JSFiddle - React, Tailwind, and code Playground
by Smartik
HTML
<input id="text_tag_input" type="text" name="tags" />
<div class="tags_select">
<a href="#" onClick="addTextTag('text1, '); return false">text1</a>
<a href="#" onClick="addTextTag('text2, '); return false">text2</a>
<a href="#" onClick="addTextTag('text3, '); return false">text3</a>
</div>
JavaScript
function addTextTag(text){
document.getElementById('text_tag_input').value += text;
}