Check for outdated packages in your project
📦 Node.js-> Command Line
✨ The Prompt Phrase
npm outdated
💻 Code Preview
📦 All-in-One Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>npm outdated - Interactive Tutorial</title>
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;900&family=Fira+Code:wght@400;500;600&display=swap" rel="stylesheet">
<style>
:root {
--bg-primary: #0a0e27;
--bg-secondary: #151932;
--bg-card: #1e2139;
--accent-purple: #a855f7;
--accent-blue: #3b82f6;
--accent-green: #10b981;
--accent-red: #ef4444;
--accent-yellow: #f59e0b;
--accent-pink: #ec4899;
--accent-orange: #f97316;
--text-primary: #f8fafc;
--text-secondary: #94a3b8;
--gradient-outdated: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
--gradient-blue: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
--shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Poppins', sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
overflow-x: hidden;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 20px;
}
.progress-container {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 5px;
background: var(--bg-secondary);
z-index: 1000;
}
.progress-bar {
height: 100%;
background: var(--gradient-outdated);
width: 0%;
transition: width 0.3s ease;
}
.hero {
text-align: center;
padding: 100px 20px;
background: var(--gradient-outdated);
position: relative;
overflow: hidden;
border-radius: 0 0 50px 50px;
}
.hero::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
animation: float 20s linear infinite;
}
@keyframes float {
from { transform: translateY(0); }
to { transform: translateY(-100px); }
}
.hero-content {
position: relative;
z-index: 1;
}
.clock-icon {
font-size: 5rem;
margin-bottom: 20px;
animation: tick 2s ease-in-out infinite;
}
@keyframes tick {
0%, 100% { transform: rotate(-5deg); }
50% { transform: rotate(5deg); }
}
.command-display {
display: inline-block;
background: rgba(0, 0, 0, 0.4);
padding: 25px 40px;
border-radius: 15px;
font-family: 'Fira Code', monospace;
font-size: 1.8rem;
margin: 30px 0;
border: 3px solid rgba(255, 255, 255, 0.3);
animation: pulse 2s ease-in-out infinite;
color: white;
font-weight: 600;
}
@keyframes pulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.05); }
}
.hero h1 {
font-size: 3.5rem;
font-weight: 900;
margin-bottom: 20px;
color: white;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.hero p {
font-size: 1.4rem;
opacity: 0.95;
color: white;
}
.section {
margin: 60px 0;
}
.section-title {
font-size: 2.5rem;
margin-bottom: 30px;
background: var(--gradient-outdated);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
display: inline-block;
font-weight: 700;
}
.card {
background: var(--bg-card);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
box-shadow: var(--shadow);
border: 1px solid rgba(255, 255, 255, 0.05);
transition: transform 0.3s ease;
}
.card:hover {
transform: translateY(-5px);
}
.code-block {
background: #1e1e1e;
border-radius: 15px;
padding: 25px;
margin: 20px 0;
font-family: 'Fira Code', monospace;
position: relative;
}
.code-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
padding-bottom: 15px;
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.terminal-dots {
display: flex;
gap: 6px;
}
.terminal-dot {
width: 12px;
height: 12px;
border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }
.copy-btn {
background: var(--accent-purple);
color: white;
border: none;
padding: 8px 16px;
border-radius: 8px;
cursor: pointer;
font-size: 0.9rem;
transition: all 0.3s ease;
}
.copy-btn:hover {
background: var(--accent-blue);
transform: scale(1.05);
}
.copy-btn.copied {
background: var(--accent-green);
}
pre {
margin: 0;
overflow-x: auto;
}
code {
color: #e0e0e0;
font-size: 0.95rem;
line-height: 1.8;
}
.code-comment { color: #6a9955; }
.code-string { color: #ce9178; }
.code-keyword { color: #569cd6; }
