:checked Selector
checked selector
version added: 1.0jQuery(':checked')
Description: Matches all elements that are checked.
The :checked selector works for checkboxes and radio buttons. For select elements, use the :selected selector.
Examples:
Example: Finds all input elements that are checked.
<!DOCTYPE html>
<html>
<head>
<style>
div { color:red; }
</style>
<script src="http://code.jquery.com/jquery-1.7rc2.js"></script>
</head>
<body>
<form>
<p>
<input type="checkbox" name="newsletter" checked="checked" value="Hourly" />
<input type="checkbox" name="newsletter" value="Daily" />
<input type="checkbox" name="newsletter" value="Weekly" />
<input type="checkbox" name="newsletter" checked="checked" value="Monthly" />
<input type="checkbox" name="newsletter" value="Yearly" />
</p>
</form>
<div></div>
<script>
function countChecked() {
var n = $("input:checked").length;
$("div").text(n + (n <= 1 ? " is" : " are") + " checked!");
}
countChecked();
$(":checkbox").click(countChecked);
</script>
</body>
</html>Example:
<!DOCTYPE html>
<html>
<head>
<style>
input, label { line-height: 1.5em; }
</style>
<script src="http://code.jquery.com/jquery-1.7rc2.js"></script>
</head>
<body>
<form>
<div>
<input type="radio" name="fruit" value="orange" id="orange">
<label for="orange">orange</label>
</div>
<div>
<input type="radio" name="fruit" value="apple" id="apple">
<label for="apple">apple</label>
</div>
<div>
<input type="radio" name="fruit" value="banana" id="banana">
<label for="banana">banana</label>
</div>
<div id="log"></div>
</form>
<script>
$("input").click(function() {
$("#log").html( $(":checked").val() + " is checked!" );
});
</script>
</body>
</html>