radio类型的input标签选中后隐藏其他元素

Question

radio单选中电子邮箱把下方写着电子邮箱的div隐藏，而单选中手机把下方写着手机的div隐藏，代码如下，如何写js

<div class="rs-validation">
    <label for="">验证方式</label>
    <form>
        <div class="formemail">
            <input type="radio" checked="checked" name="validation" value="1">
            <span>电子邮箱</span>
        </div>
        <div class="formmobile">
            <input type="radio" name="validation" value="2">
            <span>手机</span>
        </div>
    </form></div><div class="email-wrap">
    电子邮箱</div><div class="moblie-wrap" style="display:none">
    手机号</div>