這樣:
<!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("選中了");?
}?
});?
});?
</script>?
</head>?
<body>?
<input type="radio"/>?
</body>?
</html>
擴展資料:
註意事項
<form><input type="radio" id="radio1" />
<input type="button" οnclick="check()" value="選中" />
<input type="button" οnclick="uncheck()" value="取消" />
</form>function check() {
//被選中 document.getElementById("radio1").checked = true //被選中時,可以執行的方法 if(document.getElementById("radio1").checked == true){console.log('==')
}}
function uncheck() {
//不選中 document.getElementById("radio1").checked = false //不被選中時,可以執行的方法 if(document.getElementById("radio1").checked == false){console.log('++')
}?}