HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery data-version prefix</title>
  <style>
    .widget { padding: 10px; margin: 6px; border: 1px solid #cbd5e1; display: inline-block; }
    .v1-line { outline: 3px solid #2563eb; background: #eff6ff; }
  </style>
</head>
<body>
  <div class="widget" data-version="1">v1</div>
  <div class="widget" data-version="1-beta">v1-beta</div>
  <div class="widget" data-version="2">v2</div>
  <div class="widget" data-version="10">v10</div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("[data-version|='1']").addClass("v1-line");
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

jQuery [data-version|='1'] (Try It)