Master Code Block (This will be used for further examples)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Lists Example</title>
</head>
<body>
<!--All content to be added here-->
</body>
</html>In HTML, lists help you display items in a neat, readable format. There are two main types:
🏷 Unordered Lists (<ul>)
Use when the order doesn’t matter
Shows bullet points by default
Great for things like ingredients, features, or tasks
Example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>UL LI Anatomy</title>
<style>
.infographic-ulli {
--ink: #1a1a1a;
--ink-soft: #5c5c5c;
--paper: #ffffff;
--paper-alt: #f0ece4;
--accent: #2563eb;
--accent-soft:#e3ebfd;
--line: #ddd6c9;
box-sizing: border-box;
margin: 0 auto;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
background: var(--paper);
color: var(--ink);
border-radius: 14px;
overflow: hidden;
}
.infographic-ulli[data-theme="dark"] {
--ink: #e8e6e1;
--ink-soft: #9a968c;
--paper: #121212;
--paper-alt: #1e1e26;
--accent: #5b8def;
--accent-soft:#202942;
--line: #2c313d;
}
.ha-layout { display: flex; flex-direction: column; gap: 1.5rem; }
.ha-code {
background: #0b0b0b;
border: 1px solid #2a2a2a;
border-radius: 10px;
padding: 1rem 0.9rem;
font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
font-size: 0.86rem;
line-height: 1.9;
overflow-x: auto;
}
.ha-line {
display: block;
white-space: pre;
color: #8a8a8a;
border-radius: 5px;
padding: 0.05rem 0.4rem;
}
.ha-line.ha-clickable {
cursor: pointer;
color: #e5e5e5;
transition: background 0.15s ease, box-shadow 0.15s ease;
}
.ha-line.ha-clickable:hover { background: #1c2333; }
.ha-line.ha-active {
background: #1c2333;
box-shadow: inset 3px 0 0 #5b8def;
color: #ffffff;
}
.ha-tag { color: #60a5fa; font-weight: 700; }
.ha-tag-list { color: #f472b6; font-weight: 700; }
.ha-browser {
border: 1px solid var(--line);
border-radius: 10px;
overflow: hidden;
background: var(--paper);
}
.ha-browser-bar {
background: var(--paper-alt);
padding: 0.5rem 0.7rem;
display: flex;
align-items: center;
gap: 0.5rem;
border-bottom: 1px solid var(--line);
}
.ha-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.ha-tab {
background: var(--paper);
border: 1px solid var(--line);
border-bottom: none;
border-radius: 6px 6px 0 0;
font-size: 0.72rem;
color: var(--ink-soft);
padding: 0.25rem 0.6rem;
}
.ha-urlrow {
background: var(--paper-alt);
padding: 0.35rem 0.7rem 0.6rem;
font-size: 0.72rem;
color: var(--ink-soft);
font-family: "SFMono-Regular", Consolas, monospace;
}
.ha-screen {
background: #ffffff;
color: #111;
padding: 1.2rem 1.4rem 1.4rem;
font-family: Georgia, "Times New Roman", serif;
}
.ha-out-ul {
margin: 0;
padding-left: 1.3rem;
}
.ha-out-li {
font-size: 0.95rem;
padding: 0.1rem 0.35rem;
border-radius: 5px;
margin-left: -0.35rem;
transition: background 0.2s ease, outline 0.2s ease;
}
.ha-out-lit {
background: var(--accent-soft);
outline: 2px solid var(--accent);
}
</style>
</head>
<body>
<div class="infographic-ulli" id="ha-root">
<div class="ha-inner">
<div class="ha-layout">
<div class="ha-code">
<span class="ha-line"><<span class="ha-tag">body</span>></span>
<span class="ha-line ha-clickable" data-part="ul"> <<span class="ha-tag-list">ul</span>></span>
<span class="ha-line ha-clickable" data-part="li1"> <<span class="ha-tag-list">li</span>>Milk</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="li2"> <<span class="ha-tag-list">li</span>>Bread</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="li3"> <<span class="ha-tag-list">li</span>>Cheese</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="ul"> </<span class="ha-tag-list">ul</span>></span>
<span class="ha-line"></<span class="ha-tag">body</span>></span>
</div>
<div class="ha-browser">