.steps {
counter-reset: step-counter;
}
.step {
background: var(--bg-secondary);
border-radius: 15px;
padding: 30px;
margin: 20px 0;
position: relative;
padding-left: 100px;
transition: all 0.3s ease;
}
.step:hover {
background: var(--bg-card);
transform: translateX(10px);
}
.step::before {
counter-increment: step-counter;
content: counter(step-counter);
position: absolute;
left: 20px;
top: 50%;
transform: translateY(-50%);
width: 60px;
height: 60px;
background: var(--gradient-outdated);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.8rem;
font-weight: 900;
color: white;
}
.step h3 {
color: var(--accent-pink);
margin-bottom: 10px;
font-size: 1.5rem;
}
.feature-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 25px;
margin: 30px 0;
}
.feature-card {
background: var(--bg-secondary);
padding: 30px;
border-radius: 15px;
text-align: center;
transition: all 0.3s ease;
border: 2px solid transparent;
}
.feature-card:hover {
border-color: var(--accent-orange);
transform: translateY(-10px);
}
.feature-icon {
font-size: 3.5rem;
margin-bottom: 15px;
}
.feature-title {
font-weight: 600;
color: var(--accent-orange);
margin-bottom: 10px;
font-size: 1.3rem;
}
.demo-container {
background: var(--bg-secondary);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
}
.terminal {
background: #1e1e1e;
border-radius: 15px;
padding: 20px;
font-family: 'Fira Code', monospace;
min-height: 300px;
margin: 20px 0;
overflow-y: auto;
max-height: 500px;
}
.terminal-line {
margin: 10px 0;
}
.terminal-prompt {
color: var(--accent-green);
}
.outdated-table {
width: 100%;
border-collapse: collapse;
margin: 20px 0;
font-size: 0.9rem;
}
.outdated-table th {
background: var(--bg-secondary);
padding: 10px;
text-align: left;
color: var(--accent-yellow);
}
.outdated-table td {
padding: 10px;
border-bottom: 1px solid rgba(255,255,255,0.1);
}
.version-current { color: var(--accent-red); }
.version-wanted { color: var(--accent-yellow); }
.version-latest { color: var(--accent-green); }
.demo-button {
background: var(--gradient-outdated);
color: white;
border: none;
padding: 15px 40px;
border-radius: 50px;
font-size: 1.1rem;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
display: inline-flex;
align-items: center;
gap: 10px;
margin: 10px;
}
.demo-button:hover {
transform: scale(1.05);
box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}
.tabs {
display: flex;
gap: 10px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.tab {
padding: 12px 24px;
background: var(--bg-secondary);
border: none;
border-radius: 10px;
color: var(--text-primary);
cursor: pointer;
transition: all 0.3s ease;
font-size: 1rem;
}
.tab:hover {
background: var(--bg-card);
}
.tab.active {
background: var(--gradient-outdated);
color: white;
}
.tab-content {
display: none;
}
.tab-content.active {
display: block;
}
.accordion-header {
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
padding: 20px;
background: var(--bg-secondary);
border-radius: 12px;
margin: 15px 0;
transition: all 0.3s ease;
}
.accordion-header:hover {
background: var(--bg-card);
}
.accordion-icon {
transition: transform 0.3s ease;
font-size: 1.2rem;
}
.accordion-icon.active {
transform: rotate(180deg);
}
.accordion-content {
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}
.accordion-content.active {
max-height: 2000px;
}
.accordion-body {
padding: 20px;
background: var(--bg-secondary);
border-radius: 12px;
margin-top: 5px;
}
.tip, .warning, .success, .info {
padding: 20px;
border-radius: 10px;
margin: 20px 0;
}
.tip {
background: rgba(59, 130, 246, 0.1);
border-left: 4px solid var(--accent-blue);
}
.tip::before { content: '💡 '; font-size: 1.5rem; }
.warning {
background: rgba(239, 68, 68, 0.1);
border-left: 4px solid var(--accent-red);
}
.warning::before { content: '⚠️ '; font-size: 1.5rem; }
