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Dependent Select Lists (HTML)

A country list that rewrites a region list in the browser. The regions live in a script rather than the markup, so a scraper that reads the shipped HTML sees an empty second list and one that drives a real browser sees four options.

Preview — first 34 lineshtml
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Dependent select lists - Novus Examples</title>
<meta name="description" content="The second list is rebuilt in the browser from the first list&#x27;s choice. SAMPLE test data only.">
<style>:root{--bg:#f6f7f9;--card:#fff;--fg:#1a1d23;--muted:#5b6472;--border:#d9dee6;--accent:#0f9d6b;--accent-d:#0c7f56;--err:#d33;--radius:10px}*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--fg);padding:2rem 1rem}.wrap{max-width:640px;margin:0 auto}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.75rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}h1{margin:0 0 .25rem;font-size:1.55rem}.lead{margin:0 0 1.5rem;color:var(--muted)}form{display:grid;gap:1.1rem}.field{display:grid;gap:.35rem}label{font-weight:600;font-size:.92rem}.req{color:var(--err)}.hint{font-size:.8rem;color:var(--muted)}input,select,textarea{font:inherit;color:inherit;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:.6rem .7rem;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}textarea{resize:vertical;min-height:110px}input[type=range]{padding:0}input[type=color]{height:44px;padding:.25rem}input[type=file]{padding:.45rem}.group{display:grid;gap:.45rem}.opt{display:flex;align-items:center;gap:.55rem;font-weight:400}.opt input{width:auto}.inline{display:flex;flex-wrap:wrap;gap:1rem}fieldset{border:1px solid var(--border);border-radius:12px;padding:1rem;margin:0}legend{font-weight:600;padding:0 .4rem}.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}button{font:inherit;font-weight:700;cursor:pointer;border:0;border-radius:var(--radius);padding:.7rem 1.3rem}.btn{background:var(--accent);color:#fff}.btn:hover{background:var(--accent-d)}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.3rem}.ok{display:none;background:#e7f7ef;border:1px solid #b6e6cf;color:#0c7f56;border-radius:var(--radius);padding:.7rem .9rem;font-size:.9rem}.foot{margin-top:1.25rem;font-size:.78rem;color:var(--muted);text-align:center}@media(max-width:480px){body{padding:1rem .5rem}.card{padding:1.25rem}}.grid2{display:grid;gap:1.1rem;grid-template-columns:1fr}@media(min-width:560px){.grid2{grid-template-columns:1fr 1fr}}.note{font-size:.82rem;color:var(--muted);border-left:3px solid var(--border);padding:.15rem 0 .15rem .7rem;margin:.2rem 0}.steps{display:flex;gap:.4rem;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 1.1rem;font-size:.8rem}.steps li{border:1px solid var(--border);border-radius:999px;padding:.2rem .7rem;color:var(--muted)}.steps li[aria-current=step]{border-color:var(--accent);color:var(--accent-d);font-weight:700}.vh{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}table.matrix{width:100%;border-collapse:collapse;font-size:.85rem}table.matrix th,table.matrix td{border:1px solid var(--border);padding:.4rem .5rem;text-align:left}table.matrix th{background:#eef1f5;font-weight:600}[data-branch]{display:none}[data-branch].on{display:grid}input:read-only,textarea:read-only{background:#f1f3f6;color:var(--muted)}input:disabled,select:disabled,textarea:disabled{background:#eceff3;color:#9aa3af}</style>
</head>
<body>
<main class="wrap"><div class="card">
<h1>Dependent select lists</h1>
<p class="lead">The second list is rebuilt in the browser from the first list&#x27;s choice. SAMPLE test data only.</p>
<form method="post" action="#" novalidate>
<div class="hp" aria-hidden="true"><label>Leave this field empty<input type="text" name="website" tabindex="-1" autocomplete="off"></label></div>
<fieldset><legend>Destination</legend>
<div class="field"><label for="f-country">Country <span class="req">*</span></label><select id="f-country" name="country" autocomplete="country" required><option value="">Choose a country</option><option value="gb">United Kingdom</option><option value="de">Germany</option><option value="us">United States</option></select></div>
<div class="field"><label for="f-region">Region</label><select id="f-region" name="region"><option value="">Choose a country first</option></select><span class="hint">This list is empty in the shipped file and filled by the browser.</span></div>
</fieldset>
<fieldset><legend>Delivery</legend>
<div class="field"><label for="f-postal_code">Postal code</label><input id="f-postal_code" type="text" name="postal_code" autocomplete="postal-code"></div>
<div class="field"><label for="f-deliver_after">Deliver on or after</label><input id="f-deliver_after" type="date" name="deliver_after" min="2026-01-01" value="2026-05-04"></div>
</fieldset>
<p class="hint" data-locked="notice">SAMPLE test data only - nothing is submitted, uploaded, or stored.</p>
<div class="ok" role="status">Sample validated locally - nothing was sent.</div>
<div class="actions"><button type="submit" class="btn">Read the pair</button></div>
</form>
<script>var REGIONS={gb:[['eng','England'],['sct','Scotland'],['wls','Wales'],['nir','Northern Ireland']],de:[['by','Bavaria'],['be','Berlin'],['hh','Hamburg'],['nw','North Rhine-Westphalia']],us:[['ca','California'],['ny','New York'],['tx','Texas'],['wa','Washington']]};var country=document.getElementById('f-country');var region=document.getElementById('f-region');country.addEventListener('change',function(){region.textContent='';var list=REGIONS[country.value]||[];list.forEach(function(pair){var o=document.createElement('option');o.value=pair[0];o.textContent=pair[1];region.appendChild(o);});});</script>
<p class="foot">Free example form from Novus Examples · works offline, no data leaves your browser.</p>
</div></main>
<script>document.querySelectorAll('form').forEach(function(f){f.addEventListener('submit',function(e){e.preventDefault();var hp=f.querySelector('.hp input');if(hp&&hp.value){return;}if(!f.checkValidity()){f.reportValidity();return;}var ok=f.querySelector('.ok');if(ok){ok.style.display='block';ok.scrollIntoView({block:'nearest'});}f.reset();});});</script>
</body>
</html>

