这样:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JQuery radio</title>
<script type="text/javascript" language="javascript" src="JavaScript/jquery-1.6.1.min.js" ></script>
<script type="text/javascript">
$(function () {
$("input").click(function () {
if ($(this).attr("checked")) {
alert("选中了");
}
});
});
</script>
</head>
<body>
<input type="radio"/>
</body>
</html>
注意事项
<form>
<input type="radio" id="radio1" />
<input type="button" οnclick="check()" value="选中" />
<input type="button" οnclick="uncheck()" value="取消" />
</form>
function check() {
//被选中
document.getElementById("radio1").checked = true
//被选中时,可以执行的方法
if(document.getElementById("radio1").checked == true){
console.log('==')
}
}
function uncheck() {
//不选中
document.getElementById("radio1").checked = false
//不被选中时,可以执行的方法
if(document.getElementById("radio1").checked == false){
console.log('++')
}
}