<div class="ha-browser-bar">
<span class="ha-dot"></span><span class="ha-dot"></span><span class="ha-dot"></span>
<div class="ha-tab">🌐 Page Title</div>
</div>
<div class="ha-urlrow">127.0.0.1:5500/basicstructure.html</div>
<div class="ha-screen">
<ul class="ha-out-ul" id="out-ul">
<li class="ha-out-li" id="out-li1">Milk</li>
<li class="ha-out-li" id="out-li2">Bread</li>
<li class="ha-out-li" id="out-li3">Cheese</li>
</ul>
</div>
</div>
</div>
</div>
</div>
<script>
(function () {
const wrapper = document.getElementById('ha-root');
const bodyAttr = document.body.getAttribute('data-darkmode');
let dark;
if (bodyAttr === 'true') {
dark = true;
} else if (bodyAttr === 'false') {
dark = false;
} else {
const match = document.cookie.match(/(?:^|;\s*)darkMode=([^;]+)/);
dark = match ? match[1] === 'true' : false;
}
if (dark) wrapper.setAttribute('data-theme', 'dark');
})();
(function () {
const outMap = { ul: ['out-ul'], li1: ['out-li1'], li2: ['out-li2'], li3: ['out-li3'] };
const lines = document.querySelectorAll('.ha-line.ha-clickable');
lines.forEach(line => {
line.addEventListener('click', () => {
const part = line.getAttribute('data-part');
document.querySelectorAll('.ha-line').forEach(l => {
l.classList.toggle('ha-active', l.getAttribute('data-part') === part);
});
document.querySelectorAll('.ha-out-li, .ha-out-ul').forEach(o => o.classList.remove('ha-out-lit'));
if (part === 'ul') {
document.getElementById('out-li1').classList.add('ha-out-lit');
document.getElementById('out-li2').classList.add('ha-out-lit');
document.getElementById('out-li3').classList.add('ha-out-lit');
} else {
outMap[part].forEach(id => document.getElementById(id).classList.add('ha-out-lit'));
}
});
});
})();
</script>
</body>
</html>.demo {
font-family: system-ui, sans-serif;
padding: 16px;
}
.demo h1 {
color: #2563eb;
margin: 0 0 8px;
}
.demo p {
color: #4b5563;
margin: 0;
}document.querySelector('.demo h1')?.addEventListener('click', () => {
alert('Hello from live preview!');
});🏷 Ordered Lists (<ol>)
Use when the order does matter
Numbers the items automatically
Perfect for steps, instructions, rankings, etc.
Example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>OL LI Anatomy</title>
<style>
.infographic-olli {
--ink: #1a1a1a;
--ink-soft: #5c5c5c;
--paper: #ffffff;
--paper-alt: #f0ece4;
--accent: #2563eb;
--accent-soft:#e3ebfd;
--line: #ddd6c9;
box-sizing: border-box;
margin: 0 auto;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
background: var(--paper);
color: var(--ink);
border-radius: 14px;
overflow: hidden;
}
.infographic-olli[data-theme="dark"] {
--ink: #e8e6e1;
--ink-soft: #9a968c;
--paper: #121212;
--paper-alt: #1e1e26;
--accent: #5b8def;
--accent-soft:#202942;
--line: #2c313d;
}
.ha-layout { display: flex; flex-direction: column; gap: 1.5rem; }
.ha-code {
background: #0b0b0b;
border: 1px solid #2a2a2a;
border-radius: 10px;
padding: 1rem 0.9rem;
font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
font-size: 0.86rem;
line-height: 1.9;
overflow-x: auto;
}
.ha-line {
display: block;
white-space: pre;
color: #8a8a8a;
border-radius: 5px;
padding: 0.05rem 0.4rem;
}
.ha-line.ha-clickable {
cursor: pointer;
color: #e5e5e5;
transition: background 0.15s ease, box-shadow 0.15s ease;
}
.ha-line.ha-clickable:hover { background: #1c2333; }
.ha-line.ha-active {
background: #1c2333;
box-shadow: inset 3px 0 0 #5b8def;
color: #ffffff;
}
.ha-tag { color: #60a5fa; font-weight: 700; }
.ha-tag-list { color: #f472b6; font-weight: 700; }
.ha-browser {
border: 1px solid var(--line);
border-radius: 10px;
overflow: hidden;
background: var(--paper);
}
.ha-browser-bar {
background: var(--paper-alt);
padding: 0.5rem 0.7rem;
display: flex;
align-items: center;