.success {
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid var(--accent-green);
}
.success::before { content: '✅ '; font-size: 1.5rem; }
.info {
background: rgba(236, 72, 153, 0.1);
border-left: 4px solid var(--accent-pink);
}
.info::before { content: '🔍 '; font-size: 1.5rem; }
.quiz-container {
background: var(--bg-card);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
}
.quiz-question {
margin: 30px 0;
}
.quiz-question h3 {
color: var(--accent-purple);
margin-bottom: 20px;
font-size: 1.3rem;
}
.quiz-options {
display: flex;
flex-direction: column;
gap: 15px;
}
.quiz-option {
background: var(--bg-secondary);
padding: 20px;
border-radius: 12px;
cursor: pointer;
transition: all 0.3s ease;
border: 2px solid transparent;
}
.quiz-option:hover {
border-color: var(--accent-blue);
transform: translateX(10px);
}
.quiz-option.correct {
border-color: var(--accent-green);
background: rgba(16, 185, 129, 0.1);
}
.quiz-option.incorrect {
border-color: var(--accent-red);
background: rgba(239, 68, 68, 0.1);
}
.quiz-feedback {
margin-top: 15px;
padding: 15px;
border-radius: 10px;
display: none;
}
.quiz-feedback.show {
display: block;
}
.quiz-feedback.correct {
background: rgba(16, 185, 129, 0.1);
border-left: 4px solid var(--accent-green);
}
.quiz-feedback.incorrect {
background: rgba(239, 68, 68, 0.1);
border-left: 4px solid var(--accent-red);
}
.cheat-sheet {
background: var(--gradient-outdated);
border-radius: 20px;
padding: 40px;
margin: 30px 0;
color: white;
}
.cheat-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
margin-top: 30px;
}
.cheat-item {
background: rgba(255, 255, 255, 0.15);
backdrop-filter: blur(10px);
padding: 20px;
border-radius: 15px;
border: 1px solid rgba(255, 255, 255, 0.2);
}
.cheat-item h4 {
color: white;
margin-bottom: 10px;
font-weight: 600;
}
.cheat-item code {
background: rgba(0, 0, 0, 0.3);
padding: 4px 8px;
border-radius: 5px;
font-size: 0.9rem;
color: white;
}
.highlight {
color: var(--accent-yellow);
font-weight: 600;
}
.footer {
text-align: center;
padding: 40px 20px;
background: var(--bg-secondary);
margin-top: 80px;
border-radius: 20px;
}
.footer p {
color: var(--text-secondary);
margin: 10px 0;
}
.badge {
display: inline-block;
padding: 6px 12px;
background: var(--gradient-outdated);
border-radius: 20px;
font-size: 0.85rem;
font-weight: 600;
margin: 5px;
}
.confetti {
position: fixed;
width: 10px;
height: 10px;
background: var(--accent-orange);
animation: confetti-fall 3s linear forwards;
z-index: 9999;
}
@keyframes confetti-fall {
to {
transform: translateY(100vh) rotate(360deg);
opacity: 0;
}
}
@media (max-width: 768px) {
.hero h1 { font-size: 2rem; }
.command-display { font-size: 1.2rem; padding: 15px 20px; }
.section-title { font-size: 1.8rem; }
.card { padding: 25px; }
.step { padding-left: 80px; }
.step::before { width: 50px; height: 50px; font-size: 1.5rem; }
.outdated-table { font-size: 0.8rem; }
}
</style>
</head>
<body>
<div class="progress-container">
<div class="progress-bar" id="progressBar"></div>
</div>
<div class="hero">
<div class="hero-content">
<div class="clock-icon">⏰</div>
<h1>Master npm outdated!</h1>
<div class="command-display">npm outdated</div>
<p>Check which packages need updates! 🔍</p>
</div>
</div>
<div class="container">
<!-- What Is It -->
<section class="section">
<h2 class="section-title">🤔 What Is npm outdated?</h2>
<div class="card">
<p style="font-size: 1.2rem; margin-bottom: 20px;">
This command <span class="highlight">checks</span> all your installed packages and shows which ones have <strong>newer versions available</strong>! ⏰
</p>
<p style="margin-bottom: 20px;">
Think of it like a health checkup for your project! 🏥 It scans all your dependencies and tells you which packages are outdated, what version you have, and what's the latest available version!
