Html-Setup é a base fundamental de qualquer website, como construir os alicerces de uma casa antes de erguer as paredes. É o processo de criar a estrutura inicial de um documento HTML que diz ao navegador como exibir seu conteúdo. O Html-Setup inclui a declaração DOCTYPE, a tag html, a seção head e a seção body. Esta etapa é essencial para qualquer projeto web - seja criando um website de portfólio, desenvolvendo um blog pessoal, construindo uma loja e-commerce, criando um site de notícias ou projetando uma plataforma social. Sem um Html-Setup adequado, seu website seria como uma biblioteca sem organização, onde os livros estão espalhados sem ordem. Neste tutorial, você aprenderá como criar uma estrutura HTML limpa e profissional, usar elementos básicos corretamente e evitar erros comuns. Esta base permitirá que você adicione posteriormente estilização CSS e funcionalidades JavaScript. Dominar o Html-Setup é como aprender a escrever uma carta corretamente - você precisa conhecer o formato padrão antes de personalizar o conteúdo.
<!DOCTYPE html>
<html lang="pt">
<head>
<meta charset="UTF-8">
<title>Meu Website</title> <!-- Page title for browser tab -->
</head>
<body>
<h1>Bem-vindo ao Meu Website</h1> <!-- Main heading -->
<p>Esta é minha primeira página web!</p> <!-- Paragraph text -->
</body>
</html>
O código acima mostra a estrutura básica de um documento HTML completo. A declaração <!DOCTYPE html> informa ao navegador que este é um documento HTML5. A tag envolve todo o documento e o atributo lang especifica o idioma português. A seção
contém metadados que não são visíveis na página, mas são importantes para o navegador. A tag
garante a codificação adequada de caracteres para que acentos e caracteres especiais sejam exibidos corretamente. A tag
define o texto que aparece na aba do navegador. A seção <body> contém o conteúdo real que os usuários veem. A tag <h1> é usada para o título principal e <p> para texto de parágrafo. Esta estrutura é a fundação de toda página HTML, seja escrevendo um post simples de blog ou construindo um site de e-commerce complexo. Sem esta configuração adequada, seu conteúdo não será renderizado corretamente nos navegadores. Cada elemento tem sua função específica, como cômodos diferentes em uma casa bem organizada.</p>
</div>
<!-- Enhanced Code Block -->
<div class="code-editor-container">
<div class="code-editor-header">
<h3 class="code-title">Exemplo prático de configuração de HTML</h3>
<span class="code-language-badge html">html</span>
</div>
<div class="code-display">
<div class="code-display-header">
<span>HTML Code</span>
<div class="flex flex-col sm:flex-row gap-2">
<button type="button" class="copy-button" onclick="copyStaticCode('code-38', this)">
📋 Copiar
</button>
<button type="button"
class="copy-button bg-green-600 hover:bg-green-700 text-white"
onclick="openCodeRunner('html', 'Exemplo prático de configuração de HTML', 38)">
🚀 Experimente ao Vivo
</button>
</div>
</div>
<div class="code-block">
<pre><code id="code-38" class="language-html"><!DOCTYPE html>
<html lang="pt">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Portfólio de Maria Silva - Desenvolvedora Web">
<title>Maria Silva | Portfólio - Desenvolvedora Web</title>
</head>
<body>
<header>
<h1>Maria Silva</h1>
<nav>
<a href="#sobre">Sobre</a>
<a href="#projetos">Projetos</a>
<a href="#contato">Contato</a>
</nav>
</header>
<main>
<section id="sobre">
<h2>Sobre Mim</h2>
<p>Sou uma desenvolvedora web apaixonada com 5 anos de experiência.</p>
</section>
</main>
</body>
</html></code></pre>
</div>
</div>
</div>
<!-- Enhanced Text Block with Smart Links -->
<div class="prose prose-lg max-w-none">
<p>As melhores práticas incluem usar HTML semântico - elementos como header, nav, main e section que têm significado específico. A meta tag viewport é essencial para responsividade móvel. Sempre mantenha uma estrutura de documento adequada com metadados no head e conteúdo no body. Use elementos semânticos ao invés de div genérico quando possível. Os erros mais comuns incluem esquecer a declaração DOCTYPE, o que faz os navegadores entrarem em modo quirks. Não definir meta charset pode causar problemas de exibição de caracteres especiais. Aninhamento inadequado como colocar div dentro de p é inválido. Esquecer a tag title prejudica o SEO. Para debugging, use as ferramentas de desenvolvedor do navegador pressionando F12 para inspecionar a estrutura HTML. Use ferramentas de validação como W3C Markup Validator. Mantenha sempre indentação consistente para legibilidade. Adicione comentários para seções complexas. Teste em diferentes navegadores para garantir compatibilidade. Organize seu código logicamente, como decorar cômodos de uma casa de forma funcional e esteticamente agradável.</p>
