Description: Select elements that either don't have the specified attribute, or do have the specified attribute but not with a certain value.
This selector is equivalent to :not([attr=value])
.
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-latest.js"></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>
<script>$("input[name!=newsletter]").next().append("<b>; not newsletter</b>");</script>
</body>
</html>