JSFiddle - React, Tailwind, and code Playground

by charlescarver

HTML

<div class="main">
    <textarea rows="20" cols="80" name="output_box" id="output"></textarea>
</div>
<div class="classname" type="button" onClick="myFunction()">Export</div>

JavaScript

window.myFunction = function(){

var obj = document.getElementById("output");
    var txt = "Test data";
    obj.value = txt;
    
}