JSFiddle - React, Tailwind, and code Playground

by Olga Rosado

HTML

<textarea id="editor" cols="20" rows="10"></textarea>

JavaScript

var lineCount = 0;
        $('#editor').keydown(function (e) {
            if (e.keyCode == 13) {
                lineCount++;
            }
            if (e.keyCode == 8) {
                //needs to remove characters, educt linecount when it gets to first line and reinstate typing
                return true;
            }
            if (lineCount >= 2) {
                e.preventDefault();
                updatePreviewText();
                return false;
            }
        });