JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="textareaID"></textarea>

JavaScript

$('#textareaID').bind('input propertychange', function() {
  if (this.value.length > 1000) {
    alert("stop");
    $("#textareaID").val($("#textareaID").val().substring(0,1000));
  }
});