In JavaScript, how can I get all radio buttons in the page with a given name?

Question

Like the title says, what\'s the best way in JavaScript to get all radio buttons on a page with a given name? Ultimately I will use this to determine which specific radio b

Answer 1

<form name="myForm" id="myForm" action="">  
<input type="radio" name="radioButton" value="c1">Choice 1
<input type="radio" name="radioButton" value="c2">Choice 2
</form>
<script>
var formElements = window.document.getElementById("myForm").elements;
var formElement;
var radioArray = [];

for (var i = 0, j = 0; i < formElements.length; i++) {
    formElement = formElements.item(i);
    if (formElement.type === "radio" && formElement.name === "radioButton") {
        radioArray[j] = formElement;
        ++j;
    }
}
alert(radioArray[0].value);
alert(radioArray[1].value);
</script>

Answer 2

getElementsByName didn't work for me. I did this:

    var radios = document.getElementsByTagName('input');
    for (i = 0; i < radios.length; i++) {
        if (radios[i].type == 'radio' && radios[i].checked) {
            nbchecked++;
        }
    }