JSFiddle - React, Tailwind, and code Playground

HTML

<div style="position: relative;" id="a192.168.255.240:23" class="console ui-draggable"><textarea cols="80" rows="24" class="connData" readonly=""></textarea><br><input class="connBar" value="" type="text"></div>

JavaScript

var selector = $("#a192\\.168\\.255\\.240\\:23  textarea.connData");
selector.val('TRETSDFSDFSDJFOISJDFasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasdfasd asdfa sfas dfasdfsadfsafsadfOISJDFOIJSDFOIJSDFO'); 
var carat = selector.val().length-1; 
selector.focus(); 
debugger;
selector[0].setSelectionRange(0,carat);