JSFiddle - React, Tailwind, and code Playground

by Jackson Antunes

HTML

<input id="email-test" type="text"></input>
<input id="password-test" type="text"></input>
<input id="submit-test" type="submit" class="btn btn-primary btn-lg positionFormRegister" value="Cadastrar" onclick="Adicionar()"/>

JavaScript

$("#submit-test").prop('disabled', true);
	$(document).keyup(function() {
		if($("#email-test").val().length > 0 && $("#password-test").val().length > 0) {
			$(document).ready(function() {
				$('#submit-test').prop('disabled', false);
			});
		}
	});