JSFiddle - React, Tailwind, and code Playground

HTML

<textarea rows="8" id="txt1" style="width:400px;" >
    Hello 
    Hello 
    Hello 
    Hello</textarea>

JavaScript

$(function() {
    
      var input = $("#txt1");
    var len = input.val().length;
    input[0].focus();
    input[0].setSelectionRange(len, len);
    });