两个单选按钮，怎么一个单选按钮在选的时候操控另一个按钮让他默认选中

例如单选按钮1 在选择①或②时 ， 单选按钮2默认选中④；在选择③时 ，单选按钮2默认选中⑤

img

就是一个 change事件 获取 radio 然后复制value

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="one">
        <input type="radio" name="one" value="1" />1
        <input type="radio" name="one" value="2" />2
        <input type="radio" name="one" value="3" />3
    </div>
    <br>
    </div>
    <input type="radio" name="two" value="4" id="two4" />4
    <input type="radio" name="two" value="5" id="two5" />5
    </div>
</body>
<script>
    let one = document.getElementById("one");
    let two4 = document.getElementById("two4");
    let two5 = document.getElementById("two5");
    one.onchange = function (ev) {
        var ev = ev || window.event;
        var inpRadio = ev.srcElement || ev.target;
        var val = inpRadio.value;
        if (val == 1 || val == 2) {
            two4.checked = true;
        } else {
            two5.checked = true;
        }

    }

</script>

</html>