };
-
+console.log("printLastItem");
+printLastItem(numbers);
 // e) Function which will print to console the largest number (You can check Math functions)
 const printLargestItem = (numbers) => {
   // Your code:
-
+  console.log(Math.max(...numbers));
 };
+console.log("printLargestItem");
+printLargestItem(numbers);
 
 // f) Function which will print to console the smallest number (You can check Math functions)
 const printSmallestItem = (numbers) => {
   // Your code:
-
+  console.log(Math.min(...numbers));
 };
+console.log("printSmallestItem");
+printSmallestItem(numbers);
 
 // g) Function which will print to console the sum of all numbers in array (You can check reduce function)
 const printSum = (numbers) => {
   // Your code:
-
+  let num = 0;
+  for(let i = 0; i < numbers.length; i++){
+    num += numbers[i];
+  }
+  console.log(num);
 };
+console.log("printSum");
+printSum(numbers);
 
 // h) Function which will print to console the difference between the largest and the smallest number (You can check Math functions)
 const printSALDifference = (numbers) => {
   // Your code:
-
+  let max = Math.max(...numbers);
+  let min = Math.min(...numbers);
+  console.log(max - min);
 };
+console.log("printSALDifference");
+printSALDifference(numbers);
 
 // i) Function which will print to console the average of all numbers (You can check reduce function)
 const printAverage = (numbers) => {
   // Your code:
-
-
+  let num = 0;
+  let count = 0;
+  for(let i = 0; i < numbers.length; i++){
+    num += numbers[i];
+    count++;
+  }
+  console.log(num / count);
 };
+console.log("printAverage");
+printAverage(numbers);
 
 // j) Function which will print to console the index of largest number (You can check Math functions)
 const printLargestsIndex = (numbers) => {
   // Your code:
-
+  let maxNum = Math.max(...numbers);
+  let maxIndx = numbers.indexOf(maxNum);
+  console.log(maxIndx);
 
 };
+console.log("printLargestsIndex");
+printLargestsIndex(numbers);
 
 // k) Function which will print to console the even numbers (not the array of even numbers),
 // if array doesn't contain any even number, show text "Even number isn't in array"
 const printEvenNums = (numbers) => {
   // Your code:
-
-
+  let bool = false;
+  for(let i = 0; i < numbers.length; i++){
+      if(numbers[i] % 2 == 0){
+        console.log(numbers[i]);
+        bool = true;
+      }
+    }
+    if(bool == false){
+      console.log("Even number isnt in array");
+    }
 };
+console.log("printEvenNums");
+printEvenNums(numbers);
 
 // l) Function which will multiple by 2 every number in array and print the array to console
 // Example: printNumsMultipliedBy2([1,2,3]) -> [2,4,6]
 const printNumsMultipliedBy2 = (numbers) => {
   // Your code:
-
+  for(let i = 0; i < numbers.length; i++){
+    console.log(numbers[i] * 2);
+  }
 
 };
+console.log("printNumsMultipliedBy2");
+printNumsMultipliedBy2(numbers);

task-bonus.js

@@ -8,9 +8,17 @@
 
 // Your code:
 const drawTriangle = (length = 5) => {
-  
     // ... write code ...
+    let fet = "";
+    for(let i = 1; i <= length; i++){
+      for(let j = 1; j <= i; j++){
+        fet += "* ";
+      }
+      fet += "\n";
+    }
+    console.log(fet);
 };
+drawTriangle();
 
 // 2#  ========== BONUS =======================
 // Write function which will (with cycles) display this (keep in mind that there is no space after the last char):
@@ -29,7 +37,20 @@ const drawTriangle = (length = 5) => {
 // Your code:
 const drawJavascriptWord = (word = "javascript") => {
   // ... write code ...
+  let fet = "";
+  for(let i = 0; i < word.length; i++){
+    for(let j = 0; j < word.length - i - 1; j++){
+      fet += "* ";
+    }
+    for(let j = word.length - i - 1; j < word.length; j++){
+      fet += word[j].toUpperCase() + ((j < word.length - 1) ? " " : "");
+    }
+    fet += "\n";
+  }
+  console.log(fet);
+
 };
+drawJavascriptWord();
 
 
 // 3#  ========== BONUS =======================
@@ -48,5 +69,17 @@ const drawJavascriptWord = (word = "javascript") => {
 
 // Your code:
 const getVehiclesAndTopSpeed = (vehicles) => {
-  
+  let topSpeedVehicles = [];
+  for(let i = 0; i < vehicles.length; i++){
+    let vehicle = vehicles[i];
+    let topSpeed = Math.max(...vehicle.measuredSpeeds);
+    topSpeedVehicles.push({ name: vehicle.name, topSpeed: topSpeed});
+  }
+  console.log(topSpeedVehicles);
 };
+const vehicles = [
+     { name: "Executor Star Dreadnought", measuredSpeeds: [555, 545, 577, 600] },
+     { name: "T-47 Airspeeder", measuredSpeeds: [300, 311, 299, 350] },
+     { name: "AT-AT", measuredSpeeds: [20, 21, 20, 19] },
+   ];
+getVehiclesAndTopSpeed(vehicles);

task-cycles.js

@@ -8,7 +8,14 @@
 // Your code:
 const arrayOfMultiples = (num, length) => {
     // ... write code ...
+    let array = [];
+    for(let i = 1; i <= length; i++){
+        array.push(num * i);
+    }
+    console.log(array);
 };
+console.log("arrayOfMultiples");
+arrayOfMultiples(7, 5);
 