</div>
<!-- Enhanced Reference Table -->
<div class="table-responsive">
<div class="bg-white p-6">
<h3 class="text-xl font-semibold mb-4 text-gray-800">📊 Referência rápida de configuração de HTML</h3>
<div class="overflow-x-auto">
<table class="w-full table-auto border-collapse">
<thead>
<tr class="bg-gradient-to-r from-gray-50 to-gray-100">
<th class="border border-gray-300 px-4 py-3 text-left font-semibold text-gray-700">Elemento</th>
<th class="border border-gray-300 px-4 py-3 text-left font-semibold text-gray-700">Descrição</th>
<th class="border border-gray-300 px-4 py-3 text-left font-semibold text-gray-700">Exemplo</th>
</tr>
</thead>
<tbody>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><!DOCTYPE html></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Declara documento HTML5</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><!DOCTYPE html></td>
</tr>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><html lang="pt"></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Elemento raiz com idioma</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><html lang="pt"></td>
</tr>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta charset="UTF-8"></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Codificação de caracteres</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta charset="UTF-8"></td>
</tr>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><title></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Título da página para aba do navegador</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><title>Meu Website</title></td>
</tr>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta name="viewport"></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Meta tag para responsividade móvel</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta name="viewport" content="width=device-width, initial-scale=1.0"></td>
</tr>
<tr class="hover:bg-gray-50 transition-colors">
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta name="description"></td>
<td class="border border-gray-300 px-4 py-3 text-gray-600">Descrição da página para SEO</td>
<td class="border border-gray-300 px-4 py-3 text-gray-600"><meta name="description" content="Descrição da página"></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<!-- Enhanced Text Block with Smart Links -->
<div class="prose prose-lg max-w-none">
<p>Neste tutorial você aprendeu a criar a estrutura adequada de um documento HTML. Os pontos-chave incluem que toda página HTML deve ter elementos DOCTYPE, html, head e body. As meta tags são importantes para SEO e acessibilidade. A estrutura HTML semântica cria código mais limpo e significativo. Esta base permitirá que você adicione estilização CSS onde definirá cores, fontes e layouts. Para interações JavaScript, uma estrutura HTML adequada também é fundamental. Os próximos tópicos a estudar incluem fundamentos de CSS, design responsivo e elementos de formulário. Para praticar, crie estruturas básicas para diferentes tipos de websites. Sempre use ferramentas de validação e verifique compatibilidade entre navegadores. Com prática regular, você poderá construir websites de qualidade profissional. Lembre-se que Html-Setup é como organizar uma biblioteca - uma boa organização inicial facilita encontrar e usar tudo mais tarde. Continue praticando e experimentando com diferentes estruturas para solidificar seu conhecimento.</p>
</div>
</div>
<!-- Enhanced Quiz Section -->
<div class="mb-8">
<h2 class="text-2xl md:text-3xl font-bold mb-6 bg-clip-text">
🧠 Teste Seu Conhecimento
</h2>
<!-- Modern Quiz Container - Direct Display -->
<div id="quiz-container" class="quiz-modern-container">
<!-- Hidden CSRF Token -->
<input type="hidden" name="csrfmiddlewaretoken" value="tXfSKoyufz3JunI9QofPSh3FVJRoK2EpdLEXpVrA6l6aDYPIsh6DNv0oVlvPkkHW">
<!-- Quiz Header with Progress -->
<div class="quiz-header">
<div class="quiz-progress-wrapper">
<div class="quiz-progress-track">
<div id="quiz-progress-fill" class="quiz-progress-fill"></div>
</div>
<div class="quiz-progress-info">
<span id="progress-text" class="progress-current">Pronto para Começar</span>
<span id="progress-stats" class="progress-stats"></span>
</div>
</div>
<!-- Timer (if applicable) -->
<div id="quiz-timer-wrapper" class="quiz-timer-wrapper" style="display: none;">
<div class="timer-icon">⏱️</div>
<span id="timer-display" class="timer-display">10:00</span>
</div>
</div>
<!-- Quiz Content Area -->
<div class="quiz-content-area">
<!-- Quiz Introduction - Now Always Visible -->
<div id="quiz-intro" class="quiz-intro-section">
<div class="quiz-intro-icon">
<div class="icon-circle">
