JSFiddle - React, Tailwind, and code Playground
HTML
<textarea id="PXInput"></textarea>
<br/>
<button id="submitLine" type="button" onclick="submit();">Submit</button>
<div id="output">
<span id="currentOut"></span>
</div>
JavaScript
var out = document.getElementById("currentOut");
var oldout = document.getElementById("output");
var input = document.getElementById("PXInput");
var cc = "";
function submit(){
alert();
cc = input.value;
input.value = "";
alert(cc);
}