 // 2 =================================
 // Change direction of array
@@ -21,7 +28,10 @@ const arrayOfMultiples = (num, length) => {
 // Your code:
 const changeDirection = (array) => {
 // ... write code ...
+    console.log(array.reverse());
 };
+console.log("changeDirection");
+changeDirection([0, 1, 2, 3]);
 
 // 3 =================================
 // Create function that takes two arrays and return object with two keys - bigger array, sum all numbers
@@ -32,4 +42,18 @@ const changeDirection = (array) => {
 // Your code:
 const biggerArray = (array1, array2) => {
 // ... write code ...
+    let bigger;
+    if(array1.length > array2.length){
+        bigger = array1;
+    }else{
+        bigger = array2;
+    }
+    let res = 0;
+    for(let i = 0; i < bigger.length; i++){
+        res += bigger[i];
+    }
+    console.log({"array": bigger,"sum":res});
+
 };
+console.log("biggerArray");
+biggerArray([1,2,3,4,5], [50,50]);

task-object.js

@@ -10,8 +10,10 @@
 
 // Your code:
 const volumeOfBox = (obj) => {
-
+    console.log(obj.width * obj.length * obj.height);
 };
+console.log("volumeOfBox");
+volumeOfBox({ width: 2, length: 5, height: 1 });
 
 // 2 ----
 // Create a function that takes strings - firstname, lastname, age, and return object with firstname, lastname, age, yearOfBirth
@@ -20,9 +22,11 @@ const volumeOfBox = (obj) => {
 
 // Your code:
 const personObject = (firstname, lastname, age) => {
-
+    console.log({ firstName: firstname, lastName: lastname, ageYears: age, yearOfBirth: 2024 - age});
 
 };
+console.log("personObject");
+personObject("Obi-wan", "Kenobi", "40");
 
 // 3 ----
 // Create the function that takes an array with objects and returns the sum of people's budgets.
@@ -35,9 +39,18 @@ const personObject = (firstname, lastname, age) => {
 
 //Your code:
 const getBudgets = (persons) => {
-
+    let res = 0;
+    for(let i = 0; i < persons.length; i++){
+        res += persons[i].budget;
+    };
+    console.log(res);
 };
-
+console.log("getBudgets");
+getBudgets([
+            { name: "John", age: 21, budget: 23000 },
+            { name: "Steve",  age: 32, budget: 40000 },
+            { name: "Martin",  age: 16, budget: 2700 }
+        ])
 // 4 ----
 // Create function that takes array of cars and sort them by price
 // Example
@@ -46,6 +59,9 @@ const getBudgets = (persons) => {
 
 // Your code:
 const sortVehiclesByPrice = (vehicles) => {
-  
-
+    vehicles.sort((a, b) => a.price - b.price);
+    console.log(vehicles);
 };
+const vehicles = [{name: "Executor Star Dreadnought", price: 999}, {name: "T-47 Airspeeder", price: 5}, {name: "AT-AT", price : 20}]
+console.log("sortVehiclesByPrice");
+sortVehiclesByPrice(vehicles);

task-strings.js

@@ -8,8 +8,10 @@
 
 // Your code:
 const parametrize = (input) => {
-
+    return input.toLowerCase().replace(/ /g, '-');
 };
+console.log("parametrize");
+console.log(parametrize('Javascript is the best'));
 
 // 2 =================================
 // Write function that takes object and return sentence
@@ -19,8 +21,15 @@ const parametrize = (input) => {
 
 // Your code:
 const giveSentenceForPerson = (obj) => {
-
+    let name = obj.name;
+    let position = obj.position;
+    let age = obj.age;
+    let location = obj.location;
+    
+    console.log(`Hello ${name} from ${location}! It is nice to meet you! You look awesome for your ${age}, young ${position}!`);
 };
+console.log("giveSentenceForPerson");
+giveSentenceForPerson({name: "Obi-wan", position: "Jedi", age: 40, location: "Starwars universe"});
 
 // 3 =================================
 // Write function that takes string and replace all `a`, `e`, `i`, `o` with *
@@ -29,5 +38,16 @@ const giveSentenceForPerson = (obj) => {
 
 // Your code:
 const replace = (input) => {
-
+    const vowels = ['a', 'e', 'i', 'o'];
+    let res = '';
+    for(let i = 0; i < input.length; i++){
+        if(vowels.includes(input[i])){
+            res += '*';
+        }else{
+            res += input[i];
+        }
+    }
+    console.log(res);
 };
+console.log("replace");
+replace("Hello Javascript");