<header>Check result</header>
<body>
<script>
function checkResult(original, validator) {
function wrapper(...params) {
let result = null;
while (validator(result = original(...params)) != true);
return result;
}
return wrapper;
}
const alwaysSayYes = checkResult(confirm, x => x);
alwaysSayYes();
</script>
</body>