I'm new with Javascript so it's a little difficult to me to explain this properly.
I have this recursive function:
function askQuestion(question){
let answer = prompt(question);
if(answer === ""){
alert("The answer is empty...");
askQuestion(question);
}
return answer;
}
So, the problem: if the user response was empty and the function is called again, when the user indicates a non empty response the value of "answer" remains empty. I notice that the call stack of chrome is calling again the function even when the answer is empty. I can't understand why this is happening, but I suspect the problem is there. I tried to "reset" the value of answer to null, but then the value of answer stays as null.
📷 screenshot of the chrome inspect
Also, I'm not totally sure that this kind of functions are called recursive function... 😅
You can use a while loop instead, checking while the answer is empty to call the prompt(question)
while(answer === ""){
answer = prompt(question);
}
return answer;
you should return the function result
const askQuestion = question => {
let answer = prompt(question);
if(answer === '') {
alert("The answer is empty...");
return askQuestion(question);
}
return answer;
}