Примеры для jQuery Смежные селекторы (“prev + next”)

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Finds all inputs that are next to a label.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>next adjacent demo</title>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<form>
  <label for="name">Name:</label>
  <input name="name" id="name">
  <fieldset>
    <label for="newsletter">Newsletter:</label>
    <input name="newsletter" id="newsletter">
  </fieldset>
</form>
<input name="none">
 
<script>
$( "label + input" ).css( "color", "blue" ).val( "Labeled!" );
</script>
 
</body>
</html>

Демонстрация: