How to check a radio button with jQuery?

Question

I try to check a radio button with jQuery. Here\'s my code:

    

        

        
                      

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Answer 1

Just in case anyone is trying to achieve this while using jQuery UI, you will also need to refresh the UI checkbox object to reflect the updated value:

$("#option2").prop("checked", true); // Check id option2
$("input[name='radio_options']").button("refresh"); // Refresh button set

Answer 2

We should want to tell it is a radio button.So please try with following code.

$("input[type='radio'][name='userRadionButtonName']").prop('checked', true);

Answer 3

Try this with example

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="myForm">
<input type="radio" name="radio" value="first"/> 1 <br/>
<input type="radio" name="radio" value="second"/> 2 <br/>
</form>


<script>
$(document).ready(function () {
    $('#myForm').on('click', function () {
        var value = $("[name=radio]:checked").val();

        alert(value);
    })
});
</script>

Answer 4

Try this

var isChecked = $("#radio_1")[0].checked;

Answer 5

One more function prop() that is added in jQuery 1.6, that serves the same purpose.

$("#radio_1").prop("checked", true); 

Answer 6

Try This:

$("input[name=type]").val(['1']);

http://jsfiddle.net/nwo706xw/