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Selectors/attributeNotEqual

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[attribute!=value]

Matches elements that either don't have the specified attribute or do have the specified attribute but not with a certain value.
This functionality is equivalent to :not([attr=value]).
Arguments:
attributeString
An attribute name.
valueString
An attribute value. Quotes are optional in most cases, but should be used to avoid conflicts when the value contains characters like "]". Varibles can be used using the following syntax: [name!='" +MyVar+ "']
Examples:

Finds all inputs that don't have the name 'newsletter' and appends text to the span next to it.

$("input[name!=newsletter]").next().append("<b>; not newsletter</b>");

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
                    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
  
  <script>
  $(document).ready(function(){
    $("input[name!=newsletter]").next().append("<b>; not newsletter</b>");
  });
  </script>
  
</head>
<body>
  <div>
    <input type="radio" name="newsletter" value="Hot Fuzz" />
    <span>name is newsletter</span>
  </div>
  <div>
    <input type="radio" value="Cold Fusion" />
    <span>no name</span>
  </div>
  <div>
    <input type="radio" name="accept" value="Evil Plans" />
    <span>name is accept</span>
  </div>
</body>
</html>

NameType