as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
generate a valid javascript code to check if a given input is a positive number
user
function ispositive(num) {
    if (typeof num == 'number' && num > 0) {
        return true;
    } else {
        return false;
    }
}
assistant