radio的change事件

radio的change事件

<script type="text/javascript">
$(document).ready(function() {

$(".radioItem").change(function() {

var $selectedvalue = $("input[name=‘rl$tt‘]:checked").val();

// alert($selectedvalue);

if ($selectedvalue == 1) {

alert(‘1‘);

} else {

alert(‘2‘);

}

});

});
</script>

<input id="rl_1" class="radioItem" checked="checked" name="rl$tt" type="radio" value="1" />
<label>1</label>
<input id="rl_2" class="radioItem" name="rl$tt" type="radio" value="2" />
<label>2</label>

来自为知笔记(Wiz)