|
| 1 | +//Task1 |
| 2 | + |
| 3 | +const solution = arr => { |
| 4 | + return arr[0].map((_, index) => { |
| 5 | + return arr.map((value) => { |
| 6 | + return value[index]; |
| 7 | + }); |
| 8 | + }); |
| 9 | +}; |
| 10 | + |
| 11 | + |
| 12 | +console.log(solution([[1, 'a'], [2, 'b'], [3, 'c']])); |
| 13 | +console.log(solution([[1, 3, 5], [2, 4, 6]])); |
| 14 | +console.log(solution([[]])); |
| 15 | + |
| 16 | + |
| 17 | + |
| 18 | +//Task2 |
| 19 | +const navigation = [ |
| 20 | + { |
| 21 | + name: 'Главная' |
| 22 | + }, |
| 23 | + { |
| 24 | + name: 'Каталог', |
| 25 | + children: [ |
| 26 | + { |
| 27 | + name: 'Компьютеры', |
| 28 | + children: [{name: 'Ноутбуки'}, {name: 'Планшеты'}] |
| 29 | + } |
| 30 | + ] |
| 31 | + }, |
| 32 | + { |
| 33 | + name: 'Профиль' |
| 34 | + } |
| 35 | +]; |
| 36 | + |
| 37 | + |
| 38 | +// const visualArray = arr => { |
| 39 | +// let str = ''; |
| 40 | +// arr.forEach(item => { |
| 41 | +// if(item.children) { |
| 42 | +// str += `<ul><h1>${item.name}</h1><li>`; |
| 43 | +// str += visualArray(item.children); |
| 44 | +// str += '</li></ul>'; |
| 45 | +// } else { |
| 46 | +// str += `<h1>${item.name}</h1>`; |
| 47 | +// } |
| 48 | +// }); |
| 49 | +// return str; |
| 50 | +// }; |
| 51 | +// document.body.innerHTML = visualArray(navigation); |
| 52 | + |
| 53 | + |
| 54 | + |
| 55 | +//Task3 |
| 56 | +let app = { |
| 57 | + questions: [ |
| 58 | + { |
| 59 | + textQuestions:'Какой оператор из этих - выполняет не только математические операции?', |
| 60 | + textAnswers: ['*', '-', '+', '/'], |
| 61 | + correctAnswer: 2 |
| 62 | + }, |
| 63 | + { |
| 64 | + textQuestions:'Какие конструкции для циклов есть в javascript?', |
| 65 | + textAnswers: ['Только две: for и while', 'Только одна: for', 'Три: for, while и do...while'], |
| 66 | + correctAnswer: 2 |
| 67 | + }, |
| 68 | + { |
| 69 | + textQuestions:'Что такое ECMAScript?', |
| 70 | + textAnswers: ['Спецификация языка Javascrip', 'Новый язык программирования', 'Переработанная реализация Javascript'], |
| 71 | + correctAnswer: 0 |
| 72 | + } |
| 73 | + ], |
| 74 | + createContainer() { |
| 75 | + let conteiner = document.createElement('article'); |
| 76 | + conteiner.appendChild(this.createCaption()); |
| 77 | + conteiner.appendChild(this.createQuestions()); |
| 78 | + conteiner.appendChild(this.createButton()); |
| 79 | + return conteiner; |
| 80 | + }, |
| 81 | + createCaption() { |
| 82 | + let caption = document.createElement('h1'); |
| 83 | + caption.textContent = 'Тест по програмированию'; |
| 84 | + return caption; |
| 85 | + }, |
| 86 | + createQuestions() { |
| 87 | + let id = 0; |
| 88 | + let list = document.createElement('ol'); |
| 89 | + this.questions.forEach((questAnswer, qIndex) => { |
| 90 | + let question = document.createElement('li'); |
| 91 | + question.textContent = questAnswer.textQuestions; |
| 92 | + let span = document.createElement('span'); |
| 93 | + question.appendChild(span); |
| 94 | + let sectionAnswer = document.createElement('section'); |
| 95 | + question.appendChild(sectionAnswer); |
| 96 | + |
| 97 | + questAnswer.textAnswers.forEach((elem, aIndex) => { |
| 98 | + let idId = id++; |
| 99 | + let answer = document.createElement('p'); |
| 100 | + let input = document.createElement('input'); |
| 101 | + input.setAttribute('type', 'checkbox'); |
| 102 | + input.setAttribute('id', `check${qIndex}-${aIndex}`); |
| 103 | + let label = document.createElement('label'); |
| 104 | + label.setAttribute('for', `check${qIndex}-${aIndex}`); |
| 105 | + label.textContent = elem; |
| 106 | + answer.appendChild(input); |
| 107 | + answer.appendChild(label); |
| 108 | + |
| 109 | + sectionAnswer.appendChild(answer); |
| 110 | + question.appendChild(sectionAnswer); |
| 111 | + list.appendChild(question); |
| 112 | + }); |
| 113 | + |
| 114 | + }); |
| 115 | + return list; |
| 116 | + }, |
| 117 | + createButton() { |
| 118 | + let button = document.createElement('button'); |
| 119 | + button.textContent = 'Проверить мои результаты'; |
| 120 | + return button; |
| 121 | + }, |
| 122 | + render() { |
| 123 | + document.body.appendChild(this.createContainer()); |
| 124 | + } |
| 125 | +}; |
| 126 | +app.render(); |
| 127 | + |
| 128 | +let button = document.querySelector('button'); |
| 129 | +button.onclick = function() { |
| 130 | + let questionsLi = document.querySelectorAll('li'); |
| 131 | + [...questionsLi].forEach((elemLi, indexQuestion) =>{ |
| 132 | + let possibleAnswer = elemLi.querySelectorAll('input'); |
| 133 | + [...possibleAnswer].forEach((elem, index) => { |
| 134 | + if(elem.checked) { |
| 135 | + if(index === app.questions[indexQuestion].correctAnswer) { |
| 136 | + let appAnswer = elemLi.childNodes[1]; |
| 137 | + appAnswer.setAttribute('style', 'color: #11f91d'); |
| 138 | + appAnswer.textContent = ' Верно'; |
| 139 | + |
| 140 | + } else { |
| 141 | + let appAnswer = elemLi.childNodes[1]; |
| 142 | + appAnswer.setAttribute('style', 'color: #f70408'); |
| 143 | + appAnswer.textContent = ' Неверно'; |
| 144 | + } |
| 145 | + } |
| 146 | + }) |
| 147 | + }) |
| 148 | +} |
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