<svg class="brain-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
</svg>
</div>
</div>
<h3 class="quiz-intro-title">Teste seus conhecimentos de configuração de HTML</h3>
<p class="quiz-intro-subtitle">Challenge yourself with this interactive quiz and see how well you understand the topic</p>
<!-- Quiz Stats Grid -->
<div id="quiz-stats-grid" class="quiz-stats-grid">
<div class="quiz-stat-card">
<span class="stat-icon">❓</span>
<div class="stat-value">4</div>
<div class="stat-label">Perguntas</div>
</div>
<div class="quiz-stat-card">
<span class="stat-icon">🎯</span>
<div class="stat-value">70%</div>
<div class="stat-label">Para Passar</div>
</div>
<div class="quiz-stat-card">
<span class="stat-icon">♾️</span>
<div class="stat-value">∞</div>
<div class="stat-label">Tempo</div>
</div>
<div class="quiz-stat-card">
<span class="stat-icon">🔄</span>
<div class="stat-value">∞</div>
<div class="stat-label">Tentativas</div>
</div>
</div>
<!-- Quiz Instructions -->
<div class="quiz-instructions">
<h4 class="instructions-title">📝 Instruções</h4>
<ul class="instructions-list">
<li>Leia cada pergunta cuidadosamente</li>
<li>Selecione a melhor resposta para cada pergunta</li>
<li>Você pode refazer o quiz quantas vezes quiser</li>
<li>Seu progresso será mostrado no topo</li>
</ul>
</div>
<button id="start-quiz-btn" class="quiz-start-button" onclick="startQuiz(2)">
<span class="button-content">
<svg class="button-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h1m4 0h1m-6 4h8"/>
</svg>
Iniciar Quiz
</span>
<div class="button-ripple"></div>
</button>
</div>
<!-- Quiz Questions Section -->
<div id="quiz-questions" class="quiz-questions-section" style="display: none;">
<!-- Question Header -->
<div class="question-header">
<div class="question-meta">
<span id="question-number" class="question-counter">Pergunta 1</span>
<div class="question-type-badge" id="question-type">
<span>📝</span>
</div>
</div>
</div>
<!-- Question Content -->
<div id="current-question" class="question-content">
<!-- Question will be loaded here -->
</div>
<!-- Question Actions -->
<div class="question-actions">
<button id="submit-answer" class="submit-answer-btn" onclick="submitAnswer()" disabled>
<span class="btn-text">Enviar Resposta</span>
<div class="btn-loader" style="display: none;">
<div class="loader-spinner"></div>
</div>
</button>
</div>
</div>
<!-- Quiz Results Section -->
<div id="quiz-results" class="quiz-results-section" style="display: none;">
<!-- Results will be populated here -->
</div>
<!-- Loading State -->
<div id="quiz-loading" class="quiz-loading-section" style="display: none;">
<div class="loading-animation">
<div class="loading-spinner"></div>
<div class="loading-dots">
<span></span>
<span></span>
<span></span>
</div>
</div>
<p class="loading-text">Carregando seu quiz...</p>
</div>
</div>
<!-- Error Display -->
<div id="quiz-error" class="quiz-error-display" style="display: none;">
<div class="error-content">
<div class="error-icon">⚠️</div>
<div class="error-message"></div>
<button class="error-close" onclick="hideError()">✕</button>
</div>
</div>
</div>
<script>
let currentQuiz = null;
let currentQuestionIndex = 0;
let selectedAnswer = null;
let quizTimer = null;
let timeRemaining = null;
let currentQuestionData = null;
let quizSessionData = null; // Store quiz session data for answer sheet
function getCsrfToken() {
let token = null;
const quizContainer = document.getElementById('quiz-container');
if (quizContainer) {
const tokenInput = quizContainer.querySelector('input[name="csrfmiddlewaretoken"]');
if (tokenInput) {
token = tokenInput.value;
}
}
if (!token) {
const tokenInput = document.querySelector('input[name="csrfmiddlewaretoken"]');
if (tokenInput) {
token = tokenInput.value;
}
}
if (!token) {
const cookieMatch = document.cookie.match(/csrftoken=([^;]+)/);
if (cookieMatch) {
token = cookieMatch[1];
}
}
return token;
}
function startQuiz(topicId) {
console.log('Starting quiz for topic:', topicId);
// Reset quiz session data
quizSessionData = {
questions: [],
answers: {},
correctAnswers: {},
explanations: {}
};
// Show loading
showSection('quiz-loading');
updateProgress(0, 'Inicializando Quiz...', '');
const csrfToken = getCsrfToken();
if (!csrfToken) {
console.error('CSRF token not found');
showError('Security token not found. Please refresh the page.');
showSection('quiz-intro');
return;
}
const formData = new FormData();
formData.append('csrfmiddlewaretoken', csrfToken);
const url = `/pt/quiz/${topicId}/start/`;
fetch(url, {
method: 'POST',
body: formData,
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return response.json();
})
.then(data => {
if (data.success) {
currentQuiz = data.quiz;
currentQuestionIndex = 0;
