JSFiddle - React, Tailwind, and code Playground

HTML

<form action="/Card/SetMerchant" class="inline" data-ajax="true" data-ajax-complete="completeAjax" id="setmerchantform" method="post"><input id="merchantid" name="merchantid" type="hidden" value="" />
    <label for="merchantname">Merchant Name:</label>
    <input class="text" id="merchantname" name="merchantname" type="text" value="" />
    <input type="submit" value="Submit" /> 
    <a id="editmerchantname" class="editbutton small ui-corner-all">Edit</a>
</form>

JavaScript

$(':input:not(:button)').val("");