jquery gets radio value (radio group radio)_javascript skills

Radio selection group radio: $("input[@type=radio][@checked]").val();

Radio group radio: $("input[@type=radio]").attr("checked",'2');//Set the item with value=2 as the currently selected item

Get the value of a set of radio selected items

var item = $('input[@name=items][@checked]').val();

The second element of the radio radio selection group is the currently selected value

$('input[@name=items]').get(1).checked = true

Radio group radio: $("input[@type=radio]").attr("checked",'2');//Set the item with value=2 as the currently selected item

Old version of jquery

var_name = $("input[@name='radio_name']:checked").val();

jquery 1.3 and later versions

var_name = $("input[name='radio_name']:checked").val();

Look at a jquery example of getting radio value

function getra(){

var_name = $("input[name='isspecialcnt']:checked").val();
//alert(var_name);
if(var_name=='1'){
$("#isspecialcntyes").show();
$("#isspecialcntno").hide();
}
if(var_name=='0'){
$("#isspecialcntyes").hide();
(www.jb51.net) $("#isspecialcntno").show();
}
}

<form name="form1" method="post" action="">
<p>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_0">
单选</label>
<br>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_1">
单选</label>
<br>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_2">
单选</label>
<br>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_3">
单选</label>
<br>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_4">
单选</label>
<br>
<label>
<input type="radio" name="radiogroup1" value="单选" id="radiogroup1_5">
单选</label>
<br>
</p>
</form>