// Setup timer if quiz has time limit
if (currentQuiz.time_limit) {
setupTimer(currentQuiz.time_limit);
}
// Show quiz questions section
showSection('quiz-questions');
// Load first question
loadQuestion(data.current_question, data.question_number, data.total_questions);
} else {
console.error('Quiz start failed:', data.error);
showError(data.error || 'Failed to start quiz');
showSection('quiz-intro');
}
})
.catch(error => {
console.error('Fetch error:', error);
showError('Falha ao iniciar o quiz. Por favor, tente novamente.');
showSection('quiz-intro');
});
}
function loadQuestion(question, questionNumber, totalQuestions) {
console.log('Loading question:', question);
// Store current question data
currentQuestionData = question;
// Store question in session data
quizSessionData.questions[questionNumber - 1] = question;
// Update progress
const progressPercent = (questionNumber / totalQuestions) * 100;
updateProgress(progressPercent, `Pergunta ${questionNumber}`, `${questionNumber} de ${totalQuestions}`);
// Update question number
const questionNumberEl = document.getElementById('question-number');
if (questionNumberEl) {
questionNumberEl.textContent = `Pergunta ${questionNumber}`;
}
// Update question type badge
const questionTypeEl = document.getElementById('question-type');
if (questionTypeEl) {
const typeIcons = {
'multiple_choice': '📝',
'true_false': '✅',
'fill_code': '💻'
};
questionTypeEl.innerHTML = `<span>${typeIcons[question.type] || '📝'}</span>`;
}
// Reset selected answer
selectedAnswer = null;
const submitBtn = document.getElementById('submit-answer');
if (submitBtn) {
submitBtn.disabled = true;
submitBtn.querySelector('.btn-text').textContent = 'Enviar Resposta';
}
// Generate question HTML
let questionHTML = `
<div class="question-text">${escapeHtml(question.text)}</div>
`;
// Add code template if exists
if (question.code_template && question.code_template.trim()) {
questionHTML += `
<div class="code-block">
<pre><code>${escapeHtml(question.code_template)}</code></pre>
</div>
`;
}
// Add options
questionHTML += '<div class="options-container">';
if (question.options && question.options.length > 0) {
question.options.forEach((option, index) => {
questionHTML += `
<div class="option-item" onclick="selectOption(${option.id}, this)">
<input type="radio" name="quiz-option" value="${option.id}" style="display: none;">
<div class="option-content">
<div class="option-indicator"></div>
<div class="option-text">${escapeHtml(option.text)}</div>
</div>
</div>
`;
});
} else {
questionHTML += '<p class="error-message">No options available for this question.</p>';
}
questionHTML += '</div>';
// Insert question content with animation
const questionContainer = document.getElementById('current-question');
if (questionContainer) {
questionContainer.style.opacity = '0';
questionContainer.innerHTML = questionHTML;
// Animate in
setTimeout(() => {
questionContainer.style.transition = 'opacity 0.3s ease';
questionContainer.style.opacity = '1';
}, 100);
}
}
function selectOption(optionId, element) {
console.log('Option selected:', optionId);
selectedAnswer = optionId;
// Update visual feedback
document.querySelectorAll('.option-item').forEach(item => {
item.classList.remove('selected');
});
element.classList.add('selected');
// Enable submit button
const submitBtn = document.getElementById('submit-answer');
if (submitBtn) {
submitBtn.disabled = false;
}
}
function submitAnswer() {
if (!selectedAnswer || !currentQuestionData) {
console.log('No answer selected or no question data');
return;
}
console.log('Submitting answer:', selectedAnswer, 'for question:', currentQuestionData.id);
// Store user answer in session data
quizSessionData.answers[currentQuestionData.id] = {
selectedOptionId: selectedAnswer,
selectedOptionText: getSelectedOptionText(selectedAnswer)
};
const submitBtn = document.getElementById('submit-answer');
if (!submitBtn) return;
// Show loading state
submitBtn.disabled = true;
submitBtn.querySelector('.btn-text').style.opacity = '0';
submitBtn.querySelector('.btn-loader').style.display = 'block';
const csrfToken = getCsrfToken();
if (!csrfToken) {
console.error('CSRF token not found for submit');
showError('Security token not found. Please refresh the page.');
resetSubmitButton(submitBtn);
return;
}
const formData = new FormData();
formData.append('question_id', currentQuestionData.id);
formData.append('selected_option', selectedAnswer);
formData.append('csrfmiddlewaretoken', csrfToken);
const url = `/pt/quiz/${currentQuiz.id}/submit/`;
fetch(url, {
method: 'POST',
body: formData,
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return response.json();
})
.then(data => {
if (data.success) {
