溢出旋转器限制范围从 -10 到 10。对于 10 以上的值,会溢出到 -10,反之亦然。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 旋转器(Spinner) - 溢出</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://jqueryui.com/resources/demos/external/jquery.mousewheel.js"></script>
<script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css">
<script>
$(function() {
$( "#spinner" ).spinner({
spin: function( event, ui ) {
if ( ui.value > 10 ) {
$( this ).spinner( "value", -10 );
return false;
} else if ( ui.value < -10 ) {
$( this ).spinner( "value", 10 );
return false;
}
}
});
});
</script>
</head>
<body>
<p>
<label for="spinner">选择一个值:</label>
<input id="spinner" name="value">
</p>
</body>
</html>