jquery解决input[type=radio]点击选中取消

<input type="radio" name="hobby"> 篮球
<input type="radio" name="hobby"> 足球
<input type="radio" name="hobby"> 网球

$(document).on(‘click‘,‘input[name="hobby"]‘,function() {
                    
        var name = $(this).attr("name");
        $(":radio[name="+ name +"]:not(:checked)").attr("tag",0);
        if( $(this).attr("tag") == 1 ) {
              $(this).attr("checked",false);
              $(this).attr("tag",0);    
        }else {
              $(this).attr("tag",1);
        }

});