if (data.completed) {
// Quiz completed - load results
loadQuizResults(data.redirect_url);
} else {
// Load next question
setTimeout(() => {
loadQuestion(data.current_question, data.question_number, data.total_questions);
resetSubmitButton(submitBtn);
}, 500);
}
} else {
console.error('Submit failed:', data.error);
showError(data.error || 'Failed to submit answer');
resetSubmitButton(submitBtn);
}
})
.catch(error => {
console.error('Submit fetch error:', error);
showError('Falha ao enviar resposta. Por favor, tente novamente.');
resetSubmitButton(submitBtn);
});
}
function getSelectedOptionText(optionId) {
if (!currentQuestionData || !currentQuestionData.options) return '';
const option = currentQuestionData.options.find(opt => opt.id == optionId);
return option ? option.text : '';
}
function loadQuizResults(resultUrl) {
console.log('Loading results from:', resultUrl);
// Show loading while fetching results
showSection('quiz-loading');
updateProgress(100, 'Calculating Results...', 'Por favor, aguarde');
fetch(resultUrl, {
headers: {
'HX-Request': 'true'
}
})
.then(response => {
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
return response.text();
})
.then(html => {
// Parse the results and extract detailed information
const tempDiv = document.createElement('div');
tempDiv.innerHTML = html;
// Extract score data from the response
const scoreElement = tempDiv.querySelector('.score-percentage') || tempDiv.querySelector('[data-score]');
let scoreValue = 0;
if (scoreElement) {
const scoreText = scoreElement.textContent || scoreElement.getAttribute('data-score') || '0';
scoreValue = parseInt(scoreText.replace('%', '')) || 0;
}
const correctElement = tempDiv.querySelector('.correct-answers') || tempDiv.querySelector('[data-correct]');
let correctAnswers = 0;
if (correctElement) {
const correctText = correctElement.textContent || correctElement.getAttribute('data-correct') || '0';
correctAnswers = parseInt(correctText) || 0;
}
const totalElement = tempDiv.querySelector('.total-questions') || tempDiv.querySelector('[data-total]');
let totalQuestions = currentQuiz.total_questions || 0;
if (totalElement) {
const totalText = totalElement.textContent || totalElement.getAttribute('data-total') || '0';
totalQuestions = parseInt(totalText) || totalQuestions;
}
// Extract detailed question results
extractQuestionResults(tempDiv);
displayResults(scoreValue, correctAnswers, totalQuestions);
// Stop timer if running
if (quizTimer) {
clearInterval(quizTimer);
hideTimer();
}
})
.catch(error => {
console.error('Results fetch error:', error);
showError('Falha ao carregar resultados. Por favor, atualize a página.');
showSection('quiz-questions');
});
}
function extractQuestionResults(resultContainer) {
// Extract detailed results from the Django-generated HTML
const questionContainers = resultContainer.querySelectorAll('.border-b, .border');
questionContainers.forEach((container, index) => {
try {
// Extract question text
const questionTextEl = container.querySelector('p.text-gray-700, .text-gray-700');
const questionText = questionTextEl ? questionTextEl.textContent.trim() : `Question ${index + 1}`;
// Extract correct/incorrect status
const correctSpan = container.querySelector('.bg-green-100');
const incorrectSpan = container.querySelector('.bg-red-100');
const isCorrect = correctSpan !== null;
// Extract user's answer
let userAnswer = '';
const userAnswerSpans = container.querySelectorAll('.text-red-600, .text-green-600');
for (let span of userAnswerSpans) {
const text = span.textContent;
if (text.includes('Your answer:')) {
userAnswer = text.replace('Your answer:', '').trim();
break;
}
}
// Extract correct answer
let correctAnswer = '';
const greenSpans = container.querySelectorAll('.text-green-600');
for (let span of greenSpans) {
const text = span.textContent.trim();
const parentText = span.parentElement ? span.parentElement.textContent : '';
// Check if this span contains "Correct answer:" in its parent context
if (parentText.includes('Correct answer:') && !text.includes('Your answer:')) {
// Extract only the answer part after "Correct answer:"
const parts = parentText.split('Correct answer:');
if (parts.length > 1) {
correctAnswer = parts[1].split('Explanation:')[0].trim();
break;
}
}
}
// Fallback: if still empty, use user answer for correct questions
if (!correctAnswer && isCorrect) {
correctAnswer = userAnswer;
}
// Extract explanation
let explanation = '';
const explanationEl = container.querySelector('.bg-blue-50 p');
if (explanationEl) {
explanation = explanationEl.textContent.replace('Explanation:', '').trim();
}
// Store in session data
const questionId = quizSessionData.questions[index] ? quizSessionData.questions[index].id : index + 1;
