Has Attribute Selector [name]

分类: Selectors > Attribute

attributeHas selector

描述: 选择所有具有指定属性的元素，该属性可以是任何值。

  • 添加的版本: 1.0jQuery( "[attribute]" )

    attribute: 一个属性名

例子:

给具有id属性的div绑定一个单一的点击，文本中增加div的id文本。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>attributeHas demo</title>
  <script src="//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>

Demo: