JSFiddle - React, Tailwind, and code Playground

HTML

<form id="inquiryform" method="" />
    <h2>INQUIRY FORM</h2>
    <div class="margin5">
        <div class="floatleft width100"><span class="borderbottom">Party Name</span> </div>
        <div class="floatleft"><input type="text" name="PartyName" size="60"/></div>
        <div class="clear"></div>
    </div>
</form>
<div> <input type="button" id="submitform" value="Send Mail"/></div>

JavaScript

$('#submitform').click(function(){
    $('#inquiryform :text').attr('value',function(){
        return $(this).val();
    });
    var data = 'message='+$('#inquiryform').html();
    alert(data);
});