JSFiddle - React, Tailwind, and code Playground

HTML

<form name="test">
    <input type="textinput" name="first" value="test1" class="form2" /> <br/>
    <select name="second" class="form1">
        <option value="1">opt 1</option>
        <option selected="selected" value="2">opt 2</option>
    </select>
    <input type="textinput" name="third" value="test1" class="form2" /> <br/>
</form>

JavaScript

(function() {
    
    var options = $('form[name=test]').find('input, textarea, select').filter('.form2').serialize(); // get second form elements

    alert(options);
    
}())