</p>
<div class="info">
<strong>Breaking It Down:</strong>
<ul style="margin-left: 30px; margin-top: 10px; line-height: 2;">
<li><code>npm</code> - Node Package Manager</li>
<li><code>outdated</code> - Check for outdated packages</li>
<li>Shows: Current, Wanted, and Latest versions</li>
</ul>
</div>
<div style="margin-top: 30px;">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Why is this important? 🔍</h3>
<p>Keeping packages updated helps you get <strong>bug fixes</strong>, <strong>security patches</strong>, and <strong>new features</strong>. But you need to know what's outdated first!</p>
</div>
</div>
</section>
<!-- Why Use It -->
<section class="section">
<h2 class="section-title">✨ Why Use npm outdated?</h2>
<div class="card">
<div class="feature-grid">
<div class="feature-card">
<div class="feature-icon">🔒</div>
<div class="feature-title">Security</div>
<p style="color: var(--text-secondary);">Find packages with security vulnerabilities!</p>
</div>
<div class="feature-card">
<div class="feature-icon">🐛</div>
<div class="feature-title">Bug Fixes</div>
<p style="color: var(--text-secondary);">Get the latest bug fixes!</p>
</div>
<div class="feature-card">
<div class="feature-icon">✨</div>
<div class="feature-title">New Features</div>
<p style="color: var(--text-secondary);">Access latest improvements!</p>
</div>
<div class="feature-card">
<div class="feature-icon">📊</div>
<div class="feature-title">Overview</div>
<p style="color: var(--text-secondary);">See all outdated packages at once!</p>
</div>
<div class="feature-card">
<div class="feature-icon">🎯</div>
<div class="feature-title">Smart Updates</div>
<p style="color: var(--text-secondary);">Know what to update first!</p>
</div>
<div class="feature-card">
<div class="feature-icon">⚡</div>
<div class="feature-title">Performance</div>
<p style="color: var(--text-secondary);">Get performance improvements!</p>
</div>
</div>
</div>
</section>
<!-- How It Works -->
<section class="section">
<h2 class="section-title">⚙️ How Does It Work?</h2>
<div class="card">
<div class="steps">
<div class="step">
<h3>Step 1: Reads package.json</h3>
<p>npm checks all dependencies listed in your package.json file.</p>
</div>
<div class="step">
<h3>Step 2: Checks npm Registry</h3>
<p>Queries the npm registry to find the latest available versions.</p>
</div>
<div class="step">
<h3>Step 3: Compares Versions</h3>
<p>Compares your installed versions with what's available.</p>
</div>
<div class="step">
<h3>Step 4: Generates Report</h3>
<p>Creates a table showing Current, Wanted, and Latest versions.</p>
</div>
<div class="step">
<h3>Step 5: Color Codes Results</h3>
<p>Uses colors to highlight different update types (red = major, yellow = minor)! 🎨</p>
</div>
</div>
</div>
</section>
<!-- Live Demo -->
<section class="section">
<h2 class="section-title">🎮 Interactive Demo</h2>
<div class="demo-container">
<h3 style="margin-bottom: 20px; font-size: 1.5rem;">See npm outdated in Action! 🚀</h3>
<button class="demo-button" onclick="simulateOutdated()">
<span>⏰</span>
<span>Run npm outdated</span>
</button>
<button class="demo-button" onclick="showVersionExplanation()">
<span>📚</span>
<span>Explain Versions</span>
</button>
<div class="terminal" id="terminal">
<div class="terminal-line">
<span class="terminal-prompt">$</span>
<span style="color: var(--text-secondary);"> Ready for command...</span>
</div>
</div>
</div>
</section>
<!-- Code Breakdown -->
<section class="section">
<h2 class="section-title">💻 Command Variations</h2>
<div class="card">
<div class="tabs">
<button class="tab active" onclick="switchTab('basic')">Basic</button>
<button class="tab" onclick="switchTab('global')">Global</button>
<button class="tab" onclick="switchTab('json')">JSON Output</button>
<button class="tab" onclick="switchTab('specific')">Specific Package</button>
</div>
<div id="basic" class="tab-content active">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Basic Usage</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('basic-code')">📋 Copy</button>
</div>
<pre><code id="basic-code"><span class="code-comment"># Check all outdated packages</span>
npm outdated
<span class="code-comment"># Shows a table with:</span>
<span class="code-comment"># - Package name</span>
<span class="code-comment"># - Current version</span>
<span class="code-comment"># - Wanted version (respects semver)</span>
<span class="code-comment"># - Latest version</span>
<span class="code-comment"># - Location</span></code></pre>
</div>
</div>
<div id="global" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Check Global Packages</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('global-code')">📋 Copy</button>
</div>
<pre><code id="global-code"><span class="code-comment"># Check globally installed packages</span>
npm outdated -g
<span class="code-comment"># Or with --global flag</span>
npm outdated --global</code></pre>
</div>
</div>
<div id="json" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">JSON Output</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('json-code')">📋 Copy</button>
</div>
<pre><code id="json-code"><span class="code-comment"># Get output in JSON format</span>
npm outdated --json
<span class="code-comment"># Useful for automation and scripts!</span></code></pre>
</div>
<div class="tip" style="margin-top: 15px;">
<strong>Pro Tip:</strong> Use JSON output to integrate with CI/CD pipelines!
