WHY CAN'T THIS CODE WORK

Question

function myAlert(){
p = prompt("WRITE SOMETHING");
if(p === "") {
{
alert("ITS BLANK");
}
setInterval(myAlert, 3000);
}
else {
alert("OK COOL");
}
}

Answer 1

There should be no piece of code between the if and else statement
if(condition){
statement
}else{
statement
}