quizSessionData.correctAnswers[questionId] = {
isCorrect: isCorrect,
correctAnswer: correctAnswer,
explanation: explanation,
questionText: questionText
};
} catch (error) {
console.error('Error extracting question result:', error);
}
});
}
function displayResults(scoreValue, correctAnswers, totalQuestions) {
const passed = scoreValue >= (currentQuiz.passing_score || 70);
const resultsSection = document.getElementById('quiz-results');
if (!resultsSection) return;
resultsSection.innerHTML = `
<div class="result-header">
<div class="result-status-icon ${passed ? 'passed' : 'failed'}">
${passed ? '🎉' : '📚'}
</div>
<h3 class="result-title">
${passed ? 'Parabéns!' : 'Continue Aprendendo!'}
</h3>
<p class="result-subtitle">
${passed ? 'Você passou no quiz!' : 'Você pode fazer melhor. Tente novamente!'}
</p>
</div>
<div class="score-display">
<div class="score-percentage ${passed ? 'passed' : 'failed'}">${scoreValue}%</div>
<div class="score-details">
${correctAnswers} de ${totalQuestions} corretas
</div>
<div class="score-bar">
<div class="score-fill" style="width: 0%"></div>
</div>
<div style="margin-top: 1rem; font-size: 0.875rem; opacity: 0.8;">
Nota para passar: ${currentQuiz.passing_score || 70}%
</div>
</div>
<div class="result-actions">
<button class="result-btn primary" onclick="retakeQuiz()">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
</svg>
Refazer Quiz
</button>
<button class="result-btn secondary" onclick="toggleAnswerSheet()" id="view-answers-btn">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
</svg>
Ver Respostas
</button>
<button class="result-btn secondary" onclick="closeQuiz()">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
</svg>
Fechar
</button>
</div>
<!-- Answer Sheet Section -->
<div id="answer-sheet" class="answer-sheet-section" style="display: none;">
<div class="answer-sheet-header">
<h4>📋 Folha de Respostas</h4>
<button class="close-answer-sheet" onclick="toggleAnswerSheet()">✕</button>
</div>
<div id="answer-sheet-content" class="answer-sheet-content">
Carregando respostas...
</div>
</div>
`;
// Show results section
showSection('quiz-results');
updateProgress(100, 'Quiz Concluído!', `${scoreValue}% Pontuação`);
// Animate score bar
setTimeout(() => {
const scoreFill = resultsSection.querySelector('.score-fill');
if (scoreFill) {
scoreFill.style.width = `${scoreValue}%`;
}
}, 500);
}
// Answer sheet functions
function toggleAnswerSheet() {
const answerSheet = document.getElementById('answer-sheet');
const btn = document.getElementById('view-answers-btn');
if (answerSheet.style.display === 'none' || answerSheet.style.display === '') {
answerSheet.style.display = 'block';
loadAnswerSheet();
btn.innerHTML = `
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
</svg>
Ocultar Respostas
`;
} else {
answerSheet.style.display = 'none';
btn.innerHTML = `
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
</svg>
Ver Respostas
`;
}
}
function loadAnswerSheet() {
const answerSheetContent = document.getElementById('answer-sheet-content');
if (!answerSheetContent || !quizSessionData) return;
let correctCount = 0;
let incorrectCount = 0;
let answerSheetHTML = `
<div class="answer-summary">
<div class="summary-stat total">
<div class="number">${currentQuiz.total_questions || 0}</div>
<div class="label">Total de Perguntas</div>
</div>
<div class="summary-stat correct">
<div class="number" id="correct-count">0</div>
<div class="label">Correto</div>
</div>
<div class="summary-stat incorrect">
<div class="number" id="incorrect-count">0</div>
<div class="label">Incorreto</div>
</div>
</div>
<div class="answer-grid">
`;
// Generate answer sheet for each question
quizSessionData.questions.forEach((question, index) => {
if (!question) return;
const questionId = question.id;
const userAnswer = quizSessionData.answers[questionId];
const correctInfo = quizSessionData.correctAnswers[questionId];
if (!userAnswer || !correctInfo) return;
const isCorrect = correctInfo.isCorrect;
if (isCorrect) {
correctCount++;
} else {
incorrectCount++;
}
answerSheetHTML += `
<div class="answer-item ${isCorrect ? 'correct' : 'incorrect'}">
<div class="question-number">Q${index + 1}</div>
<div class="question-details">
<div class="question-text">${escapeHtml(correctInfo.questionText || question.text)}</div>
<div class="answer-comparison">
<div class="user-answer">
<span class="label">Your Answer:</span>
<span class="value ${isCorrect ? 'correct' : 'incorrect'}">${escapeHtml(userAnswer.selectedOptionText)}</span>
</div>
${!isCorrect ? `
<div class="correct-answer">
<span class="label">Correct Answer:</span>
<span class="value correct">${escapeHtml(correctInfo.correctAnswer)}</span>
</div>
