JSFiddle - React, Tailwind, and code Playground

by Fernando Leal

HTML

<input type="text" id="senha_cadastro" />
<input type="text" id="confirmarsenha_cadastro" />

JavaScript

function verificarIgual()
{    
    if(senha.value != confirmar.value)
    {
        senha.style.backgroundColor = "#FF0000";
        confirmar.style.backgroundColor = "#FF0000";           
    }else{
        senha.style.backgroundColor = "#FFFFFF";
        confirmar.style.backgroundColor = "#FFFFFF";
    }
}

var senha = document.getElementById('senha_cadastro');
var confirmar = document.getElementById('confirmarsenha_cadastro');
senha.onkeyup = verificarIgual;
confirmar.onkeyup = verificarIgual;