<meta charset="UTF-8">
<input/>
<button>Verificar si Acertó el Secreto</button>
<script>
// Variables ------------------------------------------------------
var secret = Math.round(Math.random() * 10);
var input = document.querySelector("input");
var button = document.querySelector("button");
// Funtions -------------------------------------------------------
function verify() {
if (parseInt(input.value) == secret) {
alert("Usted Acertó");
} else {
alert("Usted Erro");
}
input.value = "";
input.focus();
}
// Code in Action -------------------------------------------------
button.onclick = verify;
</script>
