JSFiddle - React, Tailwind, and code Playground

by holden321

HTML

<body>
    <form>
        <p><strong>СТРАНИЦА</strong>
        </p>
        <input type='radio' name='page' value='1' id='page1' />
        <label for='page1'>СТРАНИЦА1</label>
        <br />
        <input type='radio' name='page' value='2' id='page2' />
        <label for='page2'>СТРАНИЦА2</label>
        <br />
        <input type='radio' name='page' value='3' id='page3' checked />
        <label for='page3'>СТРАНИЦА3</label>
        <br />
        <p>
            <label for='pagename'>Имя страницы<span class='alert'>*</span>
            </label>
            <br />
            <input name='pagename' type='text' id='pagename' size='100' value='VALUE1' />
        </p>
    </form>
</body>

JavaScript

$(':radio[name=page]').change(function () {
    $("#pagename").val($("label[for="+this.id+"]").text());
});