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# If my quiz has a mix of integers and strings as answers, how do I go about passing these both through as valid?

Currently, I can only seem to make the quiz work using only all integers as answers, or all strings as answers.. not a mix of the two. If I understand correctly, the parseInt() function converts a string answer to an integer. I have tested this out and set my answers to strings, but no luck. What am I doing wrong?

See my code below:

```var questions = [
['What is 5 + 5?', '10'],
['What is 20 + 10?', '30'],
['What is 10 / 2?', '5']
];

var score = 0;
var question;
var answer;
var response;
var correctQuestions = [];
var incorrectQuestions = [];

for ( var i = 0; i < questions.length; i++ ) {
question = questions[i][0];
answer = questions[i][1];
response = parseInt(prompt( question ));
if ( response === answer ) {
score ++;
correctQuestions.push( question );
} else {
incorrectQuestions.push( question );
}
}

document.write( score, correctQuestions );
```

Ultimately - I would like to know how I would have a mix of both integers and strings as my answers. So something like this:

```var questions = [
['What is 5 + 5?',  'ten'],
['What is 20 + 10?',  30],
['What is my name?', 'mike']
];
```

## 1 Answer

Hey Mike,

You can check if something is a number or not by using JavaScriptâ€™s isNaN() function.

You could use this in an if/else statement to handle the user's input appropriately.

As for your example, spelling out "ten" and translating that as an answer for "10" or the integer 10 is a much more complicated and somewhat uncommon solution. Assuming that's what you meant.

Let me know if you have more questions. :)