` : ''}
${correctInfo.explanation ? `
<div class="explanation">
<span class="label">Explicação:</span>
<span class="explanation-text">${escapeHtml(correctInfo.explanation)}</span>
</div>
` : ''}
</div>
</div>
<div class="result-icon">
${isCorrect ? '✅' : '❌'}
</div>
</div>
`;
});
answerSheetHTML += '</div>';
answerSheetContent.innerHTML = answerSheetHTML;
// Update summary counts
document.getElementById('correct-count').textContent = correctCount;
document.getElementById('incorrect-count').textContent = incorrectCount;
}
function retakeQuiz() {
// Reset quiz state
currentQuiz = null;
currentQuestionIndex = 0;
selectedAnswer = null;
currentQuestionData = null;
quizSessionData = null;
if (quizTimer) {
clearInterval(quizTimer);
hideTimer();
}
// Show intro section
showSection('quiz-intro');
updateProgress(0, 'Pronto para Começar', '');
}
function closeQuiz() {
// Just reset and hide for now since we're directly displaying
retakeQuiz();
}
function showSection(sectionId) {
const sections = ['quiz-intro', 'quiz-questions', 'quiz-results', 'quiz-loading'];
sections.forEach(id => {
const element = document.getElementById(id);
if (element) {
element.style.display = id === sectionId ? 'block' : 'none';
}
});
}
function updateProgress(percentage, currentText, statsText) {
const progressFill = document.getElementById('quiz-progress-fill');
const progressText = document.getElementById('progress-text');
const progressStats = document.getElementById('progress-stats');
if (progressFill) {
progressFill.style.width = `${percentage}%`;
}
if (progressText) {
progressText.textContent = currentText;
}
if (progressStats) {
progressStats.textContent = statsText;
}
}
function setupTimer(timeLimit) {
const timerWrapper = document.getElementById('quiz-timer-wrapper');
const timerDisplay = document.getElementById('timer-display');
if (!timerWrapper || !timerDisplay) return;
timeRemaining = timeLimit * 60; // Convert to seconds
timerWrapper.style.display = 'flex';
quizTimer = setInterval(() => {
const minutes = Math.floor(timeRemaining / 60);
const seconds = timeRemaining % 60;
timerDisplay.textContent = `${minutes}:${seconds.toString().padStart(2, '0')}`;
// Warning when time is running out
if (timeRemaining <= 60) {
timerWrapper.style.color = '#ef4444';
timerWrapper.style.animation = 'pulse 1s infinite';
}
if (timeRemaining <= 0) {
clearInterval(quizTimer);
if (selectedAnswer) {
submitAnswer();
} else {
showError('O tempo acabou! O quiz será enviado automaticamente.');
}
}
timeRemaining--;
}, 1000);
}
function hideTimer() {
const timerWrapper = document.getElementById('quiz-timer-wrapper');
if (timerWrapper) {
timerWrapper.style.display = 'none';
}
}
function resetSubmitButton(button) {
if (!button) return;
button.disabled = false;
button.querySelector('.btn-text').style.opacity = '1';
button.querySelector('.btn-loader').style.display = 'none';
}
function showError(message) {
console.log('Showing error:', message);
const errorDisplay = document.getElementById('quiz-error');
if (!errorDisplay) return;
const errorMessage = errorDisplay.querySelector('.error-message');
if (errorMessage) {
errorMessage.textContent = message;
}
errorDisplay.style.display = 'block';
// Auto-hide after 5 seconds
setTimeout(() => {
hideError();
}, 5000);
}
function hideError() {
const errorDisplay = document.getElementById('quiz-error');
if (errorDisplay) {
errorDisplay.style.display = 'none';
}
}
function escapeHtml(unsafe) {
if (typeof unsafe !== 'string') {
return unsafe;
}
return unsafe
.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">")
.replace(/"/g, """)
.replace(/'/g, "'");
}
// Initialize quiz when page loads
document.addEventListener('DOMContentLoaded', function() {
// Quiz is now directly visible, no need for showQuiz() function
console.log('Quiz components loaded');
});
// HTMX after-swap event
document.body.addEventListener('htmx:afterSwap', function() {
// Reinitialize quiz if it exists on the swapped content
console.log('Quiz components reloaded after HTMX swap');
});
</script>
</div>
<!-- Enhanced Navigation -->
<div class="topic-navigation">
<div class="nav-links">
<a href="/pt/html/html-introduction/"
class="nav-link prev"
hx-get="/pt/html/html-introduction/"
hx-target="#topic-content"
hx-push-url="true"
aria-label="Ir para o tópico anterior">
← Anterior
</a>
<div class="nav-center">
<div class="text-sm font-semibold">Tópico 2 de 51</div>
<div class="text-xs mt-1 opacity-75">Html Tutorial</div>
</div>
<a href="/pt/html/html-syntax/"
class="nav-link next"
hx-get="/pt/html/html-syntax/"
hx-target="#topic-content"
hx-push-url="true"
aria-label="Ir para o próximo tópico">
Próximo →
</a>
</div>
</div>
</div>
<script>
const sessionKey = `code_session_${codeExampleId}`;
