JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="textareaid" maxlength="30" rows="3" columns="5"></textarea>

CSS

textarea {
   resize: none;
}

JavaScript

$(document).ready(function(){

   		$('#textareaid').keydown(function(e) {
    
        var linhasAtuais = $(this).val().split("\n").length;
        
        if(e.keyCode == 13 && linhasAtuais >= 3) {
            return false;
        }       
    	});
    });