JavaScript Tutorial/jQuery/change
change(fn) fires when a control loses the input focus and its value has been modified since gaining focus.
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("select").change(function () {
var str = "";
$("select option:selected").each(function () {
str += $(this).text() + " ";
});
$("div").text(str);
})
.change();
});
</script>
</head>
<body>
<body>
<select name="sweets" multiple="multiple">
<option>A</option>
<option selected="selected">B</option>
<option>C</option>
<option selected="selected">D</option>
<option>E</option>
<option>F</option>
</select>
</body>
</html></source>
Trigger change event
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("select").change(function () {
var str = "";
$("select option:selected").each(function () {
str += $(this).text() + " ";
});
$("div").text(str);
})
.trigger("change");
});
</script>
</head>
<body>
<body>
<select name="garden" multiple="multiple">
<option>A</option>
<option selected="selected">B</option>
<option>C</option>
<option selected="selected">D</option>
<option>E</option>
<option>F</option>
</select>
</body>
</html></source>