Specifications

Fields
4
Use Case
shipping
Validation
HTML5 native
Honeypot
true
Standalone
true
Dependencies
none
Dependent Lists
2
Regions In Markup
false

What is a .html file?

HTML (HyperText Markup Language) is the structural markup language of the web, using nested tags to define document content, semantics, and links. It is typically paired with CSS for presentation and JavaScript for behavior. It is the foundational format rendered by browsers.

How to use this file

Use an example HTML file to test parsers, DOM construction, sanitization of untrusted markup, and rendering or scraping pipelines.

How to use this file for testing

“Dependent Select Lists (HTML)” is a deterministic Novus Examples fixture for Form testing, Form parsing, Autofill testing, HTML parsing. HTML and PDF form files for testing scrapers, autofill, validators, and PDF form fillers across real-life use cases.

Documented properties for this file: 4 fields. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.

This form is fictional SAMPLE content for tooling tests (autofill, scrapers, PDF fillers). It is not an official government, bank, or clinic form. Open the HTML offline or fill the PDF in any viewer; the demo submit path never stores data.

Embed this form

It's a single self-contained HTML file (inlined CSS, native validation, no external requests). Download it, host it on your own site, and drop it into any page with an iframe.

iframe embed
<!-- Download dependent-select-form.html, host it on your site, then embed the form anywhere: -->
<iframe
  src="/path/to/dependent-select-form.html"
  title="Dependent Select Lists (HTML)"
  width="100%"
  height="640"
  loading="lazy"
  style="border:0">
</iframe>

Generated by generation/forms_p7.py. Free for any use, no attribution required — license.