// Smart Link Click Tracking
document.addEventListener('click', function(event) {
const smartLink = event.target.closest('.smart-link');
if (smartLink) {
const keywordId = smartLink.getAttribute('data-keyword-id');
if (keywordId) {
// Track click asynchronously
fetch('/pt/api/smart-link-click/', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-CSRFToken': 'tXfSKoyufz3JunI9QofPSh3FVJRoK2EpdLEXpVrA6l6aDYPIsh6DNv0oVlvPkkHW'
},
body: JSON.stringify({
keyword_id: keywordId,
source_content_type: 'topic',
source_content_id: 2,
user_agent: navigator.userAgent
})
}).catch(error => {
console.debug('Smart link tracking failed:', error);
});
}
}
});
function openCodeRunner(language, title, codeExampleId) {
const codeElement = document.getElementById('code-' + codeExampleId);
const code = codeElement.textContent;
const formData = new FormData();
formData.append('language', language);
formData.append('title', title);
formData.append('code', code);
formData.append('source_example_id', codeExampleId);
formData.append('csrfmiddlewaretoken', 'tXfSKoyufz3JunI9QofPSh3FVJRoK2EpdLEXpVrA6l6aDYPIsh6DNv0oVlvPkkHW');
fetch('/pt/create-code-session/', {
method: 'POST',
body: formData,
headers: {
'X-Requested-With': 'XMLHttpRequest'
}
})
.then(response => response.json())
.then(data => {
if (data.success) {
window.open(data.url, '_blank');
} else {
console.error('Error creating session:', data.error);
window.open('/pt/try-it/' + language + '/', '_blank');
}
})
.catch(error => {
console.error('Error:', error);
window.open('/pt/try-it/' + language + '/', '_blank');
});
}
document.body.addEventListener('htmx:afterSwap', function() {
window.scrollTo({
top: 0,
behavior: 'smooth'
});
if (typeof Prism !== 'undefined') {
Prism.highlightAll();
}
if (typeof populateQuizStats === 'function') {
populateQuizStats();
}
if (window.mobileMenu && window.mobileMenu.isMenuOpen && window.mobileMenu.isMenuOpen()) {
window.mobileMenu.forceClose();
}
initializeEnhancedFeatures();
});
function initializeEnhancedFeatures() {
document.querySelectorAll('.nav-link, .custom-sidebar-item').forEach(link => {
link.addEventListener('click', function() {
if (this.hasAttribute('hx-get')) {
this.classList.add('loading');
setTimeout(() => {
this.classList.remove('loading');
}, 1000);
}
});
});
document.querySelectorAll('.code-block pre').forEach(pre => {
const code = pre.querySelector('code');
if (code && code.textContent.split('\n').length > 3) {
pre.classList.add('line-numbers');
}
});
}
document.addEventListener('DOMContentLoaded', function() {
initializeEnhancedFeatures();
if (typeof Prism !== 'undefined') {
Prism.highlightAll();
}
document.body.addEventListener('htmx:beforeRequest', function(event) {
const target = event.target;
if (target.classList.contains('nav-link') || target.classList.contains('custom-sidebar-item')) {
target.style.opacity = '0.7';
target.style.pointerEvents = 'none';
}
});
document.body.addEventListener('htmx:afterRequest', function(event) {
const target = event.target;
if (target.classList.contains('nav-link') || target.classList.contains('custom-sidebar-item')) {
target.style.opacity = '1';
target.style.pointerEvents = 'auto';
}
});
});
window.addEventListener('error', function(event) {
console.error('JavaScript error:', event.error);
if (window.innerWidth <= 768) {
const errorDiv = document.createElement('div');
errorDiv.className = 'fixed top-4 left-4 right-4 bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-lg z-50 shadow-lg';
errorDiv.innerHTML = `
<div class="flex items-center justify-between">
<div class="flex items-center">
<span class="text-red-500 mr-2">⚠️</span>
<span><strong>Erro:</strong> Algo deu errado. Por favor, atualize a página.</span>
</div>
<button onclick="this.parentElement.parentElement.remove()" class="text-red-500 hover:text-red-700 ml-2">✕</button>
</div>
`;
document.body.appendChild(errorDiv);
setTimeout(() => {
if (errorDiv.parentElement) {
errorDiv.remove();
}
}, 5000);
}
});
const style = document.createElement('style');
style.textContent = `
@keyframes ripple {
to {
transform: scale(4);
opacity: 0;
}
}
.copy-button {
position: relative;
overflow: hidden;
}
`;
document.head.appendChild(style);
</script>
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<footer class="bg-gray-900 text-white">
<div class="">
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<div>
<h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wide mb-4">Frontend</h3>
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</ul>
</div>
<!-- Advanced Topics -->
<div>
<h3 class="text-sm font-semibold text-gray-300 uppercase tracking-wide mb-4">Avançado</h3>
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