</div>
</div>
<div id="specific" class="tab-content">
<h3 style="color: var(--accent-pink); margin-bottom: 15px;">Check Specific Package</h3>
<div class="code-block">
<div class="code-header">
<div class="terminal-dots">
<div class="terminal-dot dot-red"></div>
<div class="terminal-dot dot-yellow"></div>
<div class="terminal-dot dot-green"></div>
</div>
<button class="copy-btn" onclick="copyCode('specific-code')">📋 Copy</button>
</div>
<pre><code id="specific-code"><span class="code-comment"># Check specific package only</span>
npm outdated lodash
<span class="code-comment"># Check multiple packages</span>
npm outdated lodash express react</code></pre>
</div>
</div>
</div>
</section>
<!-- Common Mistakes -->
<section class="section">
<h2 class="section-title">❌ Common Mistakes</h2>
<div class="card">
<div class="accordion">
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>1. Updating Everything Blindly</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> Updating all packages at once without testing!
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Update packages gradually and test after each update. Check for breaking changes!
</div>
</div>
</div>
</div>
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>2. Ignoring Major Version Updates</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> Major version updates often have breaking changes!
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Read the changelog before updating major versions. Test thoroughly!
</div>
</div>
</div>
</div>
<div class="accordion-item">
<div class="accordion-header" onclick="toggleAccordion(this)">
<span><strong>3. Not Running npm outdated Regularly</strong></span>
<span class="accordion-icon">▼</span>
</div>
<div class="accordion-content">
<div class="accordion-body">
<div class="warning">
<strong>Problem:</strong> Letting packages get too outdated makes updates harder!
</div>
<div class="success" style="margin-top: 15px;">
<strong>Solution:</strong> Check for outdated packages weekly or monthly. Keep dependencies fresh!
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- Pro Tips -->
<section class="section">
<h2 class="section-title">🚀 Pro Tips</h2>
<div class="card">
<div class="tip">
<strong>Use with npm update</strong> - After checking outdated packages, use <code>npm update</code> to update them!
</div>
<div class="tip">
<strong>Check before deployment</strong> - Run npm outdated before deploying to production!
</div>
<div class="tip">
<strong>Understand color codes</strong> - Red = major update (breaking), Yellow = minor/patch (safe)
</div>
<div class="tip">
<strong>Use --depth flag</strong> - Control how deep to check dependencies: <code>npm outdated --depth=0</code>
</div>
<div class="tip">
<strong>Automate checks</strong> - Add npm outdated to your CI/CD pipeline to catch outdated packages early!