gap: 0.5rem;
border-bottom: 1px solid var(--line);
}
.ha-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.ha-tab {
background: var(--paper);
border: 1px solid var(--line);
border-bottom: none;
border-radius: 6px 6px 0 0;
font-size: 0.72rem;
color: var(--ink-soft);
padding: 0.25rem 0.6rem;
}
.ha-urlrow {
background: var(--paper-alt);
padding: 0.35rem 0.7rem 0.6rem;
font-size: 0.72rem;
color: var(--ink-soft);
font-family: "SFMono-Regular", Consolas, monospace;
}
.ha-screen {
background: #ffffff;
color: #111;
padding: 1.2rem 1.4rem 1.4rem;
font-family: Georgia, "Times New Roman", serif;
}
.ha-out-ol {
margin: 0;
padding-left: 1.4rem;
}
.ha-out-li {
font-size: 0.95rem;
padding: 0.1rem 0.35rem;
border-radius: 5px;
margin-left: -0.35rem;
transition: background 0.2s ease, outline 0.2s ease;
}
.ha-out-lit {
background: var(--accent-soft);
outline: 2px solid var(--accent);
}
</style>
</head>
<body>
<div class="infographic-olli" id="ha-root">
<div class="ha-inner">
<div class="ha-layout">
<div class="ha-code">
<span class="ha-line"><<span class="ha-tag">body</span>></span>
<span class="ha-line ha-clickable" data-part="ol"> <<span class="ha-tag-list">ol</span>></span>
<span class="ha-line ha-clickable" data-part="li1"> <<span class="ha-tag-list">li</span>>Wake up</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="li2"> <<span class="ha-tag-list">li</span>>Brush your teeth</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="li3"> <<span class="ha-tag-list">li</span>>Have breakfast</<span class="ha-tag-list">li</span>></span>
<span class="ha-line ha-clickable" data-part="ol"> </<span class="ha-tag-list">ol</span>></span>
<span class="ha-line"></<span class="ha-tag">body</span>></span>
</div>
<div class="ha-browser">
<div class="ha-browser-bar">
<span class="ha-dot"></span><span class="ha-dot"></span><span class="ha-dot"></span>
<div class="ha-tab">🌐 Page Title</div>
</div>
<div class="ha-urlrow">127.0.0.1:5500/basicstructure.html</div>
<div class="ha-screen">
<ol class="ha-out-ol" id="out-ol">
<li class="ha-out-li" id="out-li1">Wake up</li>
<li class="ha-out-li" id="out-li2">Brush your teeth</li>
<li class="ha-out-li" id="out-li3">Have breakfast</li>
</ol>
</div>
</div>
</div>
</div>
</div>
<script>
(function () {
const wrapper = document.getElementById('ha-root');
const bodyAttr = document.body.getAttribute('data-darkmode');
let dark;
if (bodyAttr === 'true') {
dark = true;
} else if (bodyAttr === 'false') {
dark = false;
} else {
const match = document.cookie.match(/(?:^|;\s*)darkMode=([^;]+)/);
dark = match ? match[1] === 'true' : false;
}
if (dark) wrapper.setAttribute('data-theme', 'dark');
})();
(function () {
const outMap = { ol: ['out-li1','out-li2','out-li3'], li1: ['out-li1'], li2: ['out-li2'], li3: ['out-li3'] };
const lines = document.querySelectorAll('.ha-line.ha-clickable');
lines.forEach(line => {
line.addEventListener('click', () => {
const part = line.getAttribute('data-part');
document.querySelectorAll('.ha-line').forEach(l => {
l.classList.toggle('ha-active', l.getAttribute('data-part') === part);
});
document.querySelectorAll('.ha-out-li').forEach(o => o.classList.remove('ha-out-lit'));
outMap[part].forEach(id => document.getElementById(id).classList.add('ha-out-lit'));
});
});
})();
</script>
</body>
</html>.demo {
font-family: system-ui, sans-serif;
padding: 16px;
}
.demo h1 {
color: #2563eb;
margin: 0 0 8px;
}
.demo p {
color: #4b5563;
margin: 0;
}document.querySelector('.demo h1')?.addEventListener('click', () => {
alert('Hello from live preview!');
});📝 Key Points
Both lists use <li> for each list item
<ul>= unordered (bullets)<ol>= ordered (numbers)
You can nest lists inside one another too (we’ll get to that later)