ladybird/Tests/LibWeb/Text/input/radio-node-list.html

<form>
  <input value="value1" id="non-checked-with-value" type="radio"/>
  <input value="value2" id="non-checked-with-value" type="radio"/>
  <input value="value3" id="checked-with-value" type="radio" checked/>
  <input value="value4" id="checked-with-value" type="radio" checked/>
  <input value="on" id="non-checked-value-on" type="radio"/>
  <input value="on" id="non-checked-value-on" type="radio"/>
  <input value="value1" id="no-radio-button" type="input" checked/>
  <input value="value2" id="no-radio-button" type="input" checked/>
  <input id="checked-no-value" type="radio" checked/>
  <input id="checked-no-value" type="radio" checked/>
  <input id="non-checked-no-value" type="radio"/>
  <input id="non-checked-no-value" type="radio"/>
</form>
<script src="include.js"></script>
<script>
    test(() => {
        const formElements = document.forms[0].elements;

        function dumpAttributes(name) {
            println("===================");
            println(name);
            println("===================");
            const list = formElements.namedItem(name);
            println(list.length);
            println(list[0].value);
            println(list[1].value);
            println(`value = '${list.value}'`);
            list.value = "on";
            println(`value = '${list.value}'`);
        }

        function setValue(name, value) {
            println("===================");
            println(name);
            println("===================");
            const list = formElements.namedItem(name);
            println(`value = ${list.value}`);
            list.value = value;
            println(`value = ${list.value}`);
        }

        dumpAttributes("non-checked-with-value");
        dumpAttributes("checked-with-value");
        dumpAttributes("checked-no-value");
        dumpAttributes("no-radio-button");

        setValue("non-checked-with-value", "value1")
        setValue("non-checked-no-value", "on")
        setValue("non-checked-value-on", "on")
    })
</script>