jQuery attribute begins with selector
Description and Syntax
$('[foo^=bar]')
selects all elements that have the foo attribute with a value
beginning with bar.
Examples
| Selector | Selects |
|---|---|
| $('[id^=hello]') | all elements that have an id beginning with hello |
| $('input[name^=my]') | all <input> elements that have a name value beginning with my |
The following code illustrates how to select all elements that have IDs that include the string "user" at the beginning of the ID.
<!DOCTYPE html>
<html>
<head>
<script src="http://java2s.com/style/jquery-1.8.0.min.js">
</script>
<script>
var userInfo = $("[id^='user']").length;
document.writeln(n);
</script>
</head>
<body>
<form>
<input id="userName" type="text" />
<input id="userId" type="text" />
<input id="userPhone" type="text" />
</form>
</body>
</html><!-- w ww. j av a 2s .c om-->
Match input element with attribute value
The following code checks the name of the input control.
<html>
<head>
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){<!--from w ww.j a v a 2s. c o m-->
$("input[name^='A']").val("data");
});
</script>
</head>
<body>
<input name="Abc" />
<input name="Bcd" />
<input name="Cde" />
</body>
</html>