JSFiddle - React, Tailwind, and code Playground

HTML

<textarea rows="5"></textarea>
<br>
<button>Show Number of Characters</button>

JavaScript

$.valHooks.textarea = {
    get: function(e) {
        return e.value.replace(/\r?\n/g, "\r\n");
    }
};

$('button').click(function() {
    alert($('textarea').val().length);
});