HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery check all checkboxes</title>
  <style>
    form { border: 1px dashed #64748b; padding: 12px; margin: 10px 0; }
    label { display: block; margin: 6px 0; }
  </style>
</head>
<body>
  <label><input type="checkbox" id="checkAll"> <strong>Check all</strong></label>
  <form id="prefsForm">
    <label><input type="checkbox"> Email updates</label>
    <label><input type="checkbox"> SMS alerts</label>
    <label><input type="checkbox"> Product news</label>
  </form>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("#checkAll").on("change", function() {
      $("#prefsForm input:checkbox").prop("checked", this.checked);
    });
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

jQuery check-all with input:checkbox (Try It)