JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://malsup.github.io/jquery.form.js"></script>
    <div id="post_output_1" class="output">
        <form id="form_1" action="/echo/html/" method="post">
        <input id="age" type="text" name="age" />
        <input id="submit" type="submit" name="submit1" value="submit 1"/>
    </form>
    </div>
    
    <div id="post_output_2"class="output">
        <form id="form_2" action="/echo/html/" method="post">
        <input id="age" type="text" name="age" />
        <input id="submit" type="submit" name="submit2" value="submit 2"/>
    </form>
    </div>

JavaScript

$(".output").each(function (index, value) {
    var that = this;
    $(that).ajaxForm(function (data) {
        console.log(this);
        $(that).html(data);
    });
});