JSFiddle - React, Tailwind, and code Playground

HTML

<a href="javascript:void()" onclick="disp_qa()">Add another question</a><br/><br />

<input type="text" id="form_d" class="textbox" />
<input type="text" id="form_da" class="textbox" />

CSS

.textbox {display:none;}

JavaScript

function disp_qa()
{
    document.getElementById("form_d").style.display="block";
    document.getElementById("form_da").style.display = "block";
}