HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>readonly — form example</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}form{max-width:360px}label{display:block;margin:.75rem 0 .35rem;font-weight:500;font-size:.875rem}label:first-of-type{margin-top:0}input,textarea{width:100%;padding:.5rem .65rem;font:inherit;border:1px solid #cbd5e1;border-radius:6px;box-sizing:border-box;background:#f8fafc}textarea{min-height:72px;resize:vertical}button{margin-top:1rem;padding:.5rem 1.25rem;font:inherit;cursor:pointer;border-radius:6px;border:none;background:#2563eb;color:#fff}.hint{font-size:.8125rem;color:#64748b;margin-top:.75rem}</style>

</head>

<body>

  <h1>readonly form fields</h1>



  <form>

    <label for=username>Username:</label>

    <input id=username name=username value=jane_doe readonly>



    <label for=email>Email:</label>

    <input type=email id=email name=email value=jane@example.com readonly>



    <label for=comments>Notes:</label>

    <textarea id=comments name=comments readonly>Account created on Jan 2025.</textarea>



    <button type=submit>Save changes</button>

Try editing — fields are locked but still submit with the form.

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HTML readonly Attribute — read-only form