JSFiddle - React, Tailwind, and code Playground

HTML

<a href="" onclick="disp_qa(event)">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(event)
{
    event.preventDefault();
    document.getElementById("form_d").style.display="block";
    document.getElementById("form_da").style.display = "block";
}