</div>
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</section>
<!-- Quiz -->
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<h2 class="section-title">🎯 Knowledge Check Quiz</h2>
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<p style="margin-bottom: 30px; font-size: 1.1rem;">Test your understanding! 🧠</p>
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<h3>Question 1: What does npm outdated show?</h3>
<div class="quiz-options">
<div class="quiz-option" onclick="checkAnswer(this, false, 1)">A) Only broken packages</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 1)">B) Packages with newer versions available</div>
<div class="quiz-option" onclick="checkAnswer(this, false, 1)">C) All installed packages</div>
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<div class="quiz-feedback" id="feedback1"></div>
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<h3>Question 2: What does the "Wanted" column mean?</h3>
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<div class="quiz-option" onclick="checkAnswer(this, false, 2)">A) The version you want to install</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 2)">B) The latest version that respects your semver range</div>
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<h3>Question 3: Should you update all packages immediately?</h3>
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<div class="quiz-option" onclick="checkAnswer(this, false, 3)">A) Yes, always update everything</div>
<div class="quiz-option" onclick="checkAnswer(this, true, 3)">B) No, review changes and test carefully</div>
<div class="quiz-option" onclick="checkAnswer(this, false, 3)">C) Never update anything</div>
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<section class="section">
<h2 class="section-title">📚 Quick Reference</h2>
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<h3 style="margin-bottom: 20px; font-size: 2rem;">npm outdated Cheat Sheet! 🔖</h3>
<div class="cheat-grid">
<div class="cheat-item">
<h4>⏰ Basic Check</h4>
<p><code>npm outdated</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Check all packages</p>
</div>
<div class="cheat-item">
<h4>🌍 Global</h4>
<p><code>npm outdated -g</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Check global packages</p>
</div>
<div class="cheat-item">
<h4>📄 JSON</h4>
<p><code>npm outdated --json</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">JSON format output</p>
</div>
<div class="cheat-item">
<h4>🎯 Specific</h4>
<p><code>npm outdated lodash</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Check one package</p>
</div>
<div class="cheat-item">
<h4>📊 Depth</h4>
<p><code>npm outdated --depth=0</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Top-level only</p>
</div>
<div class="cheat-item">
<h4>🔄 Update After</h4>
<p><code>npm update</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Update packages</p>
</div>
<div class="cheat-item">
<h4>🔒 Audit</h4>
<p><code>npm audit</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">Check security</p>
</div>
<div class="cheat-item">
<h4>📝 Long Output</h4>
<p><code>npm outdated --long</code></p>
<p style="font-size: 0.85rem; margin-top: 5px;">More details</p>
</div>
</div>
</div>
</section>
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<p style="font-size: 1.2rem; margin-bottom: 20px;">You now understand <strong>npm outdated</strong>! 🚀</p>
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<span class="badge">⏰ Update Detective</span>
<span class="badge">📦 Version Master</span>
<span class="badge">🔍 Dependency Expert</span>
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<p style="color: var(--text-secondary); font-size: 0.9rem;">Made with ❤️ for developers learning npm</p>
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<table class="outdated-table">
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<th>Package</th>
<th>Current</th>
<th>Wanted</th>
<th>Latest</th>
<th>Location</th>
</tr>
<tr>
<td>lodash</td>
<td class="version-current">4.17.19</td>
<td class="version-wanted">4.17.21</td>
<td class="version-latest">4.17.21</td>
<td>node_modules/lodash</td>
</tr>
<tr>
<td>express</td>
<td class="version-current">4.17.1</td>
<td class="version-wanted">4.18.2</td>
<td class="version-latest">4.18.2</td>
<td>node_modules/express</td>
</tr>
<tr>
<td>react</td>
<td class="version-current">17.0.2</td>
<td class="version-wanted">17.0.2</td>
<td class="version-latest">18.2.0</td>
<td>node_modules/react</td>
</tr>
</table>
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<div class="terminal-line" style="color: var(--accent-blue); font-weight: 600; margin-bottom: 15px;">📚 Understanding Versions:</div>
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<span class="version-current">Current:</span> <span style="color: var(--text-secondary);">The version you have installed right now</span>
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<span class="version-wanted">Wanted:</span> <span style="color: var(--text-secondary);">The latest version that respects your semver range in package.json</span>
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<span class="version-latest">Latest:</span> <span style="color: var(--text-secondary);">The absolute latest version available on npm</span>
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<div class="terminal-line" style="margin-top: 20px; color: var(--accent-yellow);">
💡 If Current ≠ Wanted, run <code>npm update</code><br>
💡 If Wanted ≠ Latest, you might need to update package.json
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