Has attribute selector [name]

Selects elements that have the specified attribute, with any value.

jQuery( "[attribute]" )

version added: 1.0

Examples:

Bind a single click to divs with an id that adds the id to the div's text.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>attributeHas demo</title>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
  
<div>no id</div>
<div id="hey">with id</div>
<div id="there">has an id</div>
<div>nope</div>
  
<script>
// Using .one() so the handler is executed at most once
// per element per event type
$( "div[id]" ).one( "click", function() {
  var idString = $( this ).text() + " = " + $( this ).attr( "id" );
  $( this ).text( idString );
});
</script>
  
</body>
</html>

Links:

http://api.jquery.com/has-attribute-selector

doc_jQuery

2025-01-10 15:47:30

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